Golang XML worker queue example

.gitignore

xmlp

README.md

Parallel XML processing

When working with large XML files, only a streaming approach is feasible, which also helps to work on the data in parallel, since only one record needs to be cosidered at a time.

First version of wikikit parsed the XML element in the main routine and the fan out the parsed struct to the workers. Thanks to pprof, it got clear, why this did not yield major speed improvements - most time was spent in converting a XML token into a struct.

Single routine, tokenization only

Needs about 6.268s to decode and parse 10000 XML elements.

Skipping struct parsing:

decoder := xml.NewDecoder(handle)
var inElement string

for {
	t, _ := decoder.Token()
	if t == nil {
		break
	}
	switch se := t.(type) {
	case xml.StartElement:
		inElement = se.Name.Local
		if inElement == "page" {
			// ...
		}
	default:
	}
}

gets the speed down to 0.433s. Just tokenizing through a 34G XML file with a single routine takes 39m21.517s saturating a single core.

Time distribution looks like this: https://cdn.mediacru.sh/DYyiKLBA7U2i.svg

Single routine, struct loading

decoder := xml.NewDecoder(handle)
var inElement string
var p Page

for {
	// Read tokens from the XML document in a stream.
	t, _ := decoder.Token()
	if t == nil {
		break
	}
	// Inspect the type of the token just read.
	switch se := t.(type) {
	case xml.StartElement:
		// If we just read a StartElement token
		inElement = se.Name.Local
		// ...and its name is "page"
		if inElement == "page" {
			// decode a whole chunk of following XML into the
			// variable p which is a Page (se above)
			decoder.DecodeElement(&p, &se)
		}
	default:
	}
}

Observation

Most time is spent actually getting the token out. DecodeElement is not unsignificant. Grepping for </page> in 34G takes finds 15671705 occurences and takes about 16m35.992s.

Distributing decoder.Token() among workers seems not that easy. Workaround could be to

• split the file into N pieces, while preserving the XML structure,
• write the N pieces to N files,
• convert each file in a separate routine,
• concatenate the result into a single file.

inspect.sh

#!/usr/bin/env bash
go tool pprof --web xmlp $1

Makefile

all:
	go fmt xmlp.go
	go build xmlp.go

clean:
	rm -f xmlp

v0.svg

v1.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
 "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Generated by graphviz version 2.26.3 (20100126.1600)
 -->
<!-- Title: xmlp; 204754 samples Pages: 1 -->
<svg width="100%" height="100%"
  xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<script type="text/ecmascript"><![CDATA[
// SVGPan
// http://www.cyberz.org/blog/2009/12/08/svgpan-a-javascript-svg-panzoomdrag-library/
// Local modification: if(true || ...) below to force panning, never moving.
// Local modification: add clamping to fix bug in handleMouseWheel.

/**
 *  SVGPan library 1.2
 * ====================
 *
 * Given an unique existing element with id "viewport", including the
 * the library into any SVG adds the following capabilities:
 *
 *  - Mouse panning
 *  - Mouse zooming (using the wheel)
 *  - Object dargging
 *
 * Known issues:
 *
 *  - Zooming (while panning) on Safari has still some issues
 *
 * Releases:
 *
 * 1.2, Sat Mar 20 08:42:50 GMT 2010, Zeng Xiaohui
 *	Fixed a bug with browser mouse handler interaction
 *
 * 1.1, Wed Feb  3 17:39:33 GMT 2010, Zeng Xiaohui
 *	Updated the zoom code to support the mouse wheel on Safari/Chrome
 *
 * 1.0, Andrea Leofreddi
 *	First release
 *
 * This code is licensed under the following BSD license:
 *
 * Copyright 2009-2010 Andrea Leofreddi <[email protected]>. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY Andrea Leofreddi ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Andrea Leofreddi OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of Andrea Leofreddi.
 */

var root = document.documentElement;

var state = 'none', stateTarget, stateOrigin, stateTf;

setupHandlers(root);

/**
 * Register handlers
 */
function setupHandlers(root){
	setAttributes(root, {
		"onmouseup" : "add(evt)",
		"onmousedown" : "handleMouseDown(evt)",
		"onmousemove" : "handleMouseMove(evt)",
		"onmouseup" : "handleMouseUp(evt)",
		//"onmouseout" : "handleMouseUp(evt)", // Decomment this to stop the pan functionality when dragging out of the SVG element
	});

	if(navigator.userAgent.toLowerCase().indexOf('webkit') >= 0)
		window.addEventListener('mousewheel', handleMouseWheel, false); // Chrome/Safari
	else
		window.addEventListener('DOMMouseScroll', handleMouseWheel, false); // Others

	var g = svgDoc.getElementById("svg");
	g.width = "100%";
	g.height = "100%";
}

/**
 * Instance an SVGPoint object with given event coordinates.
 */
function getEventPoint(evt) {
	var p = root.createSVGPoint();

	p.x = evt.clientX;
	p.y = evt.clientY;

	return p;
}

/**
 * Sets the current transform matrix of an element.
 */
function setCTM(element, matrix) {
	var s = "matrix(" + matrix.a + "," + matrix.b + "," + matrix.c + "," + matrix.d + "," + matrix.e + "," + matrix.f + ")";

	element.setAttribute("transform", s);
}

/**
 * Dumps a matrix to a string (useful for debug).
 */
function dumpMatrix(matrix) {
	var s = "[ " + matrix.a + ", " + matrix.c + ", " + matrix.e + "\n  " + matrix.b + ", " + matrix.d + ", " + matrix.f + "\n  0, 0, 1 ]";

	return s;
}

/**
 * Sets attributes of an element.
 */
function setAttributes(element, attributes){
	for (i in attributes)
		element.setAttributeNS(null, i, attributes[i]);
}

/**
 * Handle mouse move event.
 */
function handleMouseWheel(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var delta;

	if(evt.wheelDelta)
		delta = evt.wheelDelta / 3600; // Chrome/Safari
	else
		delta = evt.detail / -90; // Mozilla

	var z = 1 + delta; // Zoom factor: 0.9/1.1

	// Clamp to reasonable values.
	// The 0.1 check is important because
	// a very large scroll can turn into a
	// negative z, which rotates the image 180 degrees.
	if(z < 0.1)
		z = 0.1;
	if(z > 10.0)
		z = 10.0;

	var g = svgDoc.getElementById("viewport");

	var p = getEventPoint(evt);

	p = p.matrixTransform(g.getCTM().inverse());

	// Compute new scale matrix in current mouse position
	var k = root.createSVGMatrix().translate(p.x, p.y).scale(z).translate(-p.x, -p.y);

        setCTM(g, g.getCTM().multiply(k));

	stateTf = stateTf.multiply(k.inverse());
}

/**
 * Handle mouse move event.
 */
function handleMouseMove(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var g = svgDoc.getElementById("viewport");

	if(state == 'pan') {
		// Pan mode
		var p = getEventPoint(evt).matrixTransform(stateTf);

		setCTM(g, stateTf.inverse().translate(p.x - stateOrigin.x, p.y - stateOrigin.y));
	} else if(state == 'move') {
		// Move mode
		var p = getEventPoint(evt).matrixTransform(g.getCTM().inverse());

		setCTM(stateTarget, root.createSVGMatrix().translate(p.x - stateOrigin.x, p.y - stateOrigin.y).multiply(g.getCTM().inverse()).multiply(stateTarget.getCTM()));

		stateOrigin = p;
	}
}

/**
 * Handle click event.
 */
function handleMouseDown(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var g = svgDoc.getElementById("viewport");

	if(true || evt.target.tagName == "svg") {
		// Pan mode
		state = 'pan';

		stateTf = g.getCTM().inverse();

		stateOrigin = getEventPoint(evt).matrixTransform(stateTf);
	} else {
		// Move mode
		state = 'move';

		stateTarget = evt.target;

		stateTf = g.getCTM().inverse();

		stateOrigin = getEventPoint(evt).matrixTransform(stateTf);
	}
}

/**
 * Handle mouse button release event.
 */
function handleMouseUp(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	if(state == 'pan' || state == 'move') {
		// Quit pan mode
		state = '';
	}
}

