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kNN Classifications on a large dataset with different packages.
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goodlearn-knn-perf.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 2.36.0 (20140111.2315)
-->
<!-- Title: aaa; 3786 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>
<g id="viewport" transform="translate(0,0)">
<g id="viewport" class="graph" transform="scale(1 1) rotate(0) translate(4 2480)">
<title>aaa; 3786 samples</title>
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<text text-anchor="start" x="663" y="-2426.8" font-family="Times,serif" font-size="24.00">Total samples: 3786</text>
<text text-anchor="start" x="663" y="-2400.8" font-family="Times,serif" font-size="24.00">Focusing on: 3786</text>
<text text-anchor="start" x="663" y="-2374.8" font-family="Times,serif" font-size="24.00">Dropped nodes with &lt;= 18 abs(samples)</text>
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<text text-anchor="end" x="1142.5" y="-2396.1" font-family="Times,serif" font-size="8.00">of 3600 (95.1%)</text>
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<text text-anchor="end" x="1140.5" y="-2257.1" font-family="Times,serif" font-size="8.00">of 3337 (88.1%)</text>
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<text text-anchor="end" x="1342" y="-2257.1" font-family="Times,serif" font-size="8.00">of 254 (6.7%)</text>
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<text text-anchor="end" x="1367" y="-2160.74" font-family="Times,serif" font-size="17.20">128 (3.4%)</text>
<text text-anchor="end" x="1367" y="-2141.74" font-family="Times,serif" font-size="17.20">of 3335 (88.1%)</text>
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<text text-anchor="middle" x="1114" y="-2058.8" font-family="Times,serif" font-size="21.50">github.com/amitkgupta/goodlearn/data/dataset.(*inMemoryDataset).Row</text>
<text text-anchor="end" x="1429" y="-2034.8" font-family="Times,serif" font-size="21.50">278 (7.3%)</text>
<text text-anchor="end" x="1429" y="-2010.8" font-family="Times,serif" font-size="21.50">of 2621 (69.2%)</text>
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<!-- N3&#45;&gt;N4 -->
<g id="edge37" class="edge"><title>N3&#45;&gt;N4</title>
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<text text-anchor="end" x="765" y="-2022.24" font-family="Times,serif" font-size="22.20">307 (8.1%)</text>
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<text text-anchor="end" x="102.5" y="-2023" font-family="Times,serif" font-size="12.50">of 159 (4.2%)</text>
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<text text-anchor="end" x="1984.5" y="-2027.12" font-family="Times,serif" font-size="16.10">99 (2.6%)</text>
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<text text-anchor="end" x="1508.5" y="-1310.88" font-family="Times,serif" font-size="16.40">106 (2.8%)</text>
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<!-- N6&#45;&gt;N31 -->
<g id="edge21" class="edge"><title>N6&#45;&gt;N31</title>
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<text text-anchor="end" x="1070" y="-906.84" font-family="Times,serif" font-size="15.20">78 (2.1%)</text>
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<g id="edge31" class="edge"><title>N6&#45;&gt;N37</title>
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<!-- N7&#45;&gt;N5 -->
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<text text-anchor="end" x="1179" y="-1193.36" font-family="Times,serif" font-size="10.80">of 1153 (30.5%)</text>
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<!-- N8&#45;&gt;N9 -->
<g id="edge35" class="edge"><title>N8&#45;&gt;N9</title>
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<text text-anchor="end" x="1236" y="-578.7" font-family="Times,serif" font-size="26.00">of 844 (22.3%)</text>
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<!-- N9&#45;&gt;N10 -->
<g id="edge44" class="edge"><title>N9&#45;&gt;N10</title>
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<!-- N16 -->
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<text text-anchor="end" x="1076.5" y="-1094.14" font-family="Times,serif" font-size="11.70">of 295 (7.8%)</text>
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<!-- N9&#45;&gt;N16 -->
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<!-- N20 -->
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<text text-anchor="end" x="1142" y="-206.42" font-family="Times,serif" font-size="10.10">of 226 (6.0%)</text>
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<!-- N9&#45;&gt;N20 -->
<g id="edge32" class="edge"><title>N9&#45;&gt;N20</title>
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<text text-anchor="middle" x="881" y="-228.66" font-family="Times,serif" font-size="9.80">runtime.unlock</text>
<text text-anchor="end" x="912.5" y="-217.66" font-family="Times,serif" font-size="9.80">5 (0.1%)</text>
<text text-anchor="end" x="912.5" y="-206.66" font-family="Times,serif" font-size="9.80">of 171 (4.5%)</text>
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<!-- N9&#45;&gt;N23 -->
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<!-- N11 -->
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<text text-anchor="end" x="1167.5" y="-492.48" font-family="Times,serif" font-size="9.40">3 (0.1%)</text>
<text text-anchor="end" x="1167.5" y="-482.48" font-family="Times,serif" font-size="9.40">of 346 (9.1%)</text>
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<!-- N10&#45;&gt;N11 -->
<g id="edge46" class="edge"><title>N10&#45;&gt;N11</title>
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<!-- N12 -->
<g id="node13" class="node"><title>N12</title>
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<text text-anchor="end" x="1159" y="-392.96" font-family="Times,serif" font-size="8.80">of 332 (8.8%)</text>
</g>
<!-- N11&#45;&gt;N12 -->
<g id="edge28" class="edge"><title>N11&#45;&gt;N12</title>
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<!-- N11&#45;&gt;N20 -->
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<!-- N14 -->
<g id="node15" class="node"><title>N14</title>
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<text text-anchor="end" x="1155" y="-302.48" font-family="Times,serif" font-size="9.40">of 320 (8.5%)</text>
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<!-- N12&#45;&gt;N14 -->
<g id="edge38" class="edge"><title>N12&#45;&gt;N14</title>
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<!-- N14&#45;&gt;N20 -->
<g id="edge12" class="edge"><title>N14&#45;&gt;N20</title>
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<!-- N14&#45;&gt;N23 -->
<g id="edge22" class="edge"><title>N14&#45;&gt;N23</title>
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<!-- N51 -->
<g id="node52" class="node"><title>N51</title>
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<text text-anchor="end" x="1051.5" y="-204.06" font-family="Times,serif" font-size="11.80">of 29 (0.8%)</text>
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<!-- N14&#45;&gt;N51 -->
<g id="edge11" class="edge"><title>N14&#45;&gt;N51</title>
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<text text-anchor="end" x="1077.5" y="-1010.96" font-family="Times,serif" font-size="8.80">1 (0.0%)</text>
<text text-anchor="end" x="1077.5" y="-1000.96" font-family="Times,serif" font-size="8.80">of 196 (5.2%)</text>
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<!-- N16&#45;&gt;N22 -->
<g id="edge62" class="edge"><title>N16&#45;&gt;N22</title>
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</g>
<!-- N16&#45;&gt;N38 -->
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<text text-anchor="end" x="2233.5" y="-2027.96" font-family="Times,serif" font