]]></script>
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<polygon fill="none" stroke="black" points="1224,-1731.5 972,-1731.5 972,-1672.5 1224,-1672.5 1224,-1731.5"/>
<text text-anchor="middle" x="1098" y="-1715.26" font-family="Times Roman,serif" font-size="13.60">encoding/xml.(*Decoder).rawToken</text>
<text text-anchor="end" x="1216" y="-1698.26" font-family="Times Roman,serif" font-size="13.60">2563 (1.3%)</text>
<text text-anchor="end" x="1216" y="-1681.26" font-family="Times Roman,serif" font-size="13.60">of 178650 (87.3%)</text>
</g>
<!-- N6&#45;&gt;N8 -->
<g id="edge22" class="edge"><title>N6&#45;&gt;N8</title>
<path fill="none" stroke="black" stroke-width="2" d="M1098,-1789.46C1098,-1775.68 1098,-1757.91 1098,-1741.99"/>
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<text text-anchor="middle" x="1125.5" y="-1755.4" font-family="Times Roman,serif" font-size="14.00">178650</text>
</g>
<!-- N30 -->
<g id="node31" class="node"><title>N30</title>
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<text text-anchor="middle" x="434" y="-1604.01" font-family="Times Roman,serif" font-size="11.10">runtime.convI2E</text>
<text text-anchor="end" x="478.5" y="-1590.01" font-family="Times Roman,serif" font-size="11.10">784 (0.4%)</text>
<text text-anchor="end" x="478.5" y="-1576.01" font-family="Times Roman,serif" font-size="11.10">of 7154 (3.5%)</text>
</g>
<!-- N6&#45;&gt;N30 -->
<g id="edge144" class="edge"><title>N6&#45;&gt;N30</title>
<path fill="none" stroke="black" d="M1005.94,-1789.48C854.493,-1750.5 565.093,-1674.77 521,-1654 504.12,-1646.05 486.997,-1634.86 472.458,-1624.23"/>
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<text text-anchor="middle" x="804.5" y="-1698.4" font-family="Times Roman,serif" font-size="14.00">1147</text>
</g>
<!-- N7&#45;&gt;N6 -->
<g id="edge60" class="edge"><title>N7&#45;&gt;N6</title>
<path fill="none" stroke="black" stroke-width="1.23971" d="M869.096,-1893.88C915.052,-1877.64 974.821,-1856.52 1021.76,-1839.94"/>
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<text text-anchor="middle" x="988" y="-1863.4" font-family="Times Roman,serif" font-size="14.00">42306</text>
</g>
<!-- N7&#45;&gt;N7 -->
<g id="edge150" class="edge"><title>N7&#45;&gt;N7</title>
<path fill="none" stroke="black" d="M872.36,-1927.75C882.916,-1926.33 890,-1923.42 890,-1919 890,-1916.17 887.093,-1913.96 882.228,-1912.36"/>
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<text text-anchor="middle" x="913" y="-1915.4" font-family="Times Roman,serif" font-size="14.00">28907</text>
</g>
<!-- N7&#45;&gt;N9 -->
<g id="edge158" class="edge"><title>N7&#45;&gt;N9</title>
<path fill="none" stroke="black" stroke-width="2" d="M723.857,-1898.45C710.665,-1892.61 697.73,-1885.23 687,-1876 677.079,-1867.46 669.281,-1855.48 663.516,-1844.25"/>
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</g>
<!-- N7&#45;&gt;N29 -->
<g id="edge38" class="edge"><title>N7&#45;&gt;N29</title>
<path fill="none" stroke="black" d="M789.996,-1893.86C778.329,-1858.95 755.972,-1798.64 737,-1786 689.355,-1754.25 278.609,-1776.59 222,-1768 161.879,-1758.88 135.222,-1772.65 90,-1732 59.1267,-1704.25 56,-1686.51 56,-1645 56,-1645 56,-1645 56,-655 56,-600.564 114.751,-570.503 165.308,-554.712"/>
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<text text-anchor="middle" x="70" y="-1231.4" font-family="Times Roman,serif" font-size="14.00">760</text>
</g>
<!-- N7&#45;&gt;N35 -->
<g id="edge42" class="edge"><title>N7&#45;&gt;N35</title>
<path fill="none" stroke="black" d="M818.144,-1893.88C829.162,-1880.14 842.983,-1862.9 855.032,-1847.88"/>
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<text text-anchor="middle" x="863.5" y="-1863.4" font-family="Times Roman,serif" font-size="14.00">4127</text>
</g>
<!-- N10 -->
<g id="node11" class="node"><title>N10</title>
<polygon fill="none" stroke="black" points="1459,-1513.5 987,-1513.5 987,-1394.5 1459,-1394.5 1459,-1513.5"/>
<text text-anchor="middle" x="1223" y="-1482.14" font-family="Times Roman,serif" font-size="30.40">encoding/xml.(*Decoder).text</text>
<text text-anchor="end" x="1451.5" y="-1445.14" font-family="Times Roman,serif" font-size="30.40">41263 (20.2%)</text>
<text text-anchor="end" x="1451.5" y="-1408.14" font-family="Times Roman,serif" font-size="30.40">of 76192 (37.2%)</text>
</g>
<!-- N8&#45;&gt;N10 -->
<g id="edge80" class="edge"><title>N8&#45;&gt;N10</title>
<path fill="none" stroke="black" stroke-width="1.79516" d="M1145.22,-1672.35C1163.94,-1658.18 1183.85,-1639.58 1196,-1618 1211.96,-1589.65 1219.1,-1554.46 1222.09,-1523.95"/>
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<text text-anchor="middle" x="1237" y="-1589.4" font-family="Times Roman,serif" font-size="14.00">61261</text>
</g>
<!-- N11 -->
<g id="node12" class="node"><title>N11</title>
<polygon fill="none" stroke="black" points="782,-1332 522,-1332 522,-1270 782,-1270 782,-1332"/>
<text text-anchor="middle" x="652" y="-1315.04" font-family="Times Roman,serif" font-size="14.40">encoding/xml.(*Decoder).readName</text>
<text text-anchor="end" x="774.5" y="-1297.04" font-family="Times Roman,serif" font-size="14.40">3399 (1.7%)</text>
<text text-anchor="end" x="774.5" y="-1279.04" font-family="Times Roman,serif" font-size="14.40">of 43033 (21.0%)</text>
</g>
<!-- N8&#45;&gt;N11 -->
<g id="edge54" class="edge"><title>N8&#45;&gt;N11</title>
<path fill="none" stroke="black" stroke-width="1.25486" d="M1062.85,-1672.32C1044.08,-1656.36 1020.65,-1636.25 1000,-1618 887.894,-1518.94 758.173,-1399.46 693.353,-1339.41"/>
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<text text-anchor="middle" x="945" y="-1537.4" font-family="Times Roman,serif" font-size="14.00">42823</text>
</g>
<!-- N12 -->
<g id="node13" class="node"><title>N12</title>
<polygon fill="none" stroke="black" points="1675,-1208 1445,-1208 1445,-1146 1675,-1146 1675,-1208"/>
<text text-anchor="middle" x="1560" y="-1191.4" font-family="Times Roman,serif" font-size="14.00">encoding/xml.(*Decoder).name</text>
<text text-anchor="end" x="1667" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">2911 (1.4%)</text>
<text text-anchor="end" x="1667" y="-1155.4" font-family="Times Roman,serif" font-size="14.00">of 40984 (20.0%)</text>
</g>
<!-- N8&#45;&gt;N12 -->
<g id="edge36" class="edge"><title>N8&#45;&gt;N12</title>
<path fill="none" stroke="black" stroke-width="1.20062" d="M1224.03,-1691.43C1398.94,-1675.04 1694,-1640.37 1694,-1593 1694,-1593 1694,-1593 1694,-1301 1694,-1263.63 1665.57,-1234.37 1634.9,-1213.69"/>
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<text text-anchor="middle" x="1717" y="-1450.4" font-family="Times Roman,serif" font-size="14.00">40972</text>
</g>
<!-- N15 -->
<g id="node16" class="node"><title>N15</title>
<polygon fill="none" stroke="black" points="1187,-1616.5 1009,-1616.5 1009,-1569.5 1187,-1569.5 1187,-1616.5"/>
<text text-anchor="middle" x="1098" y="-1603.41" font-family="Times Roman,serif" font-size="10.10">encoding/xml.(*Decoder).nsname</text>
<text text-anchor="end" x="1179.5" y="-1590.41" font-family="Times Roman,serif" font-size="10.10">347 (0.2%)</text>
<text text-anchor="end" x="1179.5" y="-1577.41" font-family="Times Roman,serif" font-size="10.10">of 23246 (11.4%)</text>
</g>
<!-- N8&#45;&gt;N15 -->
<g id="edge140" class="edge"><title>N8&#45;&gt;N15</title>
<path fill="none" stroke="black" d="M1098,-1672.22C1098,-1658.11 1098,-1641.21 1098,-1626.65"/>
<polygon fill="black" stroke="black" points="1101.5,-1626.53 1098,-1616.53 1094.5,-1626.53 1101.5,-1626.53"/>
<text text-anchor="middle" x="1121" y="-1641.4" font-family="Times Roman,serif" font-size="14.00">23246</text>
</g>
<!-- N8&#45;&gt;N30 -->
<g id="edge62" class="edge"><title>N8&#45;&gt;N30</title>
<path fill="none" stroke="black" d="M971.799,-1698.04C833.758,-1692.47 622.014,-1679.95 546,-1654 532,-1649.22 530.822,-1643.38 518,-1636 510.366,-1631.61 502.233,-1627.16 494.148,-1622.88"/>
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<text text-anchor="middle" x="564.5" y="-1641.4" font-family="Times Roman,serif" font-size="14.00">4950</text>
</g>
<!-- N45 -->
<g id="node46" class="node"><title>N45</title>
<polygon fill="none" stroke="black" points="624,-1618 528,-1618 528,-1568 624,-1568 624,-1618"/>
<text text-anchor="middle" x="576" y="-1604.46" font-family="Times Roman,serif" font-size="10.60">stackcacherefill</text>
<text text-anchor="end" x="616.5" y="-1590.46" font-family="Times Roman,serif" font-size="10.60">564 (0.3%)</text>
<text text-anchor="end" x="616.5" y="-1576.46" font-family="Times Roman,serif" font-size="10.60">of 2717 (1.3%)</text>
</g>
<!-- N8&#45;&gt;N45 -->
<g id="edge24" class="edge"><title>N8&#45;&gt;N45</title>
<path fill="none" stroke="black" d="M971.938,-1696.55C834.522,-1689.56 630.18,-1675.68 601,-1654 592.457,-1647.65 586.821,-1637.87 583.108,-1627.98"/>
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<text text-anchor="middle" x="619.5" y="-1641.4" font-family="Times Roman,serif" font-size="14.00">2717</text>
</g>
<!-- N9&#45;&gt;N5 -->
<g id="edge160" class="edge"><title>N9&#45;&gt;N5</title>
<path fill="none" stroke="black" stroke-width="2" d="M646.605,-1835.29C642.393,-1862.99 639.361,-1910.66 660,-1944 673.109,-1965.18 693.96,-1981.45 715.523,-1993.67"/>
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<text text-anchor="middle" x="687.5" y="-1915.4" font-family="Times Roman,serif" font-size="14.00">133401</text>
</g>
<!-- N10&#45;&gt;N10 -->
<g id="edge94" class="edge"><title>N10&#45;&gt;N10</title>
<path fill="none" stroke="black" stroke-width="1.0139" d="M1459.18,-1464.21C1470.41,-1461.65 1477,-1458.24 1477,-1454 1477,-1451.22 1474.16,-1448.79 1469.04,-1446.73"/>
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<text text-anchor="middle" x="1500" y="-1450.4" font-family="Times Roman,serif" font-size="14.00">34600</text>
</g>
<!-- N10&#45;&gt;N11 -->
<g id="edge12" class="edge"><title>N10&#45;&gt;N11</title>
<path fill="none" stroke="black" d="M1000.6,-1394.41C924.948,-1374.14 843.071,-1352.2 777.69,-1334.68"/>
<polygon fill="black" stroke="black" points="778.32,-1331.22 767.755,-1332.02 776.508,-1337.99 778.32,-1331.22"/>
<text text-anchor="middle" x="934" y="-1363.4" font-family="Times Roman,serif" font-size="14.00">210</text>
</g>
<!-- N14 -->
<g id="node15" class="node"><title>N14</title>
<polygon fill="none" stroke="black" points="1441,-964 1135,-964 1135,-872 1441,-872 1441,-964"/>
<text text-anchor="middle" x="1288" y="-939.03" font-family="Times Roman,serif" font-size="23.30">bytes.(*Buffer).ReadByte</text>
<text text-anchor="end" x="1433.5" y="-911.03" font-family="Times Roman,serif" font-size="23.30">19267 (9.4%)</text>
<text text-anchor="end" x="1433.5" y="-883.03" font-family="Times Roman,serif" font-size="23.30">of 34279 (16.7%)</text>
</g>
<!-- N10&#45;&gt;N14 -->
<g id="edge186" class="edge"><title>N10&#45;&gt;N14</title>
<path fill="none" stroke="black" d="M1459.19,-1406.32C1522.94,-1388.43 1579.7,-1366.02 1599,-1340 1717.41,-1180.36 1413.36,-1223.74 1399,-1208 1341.24,-1144.68 1400.67,-1096.38 1366,-1018 1358.93,-1002.01 1348.73,-986.317 1338.04,-972.276"/>
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<text text-anchor="middle" x="1417.5" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">2249</text>
</g>
<!-- N25 -->
<g id="node26" class="node"><title>N25</title>
<polygon fill="none" stroke="black" points="1802,-949 1610,-949 1610,-887 1802,-887 1802,-949"/>
<text text-anchor="middle" x="1706" y="-932.04" font-family="Times Roman,serif" font-size="14.40">unicode/utf8.EncodeRune</text>
<text text-anchor="end" x="1794" y="-914.04" font-family="Times Roman,serif" font-size="14.40">3369 (1.6%)</text>
<text text-anchor="end" x="1794" y="-896.04" font-family="Times Roman,serif" font-size="14.40">of 9834 (4.8%)</text>
</g>
<!-- N10&#45;&gt;N25 -->
<g id="edge174" class="edge"><title>N10&#45;&gt;N25</title>
<path fill="none" stroke="black" d="M1459.3,-1415.51C1555.22,-1399.13 1645.87,-1382.35 1655,-1376 1710.94,-1337.08 1715.03,-1309.73 1733,-1244 1748.7,-1186.55 1766.75,-1159.07 1733,-1110 1720.32,-1091.57 1698.68,-1110.43 1686,-1092 1667.36,-1064.9 1682.76,-1050.73 1686,-1018 1687.93,-998.468 1691.94,-977.1 1695.87,-959.148"/>
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<text text-anchor="middle" x="1770.5" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">5807</text>
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<!-- N26 -->
<g id="node27" class="node"><title>N26</title>
<polygon fill="none" stroke="black" points="1350,-1339.5 1096,-1339.5 1096,-1262.5 1350,-1262.5 1350,-1339.5"/>
<text text-anchor="middle" x="1223" y="-1318.49" font-family="Times Roman,serif" font-size="18.90">bufio.(*Reader).ReadSlice</text>
<text text-anchor="end" x="1342.5" y="-1295.49" font-family="Times Roman,serif" font-size="18.90">9694 (4.7%)</text>
<text text-anchor="end" x="1342.5" y="-1272.49" font-family="Times Roman,serif" font-size="18.90">of 9822 (4.8%)</text>
</g>
<!-- N10&#45;&gt;N26 -->
<g id="edge18" class="edge"><title>N10&#45;&gt;N26</title>
<path fill="none" stroke="black" d="M1223,-1394.41C1223,-1379.69 1223,-1364.09 1223,-1349.94"/>
<polygon fill="black" stroke="black" points="1226.5,-1349.93 1223,-1339.93 1219.5,-1349.93 1226.5,-1349.93"/>
<text text-anchor="middle" x="1241.5" y="-1363.4" font-family="Times Roman,serif" font-size="14.00">9822</text>
</g>
<!-- N27 -->
<g id="node28" class="node"><title>N27</title>
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<text text-anchor="middle" x="616" y="-929.28" font-family="Times Roman,serif" font-size="10.80">_rt0_go</text>
<text text-anchor="end" x="654.5" y="-915.28" font-family="Times Roman,serif" font-size="10.80">653 (0.3%)</text>
<text text-anchor="end" x="654.5" y="-901.28" font-family="Times Roman,serif" font-size="10.80">of 8060 (3.9%)</text>
</g>
<!-- N10&#45;&gt;N27 -->
<g id="edge168" class="edge"><title>N10&#45;&gt;N27</title>
<path fill="none" stroke="black" d="M986.66,-1444.84C806.731,-1432.77 579.08,-1404.78 513,-1340 479.135,-1306.8 494,-1282.42 494,-1235 494,-1235 494,-1235 494,-1055 494,-1010.08 531.035,-973.069 564.294,-948.89"/>
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<text text-anchor="middle" x="512.5" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">5498</text>
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<!-- N28 -->
<g id="node29" class="node"><title>N28</title>
<polygon fill="none" stroke="black" points="1251,-692 1055,-692 1055,-618 1251,-618 1251,-692"/>
<text text-anchor="middle" x="1153" y="-672.52" font-family="Times Roman,serif" font-size="17.20">bytes.(*Buffer).Write</text>
<text text-anchor="end" x="1243" y="-650.52" font-family="Times Roman,serif" font-size="17.20">6917 (3.4%)</text>
<text text-anchor="end" x="1243" y="-628.52" font-family="Times Roman,serif" font-size="17.20">of 7461 (3.6%)</text>
</g>
<!-- N10&#45;&gt;N28 -->
<g id="edge134" class="edge"><title>N10&#45;&gt;N28</title>
<path fill="none" stroke="black" d="M1316.86,-1394.4C1333.93,-1378.9 1349.36,-1360.66 1359,-1340 1373.66,-1308.59 1363.97,-1296.31 1359,-1262 1342.59,-1148.78 1359.46,-1097.31 1277,-1018 1273.79,-1014.91 1128.57,-967.642 1126,-964 1070.84,-885.694 1105.37,-767.033 1131.58,-701.896"/>
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<text text-anchor="middle" x="1345" y="-1051.4" font-family="Times Roman,serif" font-size="14.00">618</text>
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<!-- N31 -->
<g id="node32" class="node"><title>N31</title>
<polygon fill="none" stroke="black" points="1508,-817.5 1284,-817.5 1284,-746.5 1508,-746.5 1508,-817.5"/>
<text text-anchor="middle" x="1396" y="-798.47" font-family="Times Roman,serif" font-size="16.70">bytes.(*Buffer).ReadFrom</text>
<text text-anchor="end" x="1500.5" y="-777.47" font-family="Times Roman,serif" font-size="16.70">6235 (3.0%)</text>
<text text-anchor="end" x="1500.5" y="-756.47" font-family="Times Roman,serif" font-size="16.70">of 6795 (3.3%)</text>
</g>
<!-- N10&#45;&gt;N31 -->
<g id="edge16" class="edge"><title>N10&#45;&gt;N31</title>
<path fill="none" stroke="black" d="M1459.36,-1409.14C1508.67,-1398.07 1552.73,-1386.41 1576,-1376 1657.02,-1339.74 1665.76,-1294.87 1684,-1208 1689.66,-1181.03 1700.45,-1168.11 1684,-1146 1667.38,-1123.66 1646.33,-1144.62 1624,-1128 1595.68,-1106.93 1476.78,-914.808 1422.83,-826.29"/>
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<text text-anchor="middle" x="1642.5" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">1931</text>
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<!-- N40 -->
<g id="node41" class="node"><title>N40</title>
<polygon fill="none" stroke="black" points="1590,-1324 1406,-1324 1406,-1278 1590,-1278 1590,-1324"/>
<text text-anchor="middle" x="1498" y="-1306.86" font-family="Times Roman,serif" font-size="14.60">bufio.(*Reader).Buffered</text>
<text text-anchor="end" x="1582" y="-1287.86" font-family="Times Roman,serif" font-size="14.60">3558 (1.7%)</text>
</g>
<!-- N10&#45;&gt;N40 -->
<g id="edge30" class="edge"><title>N10&#45;&gt;N40</title>
<path fill="none" stroke="black" d="M1357.91,-1394.47C1369.58,-1388.5 1381.09,-1382.31 1392,-1376 1415.57,-1362.38 1440.49,-1344.92 1460.24,-1330.28"/>
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<text text-anchor="middle" x="1437.5" y="-1363.4" font-family="Times Roman,serif" font-size="14.00">3558</text>
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<!-- N43 -->
<g id="node44" class="node"><title>N43</title>
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<text text-anchor="middle" x="2060" y="-923.13" font-family="Times Roman,serif" font-size="14.30">unicode/utf8.RuneLen</text>
<text text-anchor="end" x="2136" y="-905.13" font-family="Times Roman,serif" font-size="14.30">3286 (1.6%)</text>
</g>
<!-- N10&#45;&gt;N43 -->
<g id="edge192" class="edge"><title>N10&#45;&gt;N43</title>
<path fill="none" stroke="black" d="M1459.13,-1405.7C1482.36,-1401.5 1505.61,-1397.52 1528,-1394 1595.2,-1383.43 1617.25,-1402.26 1680,-1376 1747.27,-1347.85 1741.47,-1308.06 1798,-1262 1910.28,-1170.52 2001.77,-1216.36 2076,-1092 2102.15,-1048.19 2087.03,-986.842 2073.59,-949.91"/>
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<text text-anchor="middle" x="2050.5" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">2233</text>
</g>
<!-- N49 -->
<g id="node50" class="node"><title>N49</title>
<polygon fill="none" stroke="black" points="1040,-1321 846,-1321 846,-1281 1040,-1281 1040,-1321"/>
<text text-anchor="middle" x="943" y="-1305.84" font-family="Times Roman,serif" font-size="12.40">bufio.(*Reader).UnreadRune</text>
<text text-anchor="end" x="1032" y="-1289.84" font-family="Times Roman,serif" font-size="12.40">1615 (0.8%)</text>
</g>
<!-- N10&#45;&gt;N49 -->
<g id="edge46" class="edge"><title>N10&#45;&gt;N49</title>
<path fill="none" stroke="black" d="M1048.88,-1394.41C1037.83,-1388.71 1027.1,-1382.57 1017,-1376 997.418,-1363.25 978.954,-1344.55 965.368,-1329.02"/>
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<text text-anchor="middle" x="1035.5" y="-1363.4" font-family="Times Roman,serif" font-size="14.00">1615</text>
</g>
<!-- N11&#45;&gt;N11 -->
<g id="edge84" class="edge"><title>N11&#45;&gt;N11</title>
<path fill="none" stroke="black" d="M782.378,-1310.56C793.242,-1308.51 800,-1305.32 800,-1301 800,-1298.23 797.226,-1295.93 792.377,-1294.09"/>
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<text text-anchor="middle" x="814" y="-1297.4" font-family="Times Roman,serif" font-size="14.00">583</text>
</g>
<!-- N11&#45;&gt;N14 -->
<g id="edge10" class="edge"><title>N11&#45;&gt;N14</title>
<path fill="none" stroke="black" d="M782.241,-1271.24C800.559,-1267.73 819.205,-1264.51 837,-1262 946.87,-1246.52 979.971,-1276.7 1086,-1244 1116.45,-1234.61 1122.35,-1226.9 1148,-1208 1209.28,-1162.84 1240.65,-1160.42 1274,-1092 1291.7,-1055.68 1294.76,-1009.99 1293.63,-974.542"/>
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<text text-anchor="middle" x="1287" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">19090</text>
</g>
<!-- N16 -->
<g id="node17" class="node"><title>N16</title>
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<text text-anchor="middle" x="881" y="-1068.53" font-family="Times Roman,serif" font-size="13.30">encoding/xml.isNameString</text>
<text text-anchor="end" x="972.5" y="-1051.53" font-family="Times Roman,serif" font-size="13.30">2262 (1.1%)</text>
<text text-anchor="end" x="972.5" y="-1034.53" font-family="Times Roman,serif" font-size="13.30">of 19498 (9.5%)</text>
</g>
<!-- N11&#45;&gt;N16 -->
<g id="edge40" class="edge"><title>N11&#45;&gt;N16</title>
<path fill="none" stroke="black" d="M644.831,-1269.91C638.933,-1236.16 635.22,-1182.24 661,-1146 675.319,-1125.87 724.229,-1104.7 772.306,-1087.85"/>
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<text text-anchor="middle" x="679.5" y="-1173.4" font-family="Times Roman,serif" font-size="14.00">2166</text>
</g>
<!-- N18 -->
<g id="node19" class="node"><title>N18</title>
<polygon fill="none" stroke="black" points="941,-1200.5 821,-1200.5 821,-1153.5 941,-1153.5 941,-1200.5"/>
<text text-anchor="middle" x="881" y="-1187.68" font-family="Times Roman,serif" font-size="9.80">encoding/xml.isName</text>
<text text-anchor="end" x="933" y="-1174.68" font-family="Times Roman,serif" font-size="9.80">264 (0.1%)</text>
<text text-anchor="end" x="933" y="-1161.68" font-family="Times Roman,serif" font-size="9.80">of 16785 (8.2%)</text>
</g>
<!-- N11&#45;&gt;N18 -->
<g id="edge196" class="edge"><title>N11&#45;&gt;N18</title>
<path fill="none" stroke="black" d="M709.491,-1269.87C745.977,-1250.11 792.832,-1224.74 828.346,-1205.51"/>
<polygon fill="black" stroke="black" points="830.453,-1208.35 837.58,-1200.51 827.12,-1202.2 830.453,-1208.35"/>
<text text-anchor="middle" x="810" y="-1231.4" font-family="Times Roman,serif" font-size="14.00">16785</text>
</g>
<!-- N11&#45;&gt;N28 -->
<g id="edge156" class="edge"><title>N11&#45;&gt;N28</title>
<path fill="none" stroke="black" d="M782.234,-1273.98C914.677,-1243.48 1106.21,-1189.95 1148,-1128 1156.96,-1114.71 1147.54,-1107.95 1146,-1092 1144.82,-1079.79 1144.25,-991.894 1137,-982 1124.52,-964.953 1104.78,-981.542 1093,-964 1030.08,-870.274 1047.54,-813.333 1093,-710 1094.44,-706.732 1096.18,-703.573 1098.14,-700.534"/>
<polygon fill="black" stroke="black" points="1101.1,-702.419 1104.22,-692.295 1095.47,-698.263 1101.1,-702.419"/>
<text text-anchor="middle" x="1155" y="-987.4" font-family="Times Roman,serif" font-size="14.00">375</text>
</g>
<!-- N55 -->
<g id="node56" class="node"><title>N55</title>
<polygon fill="none" stroke="black" points="803,-1200.5 707,-1200.5 707,-1153.5 803,-1153.5 803,-1200.5"/>
<text text-anchor="middle" x="755" y="-1187.59" font-family="Times Roman,serif" font-size="9.90">strings.LastIndex</text>
<text text-anchor="end" x="795.5" y="-1174.59" font-family="Times Roman,serif" font-size="9.90">281 (0.1%)</text>
<text text-anchor="end" x="795.5" y="-1161.59" font-family="Times Roman,serif" font-size="9.90">of 1218 (0.6%)</text>
</g>
<!-- N11&#45;&gt;N55 -->
<g id="edge68" class="edge"><title>N11&#45;&gt;N55</title>
<path fill="none" stroke="black" d="M677.991,-1269.71C693.531,-1251 713.216,-1227.3 728.793,-1208.55"/>
<polygon fill="black" stroke="black" points="731.497,-1210.77 735.194,-1200.84 726.112,-1206.3 731.497,-1210.77"/>
<text text-anchor="middle" x="730.5" y="-1231.4" font-family="Times Roman,serif" font-size="14.00">1218</text>
</g>
<!-- N13 -->
<g id="node14" class="node"><title>N13</title>
<polygon fill="none" stroke="black" points="1937,-1092 1695,-1092 1695,-1018 1937,-1018 1937,-1092"/>
<text text-anchor="middle" x="1816" y="-1072.07" font-family="Times Roman,serif" font-size="17.70">encoding/xml.EscapeText</text>
<text text-anchor="end" x="1929" y="-1050.07" font-family="Times Roman,serif" font-size="17.70">7714 (3.8%)</text>
<text text-anchor="end" x="1929" y="-1028.07" font-family="Times Roman,serif" font-size="17.70">of 37913 (18.5%)</text>
</g>
<!-- N12&#45;&gt;N13 -->
<g id="edge26" class="edge"><title>N12&#45;&gt;N13</title>
<path fill="none" stroke="black" d="M1625.26,-1145.9C1656.68,-1130.93 1694.79,-1112.76 1728.66,-1096.62"/>
<polygon fill="black" stroke="black" points="1730.57,-1099.59 1738.09,-1092.13 1727.56,-1093.27 1730.57,-1099.59"/>
<text text-anchor="middle" x="1718" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">18977</text>
</g>
<!-- N12&#45;&gt;N14 -->
<g id="edge204" class="edge"><title>N12&#45;&gt;N14</title>
<path fill="none" stroke="black" d="M1540.69,-1145.82C1513.91,-1104.48 1462.19,-1031.02 1404,-982 1399.09,-977.867 1393.88,-973.875 1388.48,-970.042"/>
<polygon fill="black" stroke="black" points="1390.1,-966.908 1379.87,-964.152 1386.15,-972.686 1390.1,-966.908"/>
<text text-anchor="middle" x="1519.5" y="-1051.4" font-family="Times Roman,serif" font-size="14.00">2230</text>
</g>
<!-- N19 -->
<g id="node20" class="node"><title>N19</title>
<polygon fill="none" stroke="black" points="967,-944.5 849,-944.5 849,-891.5 967,-891.5 967,-944.5"/>
<text text-anchor="middle" x="908" y="-930.06" font-family="Times Roman,serif" font-size="11.60">runtime.stringiter2</text>
<text text-anchor="end" x="959.5" y="-915.06" font-family="Times Roman,serif" font-size="11.60">1078 (0.5%)</text>
<text text-anchor="end" x="959.5" y="-900.06" font-family="Times Roman,serif" font-size="11.60">of 14793 (7.2%)</text>
</g>
<!-- N12&#45;&gt;N19 -->
<g id="edge124" class="edge"><title>N12&#45;&gt;N19</title>
<path fill="none" stroke="black" d="M1444.81,-1148.55C1440.16,-1147.65 1435.54,-1146.79 1431,-1146 1394.66,-1139.68 1297.82,-1146.65 1266,-1128 1197.27,-1087.71 1227.78,-1026.94 1162,-982 1160.03,-980.655 1051.62,-953.602 977.081,-935.104"/>
<polygon fill="black" stroke="black" points="977.808,-931.678 967.259,-932.667 976.122,-938.472 977.808,-931.678"/>
<text text-anchor="middle" x="1250" y="-1051.4" font-family="Times Roman,serif" font-size="14.00">12906</text>
</g>
<!-- N12&#45;&gt;N27 -->
<g id="edge58" class="edge"><title>N12&#45;&gt;N27</title>
<path fill="none" stroke="black" d="M1444.83,-1148.46C1440.17,-1147.58 1435.54,-1146.76 1431,-1146 1346.45,-1131.95 1321.59,-1150.9 1239,-1128 1203.37,-1118.12 1187.67,-1120.4 1164,-1092 1131.56,-1053.07 1173.31,-1013.98 1134,-982 1108.61,-961.349 872.444,-968.303 840,-964 782.19,-956.334 716.973,-942.32 671.882,-931.767"/>
<polygon fill="black" stroke="black" points="672.545,-928.328 662.008,-929.437 670.937,-935.141 672.545,-928.328"/>
<text text-anchor="middle" x="1178" y="-1051.4" font-family="Times Roman,serif" font-size="14.00">735</text>
</g>
<!-- N42 -->
<g id="node43" class="node"><title>N42</title>
<polygon fill="none" stroke="black" points="2067,-1084.5 1955,-1084.5 1955,-1025.5 2067,-1025.5 2067,-1084.5"/>
<text text-anchor="middle" x="2011" y="-1068.8" font-family="Times Roman,serif" font-size="13.00">hash_insert</text>
<text text-anchor="end" x="2059" y="-1051.8" font-family="Times Roman,serif" font-size="13.00">2010 (1.0%)</text>
<text text-anchor="end" x="2059" y="-1034.8" font-family="Times Roman,serif" font-size="13.00">of 3359 (1.6%)</text>
</g>
<!-- N12&#45;&gt;N42 -->
<g id="edge100" class="edge"><title>N12&#45;&gt;N42</title>
<path fill="none" stroke="black" d="M1675.25,-1155.58C1770.37,-1137.17 1897.32,-1110.72 1946,-1092 1948.53,-1091.03 1951.07,-1089.97 1953.62,-1088.84"/>
<polygon fill="black" stroke="black" points="1955.24,-1091.95 1962.8,-1084.52 1952.26,-1085.62 1955.24,-1091.95"/>
<text text-anchor="middle" x="1901.5" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">3024</text>
</g>
<!-- N13&#45;&gt;N14 -->
<g id="edge96" class="edge"><title>N13&#45;&gt;N14</title>
<path fill="none" stroke="black" d="M1694.84,-1020.8C1649.76,-1008.29 1598.12,-994.219 1551,-982 1518.71,-973.625 1484.1,-964.973 1450.94,-956.842"/>
<polygon fill="black" stroke="black" points="1451.72,-953.428 1441.17,-954.45 1450.05,-960.228 1451.72,-953.428"/>
<text text-anchor="middle" x="1634.5" y="-987.4" font-family="Times Roman,serif" font-size="14.00">7981</text>
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<!-- N17 -->
<g id="node18" class="node"><title>N17</title>
<polygon fill="none" stroke="black" points="1958,-950.5 1820,-950.5 1820,-885.5 1958,-885.5 1958,-950.5"/>
<text text-anchor="middle" x="1889" y="-933" font-family="Times Roman,serif" font-size="15.00">unicode.init</text>
<text text-anchor="end" x="1950.5" y="-914" font-family="Times Roman,serif" font-size="15.00">4064 (2.0%)</text>
<text text-anchor="end" x="1950.5" y="-895" font-family="Times Roman,serif" font-size="15.00">of 17138 (8.4%)</text>
</g>
<!-- N13&#45;&gt;N17 -->
<g id="edge146" class="edge"><title>N13&#45;&gt;N17</title>
<path fill="none" stroke="black" d="M1835.75,-1017.93C1845.33,-999.947 1856.88,-978.281 1866.77,-959.726"/>
<polygon fill="black" stroke="black" points="1869.86,-961.368 1871.47,-950.897 1863.68,-958.076 1869.86,-961.368"/>
<text text-anchor="middle" x="1877" y="-987.4" font-family="Times Roman,serif" font-size="14.00">17138</text>
</g>
<!-- N13&#45;&gt;N25 -->
<g id="edge98" class="edge"><title>N13&#45;&gt;N25</title>
<path fill="none" stroke="black" d="M1786.23,-1017.93C1771.09,-999.066 1752.69,-976.148 1737.33,-957.02"/>
<polygon fill="black" stroke="black" points="1739.94,-954.683 1730.95,-949.077 1734.48,-959.066 1739.94,-954.683"/>
<text text-anchor="middle" x="1788.5" y="-987.4" font-family="Times Roman,serif" font-size="14.00">4027</text>
</g>
<!-- N13&#45;&gt;N43 -->
<g id="edge52" class="edge"><title>N13&#45;&gt;N43</title>
<path fill="none" stroke="black" d="M1882.03,-1017.93C1922.88,-994.987 1974.43,-966.046 2011.52,-945.221"/>
<polygon fill="black" stroke="black" points="2013.62,-948.058 2020.62,-940.11 2010.19,-941.954 2013.62,-948.058"/>
<text text-anchor="middle" x="1963.5" y="-987.4" font-family="Times Roman,serif" font-size="14.00">1053</text>
</g>
<!-- N14&#45;&gt;N28 -->
<g id="edge148" class="edge"><title>N14&#45;&gt;N28</title>
<path fill="none" stroke="black" d="M1229.84,-871.764C1213.76,-856.267 1197.78,-837.836 1187,-818 1167.48,-782.096 1159.15,-736.136 1155.6,-702.178"/>
<polygon fill="black" stroke="black" points="1159.07,-701.676 1154.65,-692.048 1152.1,-702.333 1159.07,-701.676"/>
<text text-anchor="middle" x="1205.5" y="-778.4" font-family="Times Roman,serif" font-size="14.00">6131</text>
</g>
<!-- N14&#45;&gt;N31 -->
<g id="edge152" class="edge"><title>N14&#45;&gt;N31</title>
<path fill="none" stroke="black" d="M1324.56,-871.957C1336.44,-857.002 1349.58,-840.461 1361.31,-825.684"/>
<polygon fill="black" stroke="black" points="1364.19,-827.685 1367.67,-817.677 1358.71,-823.331 1364.19,-827.685"/>
<text text-anchor="middle" x="1369.5" y="-841.4" font-family="Times Roman,serif" font-size="14.00">4864</text>
</g>
<!-- N39 -->
<g id="node40" class="node"><title>N39</title>
<polygon fill="none" stroke="black" points="1485,-678 1269,-678 1269,-632 1485,-632 1485,-678"/>
<text text-anchor="middle" x="1377" y="-660.32" font-family="Times Roman,serif" font-size="15.20">bytes.(*Buffer).WriteString</text>
<text text-anchor="end" x="1477.5" y="-641.32" font-family="Times Roman,serif" font-size="15.20">4240 (2.1%)</text>
</g>
<!-- N14&#45;&gt;N39 -->
<g id="edge138" class="edge"><title>N14&#45;&gt;N39</title>
<path fill="none" stroke="black" d="M1256.07,-871.774C1235.58,-835.923 1216.48,-785.803 1238,-746 1253.1,-718.074 1280.9,-697.341 1307.7,-682.777"/>
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<text text-anchor="middle" x="1256.5" y="-778.4" font-family="Times Roman,serif" font-size="14.00">4017</text>
</g>
<!-- N15&#45;&gt;N10 -->
<g id="edge188" class="edge"><title>N15&#45;&gt;N10</title>
<path fill="none" stroke="black" d="M1116.1,-1569.4C1125.13,-1557.9 1136.38,-1544 1147,-1532 1150.13,-1528.47 1153.36,-1524.89 1156.66,-1521.3"/>
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<text text-anchor="middle" x="1165.5" y="-1537.4" font-family="Times Roman,serif" font-size="14.00">1718</text>
</g>
<!-- N15&#45;&gt;N13 -->
<g id="edge4" class="edge"><title>N15&#45;&gt;N13</title>
<path fill="none" stroke="black" d="M1185.24,-1569.47C1187.51,-1568.96 1189.77,-1568.47 1192,-1568 1341.68,-1536.3 1393.12,-1578.21 1532,-1514 1606.39,-1479.61 1597.65,-1428.46 1672,-1394 1717.74,-1372.8 1749.44,-1412.7 1784,-1376 1820.15,-1337.61 1820.43,-1182.03 1818.05,-1102.43"/>
<polygon fill="black" stroke="black" points="1821.54,-1102.06 1817.72,-1092.18 1814.55,-1102.29 1821.54,-1102.06"/>
<text text-anchor="middle" x="1832.5" y="-1297.4" font-family="Times Roman,serif" font-size="14.00">8207</text>
</g>
<!-- N15&#45;&gt;N16 -->
<g id="edge198" class="edge"><title>N15&#45;&gt;N16</title>
<path fill="none" stroke="black" d="M1008.67,-1583.91C824.56,-1563.97 420,-1513.4 420,-1454 420,-1454 420,-1454 420,-1177 420,-1150.09 446.785,-1155.39 472,-1146 601.012,-1097.97 643.911,-1127.19 777,-1092 782.024,-1090.67 787.151,-1089.21 792.302,-1087.66"/>
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<text text-anchor="middle" x="443" y="-1297.4" font-family="Times Roman,serif" font-size="14.00">12974</text>
</g>
<!-- N16&#45;&gt;N10 -->
<g id="edge34" class="edge"><title>N16&#45;&gt;N10</title>
<path fill="none" stroke="black" d="M908.648,-1084.54C944.01,-1123.28 1005.83,-1194.29 1049,-1262 1069.73,-1294.52 1063.26,-1309.61 1087,-1340 1100.24,-1356.95 1116.37,-1373.13 1132.84,-1387.7"/>
<polygon fill="black" stroke="black" points="1130.57,-1390.37 1140.42,-1394.28 1135.16,-1385.08 1130.57,-1390.37"/>
<text text-anchor="middle" x="1059" y="-1231.4" font-family="Times Roman,serif" font-size="14.00">12616</text>
</g>
<!-- N16&#45;&gt;N14 -->
<g id="edge190" class="edge"><title>N16&#45;&gt;N14</title>
<path fill="none" stroke="black" d="M968.812,-1025.44C1019.17,-1008.49 1083.69,-986.774 1141.52,-967.308"/>
<polygon fill="black" stroke="black" points="1142.75,-970.586 1151.11,-964.079 1140.52,-963.952 1142.75,-970.586"/>
<text text-anchor="middle" x="1114.5" y="-987.4" font-family="Times Roman,serif" font-size="14.00">2729</text>
</g>
<!-- N16&#45;&gt;N19 -->
<g id="edge32" class="edge"><title>N16&#45;&gt;N19</title>
<path fill="none" stroke="black" d="M886.859,-1025.27C890.929,-1004.62 896.381,-976.955 900.729,-954.893"/>
<polygon fill="black" stroke="black" points="904.202,-955.371 902.702,-944.883 897.334,-954.017 904.202,-955.371"/>
<text text-anchor="middle" x="913.5" y="-987.4" font-family="Times Roman,serif" font-size="14.00">1582</text>
</g>
<!-- N16&#45;&gt;N27 -->
<g id="edge20" class="edge"><title>N16&#45;&gt;N27</title>
<path fill="none" stroke="black" d="M823.825,-1025.44C778.559,-1002.04 715.729,-969.558 671.03,-946.449"/>
<polygon fill="black" stroke="black" points="672.552,-943.296 662.061,-941.813 669.337,-949.514 672.552,-943.296"/>
<text text-anchor="middle" x="786" y="-987.4" font-family="Times Roman,serif" font-size="14.00">309</text>
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<!-- N20 -->
<g id="node21" class="node"><title>N20</title>
<polygon fill="none" stroke="black" points="2118,-811 1964,-811 1964,-753 2118,-753 2118,-811"/>
<text text-anchor="middle" x="2041" y="-788.73" font-family="Times Roman,serif" font-size="20.30">unicode.to</text>
<text text-anchor="end" x="2110.5" y="-763.73" font-family="Times Roman,serif" font-size="20.30">12360 (6.0%)</text>
</g>
<!-- N17&#45;&gt;N20 -->
<g id="edge142" class="edge"><title>N17&#45;&gt;N20</title>
<path fill="none" stroke="black" d="M1925.41,-885.425C1948.13,-865.091 1977.41,-838.895 2000.82,-817.955"/>
<polygon fill="black" stroke="black" points="2003.39,-820.347 2008.51,-811.071 1998.72,-815.131 2003.39,-820.347"/>
<text text-anchor="middle" x="2001" y="-841.4" font-family="Times Roman,serif" font-size="14.00">12360</text>
</g>
<!-- N18&#45;&gt;N13 -->
<g id="edge194" class="edge"><title>N18&#45;&gt;N13</title>
<path fill="none" stroke="black" d="M941.199,-1162.36C1008.65,-1146.59 1121.46,-1122.15 1220,-1110 1378.11,-1090.5 1419.52,-1108.26 1578,-1092 1612.74,-1088.44 1650.14,-1083.26 1684.76,-1077.9"/>
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<text text-anchor="middle" x="1243" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">10729</text>
</g>
<!-- N18&#45;&gt;N16 -->
<g id="edge170" class="edge"><title>N18&#45;&gt;N16</title>
<path fill="none" stroke="black" d="M881,-1153.48C881,-1136.93 881,-1114.36 881,-1095.01"/>
<polygon fill="black" stroke="black" points="884.5,-1094.94 881,-1084.94 877.5,-1094.94 884.5,-1094.94"/>
<text text-anchor="middle" x="899.5" y="-1115.4" font-family="Times Roman,serif" font-size="14.00">4358</text>
</g>
<!-- N18&#45;&gt;N27 -->
<g id="edge90" class="edge"><title>N18&#45;&gt;N27</title>
<path fill="none" stroke="black" d="M828.678,-1153.39C799.331,-1138.51 763.257,-1117.32 736,-1092 691.389,-1050.55 654.193,-989.732 633.542,-952.065"/>
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<text text-anchor="middle" x="754.5" y="-1051.4" font-family="Times Roman,serif" font-size="14.00">1434</text>
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<!-- N21 -->
<g id="node22" class="node"><title>N21</title>
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<text text-anchor="middle" x="789" y="-792.41" font-family="Times Roman,serif" font-size="10.10">runtime.concatstring</text>
<text text-anchor="end" x="839" y="-779.41" font-family="Times Roman,serif" font-size="10.10">374 (0.2%)</text>
<text text-anchor="end" x="839" y="-766.41" font-family="Times Roman,serif" font-size="10.10">of 11955 (5.8%)</text>
</g>
<!-- N19&#45;&gt;N21 -->
<g id="edge44" class="edge"><title>N19&#45;&gt;N21</title>
<path fill="none" stroke="black" d="M884.773,-891.455C865.205,-869.092 837.174,-837.056 816.49,-813.417"/>
<polygon fill="black" stroke="black" points="818.999,-810.97 809.78,-805.749 813.731,-815.579 818.999,-810.97"/>
<text text-anchor="middle" x="871" y="-841.4" font-family="Times Roman,serif" font-size="14.00">11955</text>
</g>
<!-- N22 -->
<g id="node23" class="node"><title>N22</title>
<polygon fill="none" stroke="black" points="577,-690.5 427,-690.5 427,-619.5 577,-619.5 577,-690.5"/>
<text text-anchor="middle" x="502" y="-671.56" font-family="Times Roman,serif" font-size="16.60">runtime.free</text>
<text text-anchor="end" x="569.5" y="-650.56" font-family="Times Roman,serif" font-size="16.60">6112 (3.0%)</text>
<text text-anchor="end" x="569.5" y="-629.56" font-family="Times Roman,serif" font-size="16.60">of 11889 (5.8%)</text>
</g>
<!-- N21&#45;&gt;N22 -->
<g id="edge116" class="edge"><title>N21&#45;&gt;N22</title>
<path fill="none" stroke="black" d="M735.69,-758.41C693.81,-739.878 634.695,-713.719 586.4,-692.348"/>
<polygon fill="black" stroke="black" points="587.766,-689.125 577.205,-688.279 584.934,-695.526 587.766,-689.125"/>
<text text-anchor="middle" x="681.5" y="-715.4" font-family="Times Roman,serif" font-size="14.00">5703</text>
</g>
<!-- N24 -->
<g id="node25" class="node"><title>N24</title>
<polygon fill="none" stroke="black" points="867,-460 711,-460 711,-392 867,-392 867,-460"/>
<text text-anchor="middle" x="789" y="-441.6" font-family="Times Roman,serif" font-size="16.00">runtime.mallocgc</text>
<text text-anchor="end" x="859" y="-421.6" font-family="Times Roman,serif" font-size="16.00">5252 (2.6%)</text>
<text text-anchor="end" x="859" y="-401.6" font-family="Times Roman,serif" font-size="16.00">of 10626 (5.2%)</text>
</g>
<!-- N21&#45;&gt;N24 -->
<g id="edge184" class="edge"><title>N21&#45;&gt;N24</title>
<path fill="none" stroke="black" d="M789,-758.366C789,-699.706 789,-546.696 789,-470.48"/>
<polygon fill="black" stroke="black" points="792.5,-470.253 789,-460.253 785.5,-470.253 792.5,-470.253"/>
<text text-anchor="middle" x="807.5" y="-587.4" font-family="Times Roman,serif" font-size="14.00">4810</text>
</g>
<!-- N44 -->
<g id="node45" class="node"><title>N44</title>
<polygon fill="none" stroke="black" points="676,-448 560,-448 560,-404 676,-404 676,-448"/>
<text text-anchor="middle" x="618" y="-431.58" font-family="Times Roman,serif" font-size="13.80">runtime.malloc</text>
<text text-anchor="end" x="668" y="-413.58" font-family="Times Roman,serif" font-size="13.80">2776 (1.4%)</text>
</g>
<!-- N21&#45;&gt;N44 -->
<g id="edge110" class="edge"><title>N21&#45;&gt;N44</title>
<path fill="none" stroke="black" d="M777.648,-758.366C747.726,-696.072 666.695,-527.377 633.006,-457.241"/>
<polygon fill="black" stroke="black" points="636.062,-455.518 628.577,-448.02 629.752,-458.549 636.062,-455.518"/>
<text text-anchor="middle" x="719.5" y="-587.4" font-family="Times Roman,serif" font-size="14.00">1064</text>
</g>
<!-- N22&#45;&gt;N29 -->
<g id="edge166" class="edge"><title>N22&#45;&gt;N29</title>
<path fill="none" stroke="black" d="M426.922,-619.996C415.016,-613.727 403.008,-606.961 392,-600 381.029,-593.063 380.456,-588.103 369,-582 350.354,-572.067 329.001,-563.895 308.981,-557.442"/>
<polygon fill="black" stroke="black" points="309.866,-554.052 299.278,-554.412 307.78,-560.734 309.866,-554.052"/>
<text text-anchor="middle" x="406" y="-587.4" font-family="Times Roman,serif" font-size="14.00">206</text>
</g>
<!-- N38 -->
<g id="node39" class="node"><title>N38</title>
<polygon fill="none" stroke="black" points="590,-562 414,-562 414,-516 590,-516 590,-562"/>
<text text-anchor="middle" x="502" y="-544.23" font-family="Times Roman,serif" font-size="15.30">runtime.unmarkspan</text>
<text text-anchor="end" x="582" y="-525.23" font-family="Times Roman,serif" font-size="15.30">4321 (2.1%)</text>
</g>
<!-- N22&#45;&gt;N38 -->
<g id="edge180" class="edge"><title>N22&#45;&gt;N38</title>
<path fill="none" stroke="black" d="M502,-619.25C502,-604.251 502,-586.912 502,-572.197"/>
<polygon fill="black" stroke="black" points="505.5,-572.017 502,-562.018 498.5,-572.018 505.5,-572.017"/>
<text text-anchor="middle" x="520.5" y="-587.4" font-family="Times Roman,serif" font-size="14.00">4317</text>
</g>
<!-- N23 -->
<g id="node24" class="node"><title>N23</title>
<polygon fill="none" stroke="black" points="983,-2504 899,-2504 899,-2466 983,-2466 983,-2504"/>
<text text-anchor="middle" x="941" y="-2492.8" font-family="Times Roman,serif" font-size="8.00">procresize</text>
<text text-anchor="end" x="975" y="-2482.8" font-family="Times Roman,serif" font-size="8.00">0 (0.0%)</text>
<text text-anchor="end" x="975" y="-2472.8" font-family="Times Roman,serif" font-size="8.00">of 10821 (5.3%)</text>
</g>
<!-- N33 -->
<g id="node34" class="node"><title>N33</title>
<polygon fill="none" stroke="black" points="1019,-2351 863,-2351 863,-2301 1019,-2301 1019,-2351"/>
<text text-anchor="middle" x="941" y="-2332.06" font-family="Times Roman,serif" font-size="16.60">updatememstats</text>
<text text-anchor="end" x="1011.5" y="-2311.06" font-family="Times Roman,serif" font-size="16.60">6060 (3.0%)</text>
</g>
<!-- N23&#45;&gt;N33 -->
<g id="edge28" class="edge"><title>N23&#45;&gt;N33</title>
<path fill="none" stroke="black" d="M941,-2465.82C941,-2440.07 941,-2393.84 941,-2361.62"/>
<polygon fill="black" stroke="black" points="944.5,-2361.27 941,-2351.27 937.5,-2361.27 944.5,-2361.27"/>
<text text-anchor="middle" x="959.5" y="-2377.4" font-family="Times Roman,serif" font-size="14.00">6060</text>
</g>
<!-- N53 -->
<g id="node54" class="node"><title>N53</title>
<polygon fill="none" stroke="black" points="1219,-2354 1037,-2354 1037,-2298 1219,-2298 1219,-2354"/>
<text text-anchor="middle" x="1128" y="-2339.02" font-family="Times Roman,serif" font-size="12.20">text/tabwriter.(*Writer).reset</text>
<text text-anchor="end" x="1211.5" y="-2323.02" font-family="Times Roman,serif" font-size="12.20">1448 (0.7%)</text>
<text text-anchor="end" x="1211.5" y="-2307.02" font-family="Times Roman,serif" font-size="12.20">of 1496 (0.7%)</text>
</g>
<!-- N23&#45;&gt;N53 -->
<g id="edge64" class="edge"><title>N23&#45;&gt;N53</title>
<path fill="none" stroke="black" d="M963.557,-2465.82C994.119,-2439.83 1049.22,-2392.99 1087.15,-2360.73"/>
<polygon fill="black" stroke="black" points="1089.62,-2363.23 1094.97,-2354.08 1085.09,-2357.89 1089.62,-2363.23"/>
<text text-anchor="middle" x="1090.5" y="-2377.4" font-family="Times Roman,serif" font-size="14.00">1445</text>
</g>
<!-- N34 -->
<g id="node35" class="node"><title>N34</title>
<polygon fill="none" stroke="black" points="828,-337.5 750,-337.5 750,-296.5 828,-296.5 828,-337.5"/>
<text text-anchor="middle" x="789" y="-325.76" font-family="Times Roman,serif" font-size="8.60">MCentral_Free</text>
<text text-anchor="end" x="820.5" y="-314.76" font-family="Times Roman,serif" font-size="8.60">32 (0.0%)</text>
<text text-anchor="end" x="820.5" y="-303.76" font-family="Times Roman,serif" font-size="8.60">of 5362 (2.6%)</text>
</g>
<!-- N24&#45;&gt;N34 -->
<g id="edge66" class="edge"><title>N24&#45;&gt;N34</title>
<path fill="none" stroke="black" d="M789,-391.811C789,-377.82 789,-361.745 789,-348.09"/>
<polygon fill="black" stroke="black" points="792.5,-347.745 789,-337.745 785.5,-347.745 792.5,-347.745"/>
<text text-anchor="middle" x="807.5" y="-361.4" font-family="Times Roman,serif" font-size="14.00">5362</text>
</g>
<!-- N32 -->
<g id="node33" class="node"><title>N32</title>
<polygon fill="none" stroke="black" points="1946,-807 1572,-807 1572,-757 1946,-757 1946,-807"/>
<text text-anchor="middle" x="1759" y="-787.79" font-family="Times Roman,serif" font-size="16.90">unicode/utf8.decodeRuneInStringInternal</text>
<text text-anchor="end" x="1938.5" y="-766.79" font-family="Times Roman,serif" font-size="16.90">6465 (3.2%)</text>
</g>
<!-- N25&#45;&gt;N32 -->
<g id="edge108" class="edge"><title>N25&#45;&gt;N32</title>
<path fill="none" stroke="black" d="M1718.16,-886.799C1726.32,-865.853 1737.08,-838.241 1745.51,-816.618"/>
<polygon fill="black" stroke="black" points="1748.83,-817.738 1749.2,-807.15 1742.31,-815.197 1748.83,-817.738"/>
<text text-anchor="middle" x="1755.5" y="-841.4" font-family="Times Roman,serif" font-size="14.00">6465</text>
</g>
<!-- N27&#45;&gt;N22 -->
<g id="edge92" class="edge"><title>N27&#45;&gt;N22</title>
<path fill="none" stroke="black" d="M577.611,-892.975C553.875,-875.171 525.296,-848.97 511,-818 494.045,-781.271 493.199,-734.827 495.769,-700.92"/>
<polygon fill="black" stroke="black" points="499.268,-701.094 496.663,-690.824 492.295,-700.477 499.268,-701.094"/>
<text text-anchor="middle" x="529.5" y="-778.4" font-family="Times Roman,serif" font-size="14.00">2742</text>
</g>
<!-- N27&#45;&gt;N24 -->
<g id="edge102" class="edge"><title>N27&#45;&gt;N24</title>
<path fill="none" stroke="black" d="M662.006,-914.419C736.432,-905.84 875,-877.099 875,-782 875,-782 875,-782 875,-539 875,-511.565 858.749,-486.629 840.376,-467.204"/>
<polygon fill="black" stroke="black" points="842.789,-464.666 833.26,-460.035 837.821,-469.598 842.789,-464.666"/>
<text text-anchor="middle" x="893.5" y="-651.4" font-family="Times Roman,serif" font-size="14.00">2392</text>
</g>
<!-- N27&#45;&gt;N44 -->
<g id="edge112" class="edge"><title>N27&#45;&gt;N44</title>
<path fill="none" stroke="black" d="M638.758,-892.97C654.566,-873.918 674.443,-846.239 684,-818 696.843,-780.053 687.888,-768.046 689,-728 689.222,-720.003 691.007,-717.744 689,-710 686.704,-701.141 682.277,-700.545 679,-692 676.882,-686.477 640.932,-527.631 625.235,-458.088"/>
<polygon fill="black" stroke="black" points="628.6,-457.101 622.985,-448.117 621.772,-458.642 628.6,-457.101"/>
<text text-anchor="middle" x="693" y="-651.4" font-family="Times Roman,serif" font-size="14.00">458</text>
</g>
<!-- N56 -->
<g id="node57" class="node"><title>N56</title>
<polygon fill="none" stroke="black" points="675,-801 557,-801 557,-763 675,-763 675,-801"/>
<text text-anchor="middle" x="616" y="-786.38" font-family="Times Roman,serif" font-size="11.80">runtime.nanotime</text>
<text text-anchor="end" x="667.5" y="-771.38" font-family="Times Roman,serif" font-size="11.80">1188 (0.6%)</text>
</g>
<!-- N27&#45;&gt;N56 -->
<g id="edge88" class="edge"><title>N27&#45;&gt;N56</title>
<path fill="none" stroke="black" d="M616,-892.738C616,-869.72 616,-835.713 616,-811.465"/>
<polygon fill="black" stroke="black" points="619.5,-811.409 616,-801.409 612.5,-811.409 619.5,-811.409"/>
<text text-anchor="middle" x="630" y="-841.4" font-family="Times Roman,serif" font-size="14.00">633</text>
</g>
<!-- N29&#45;&gt;N22 -->
<g id="edge176" class="edge"><title>N29&#45;&gt;N22</title>
<path fill="none" stroke="black" d="M299.418,-545.851C336.106,-551.742 382.495,-562.518 420,-582 434.988,-589.785 449.424,-600.927 461.895,-612.169"/>
<polygon fill="black" stroke="black" points="459.69,-614.898 469.394,-619.152 464.461,-609.776 459.69,-614.898"/>
<text text-anchor="middle" x="464.5" y="-587.4" font-family="Times Roman,serif" font-size="14.00">2704</text>
</g>
<!-- N29&#45;&gt;N24 -->
<g id="edge78" class="edge"><title>N29&#45;&gt;N24</title>
<path fill="none" stroke="black" d="M299.372,-529.122C404.578,-512.272 612.887,-478.05 685,-460 690.298,-458.674 695.718,-457.217 701.165,-455.675"/>
<polygon fill="black" stroke="black" points="702.356,-458.974 710.979,-452.818 700.399,-452.253 702.356,-458.974"/>
<text text-anchor="middle" x="609.5" y="-483.4" font-family="Times Roman,serif" font-size="14.00">2618</text>
</g>
<!-- N29&#45;&gt;N44 -->
<g id="edge104" class="edge"><title>N29&#45;&gt;N44</title>
<path fill="none" stroke="black" d="M230.446,-513.999C228.807,-501.74 229.496,-487.588 238,-478 258.339,-455.071 445.984,-438.226 549.757,-430.574"/>
<polygon fill="black" stroke="black" points="550.116,-434.057 559.835,-429.84 549.607,-427.075 550.116,-434.057"/>
<text text-anchor="middle" x="252" y="-483.4" font-family="Times Roman,serif" font-size="14.00">994</text>
</g>
<!-- N37 -->
<g id="node38" class="node"><title>N37</title>
<polygon fill="none" stroke="black" points="232,-1476 122,-1476 122,-1432 232,-1432 232,-1476"/>
<text text-anchor="middle" x="177" y="-1463.81" font-family="Times Roman,serif" font-size="9.10">runtime.assertI2TOK</text>
<text text-anchor="end" x="224.5" y="-1451.81" font-family="Times Roman,serif" font-size="9.10">107 (0.1%)</text>
<text text-anchor="end" x="224.5" y="-1439.81" font-family="Times Roman,serif" font-size="9.10">of 4759 (2.3%)</text>
</g>
<!-- N30&#45;&gt;N37 -->
<g id="edge200" class="edge"><title>N30&#45;&gt;N37</title>
<path fill="none" stroke="black" d="M381.657,-1585.21C350.137,-1578.95 310.038,-1568.11 278,-1550 248.121,-1533.11 220.339,-1505.46 201.507,-1484.16"/>
<polygon fill="black" stroke="black" points="203.932,-1481.61 194.742,-1476.34 198.639,-1486.19 203.932,-1481.61"/>
<text text-anchor="middle" x="296.5" y="-1537.4" font-family="Times Roman,serif" font-size="14.00">4759</text>
</g>
<!-- N52 -->
<g id="node53" class="node"><title>N52</title>
<polygon fill="none" stroke="black" points="354,-1477.5 250,-1477.5 250,-1430.5 354,-1430.5 354,-1477.5"/>
<text text-anchor="middle" x="302" y="-1464.77" font-family="Times Roman,serif" font-size="9.70">runtime.assertE2T</text>
<text text-anchor="end" x="346" y="-1451.77" font-family="Times Roman,serif" font-size="9.70">248 (0.1%)</text>
<text text-anchor="end" x="346" y="-1438.77" font-family="Times Roman,serif" font-size="9.70">of 1543 (0.8%)</text>
</g>
<!-- N30&#45;&gt;N52 -->
<g id="edge132" class="edge"><title>N30&#45;&gt;N52</title>
<path fill="none" stroke="black" d="M381.936,-1581.16C363.66,-1574.67 344.375,-1564.82 331,-1550 315.601,-1532.94 308.372,-1507.95 304.982,-1487.75"/>
<polygon fill="black" stroke="black" points="308.422,-1487.08 303.536,-1477.68 301.494,-1488.08 308.422,-1487.08"/>
<text text-anchor="middle" x="349.5" y="-1537.4" font-family="Times Roman,serif" font-size="14.00">1474</text>
</g>
<!-- N31&#45;&gt;N28 -->
<g id="edge50" class="edge"><title>N31&#45;&gt;N28</title>
<path fill="none" stroke="black" d="M1327.99,-746.455C1298.47,-731.026 1263.69,-712.848 1232.94,-696.779"/>
<polygon fill="black" stroke="black" points="1234.45,-693.617 1223.96,-692.087 1231.2,-699.821 1234.45,-693.617"/>
<text text-anchor="middle" x="1303" y="-715.4" font-family="Times Roman,serif" font-size="14.00">337</text>
</g>
<!-- N31&#45;&gt;N31 -->
<g id="edge106" class="edge"><title>N31&#45;&gt;N31</title>
<path fill="none" stroke="black" d="M1508.33,-791.4C1519.14,-789.493 1526,-786.359 1526,-782 1526,-779.207 1523.19,-776.918 1518.32,-775.131"/>
<polygon fill="black" stroke="black" points="1518.88,-771.663 1508.33,-772.6 1517.16,-778.448 1518.88,-771.663"/>
<text text-anchor="middle" x="1540" y="-778.4" font-family="Times Roman,serif" font-size="14.00">322</text>
</g>
<!-- N31&#45;&gt;N39 -->
<g id="edge202" class="edge"><title>N31&#45;&gt;N39</title>
<path fill="none" stroke="black" d="M1390.66,-746.285C1387.92,-728.009 1384.62,-705.908 1381.94,-688.03"/>
<polygon fill="black" stroke="black" points="1385.39,-687.425 1380.45,-678.053 1378.47,-688.461 1385.39,-687.425"/>
<text text-anchor="middle" x="1401" y="-715.4" font-family="Times Roman,serif" font-size="14.00">223</text>
</g>
<!-- N36 -->
<g id="node37" class="node"><title>N36</title>
<polygon fill="none" stroke="black" points="856,-241.5 722,-241.5 722,-200.5 856,-200.5 856,-241.5"/>
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v2.svg

xmlp.go

// example of parallel XML stream processing, using wikidata XML dump
package main

import (
	"encoding/xml"
	"flag"
	"fmt"
	"os"
	"runtime/pprof"
)

type Redirect struct {
	Title string `xml:"title,attr" json:"title"`
}

// A page as it occurs on Wikipedia
type Page struct {
	Title          string   `xml:"title" json:"title"`
	CanonicalTitle string   `xml:"ctitle" json:"ctitle"`
	Redir          Redirect `xml:"redirect" json:"redirect"`
	Text           string   `xml:"revision>text" json:"text"`
}

func main() {
	cpuprofile := flag.String("cpuprofile", "", "write cpu profile to file")

	flag.Parse()

	if *cpuprofile != "" {
		f, err := os.Create(*cpuprofile)
		if err != nil {
			fmt.Fprintln(os.Stderr, err)
		}
		pprof.StartCPUProfile(f)
		defer pprof.StopCPUProfile()
	}

	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Usage: %s WIKDATA-XML-FILE\n", os.Args[0])
		fmt.Fprintf(os.Stderr, "Find dumps under http://dumps.wikimedia.org/wikidatawiki/\n")
		flag.PrintDefaults()
	}

	if flag.NArg() < 1 {
		flag.Usage()
		os.Exit(1)
	}

	filename := flag.Args()[0]

	handle, err := os.Open(filename)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer handle.Close()

	decoder := xml.NewDecoder(handle)
	var inElement string
	var p Page

	for {
		// Read tokens from the XML document in a stream.
		t, _ := decoder.Token()
		if t == nil {
			break
		}
		// Inspect the type of the token just read.
		switch se := t.(type) {
		case xml.StartElement:
			// If we just read a StartElement token
			inElement = se.Name.Local
			// ...and its name is "page"
			if inElement == "page" {
				// decode a whole chunk of following XML into the
				// variable p which is a Page (se above)
				decoder.DecodeElement(&p, &se)
			}
		default:
		}
	}
}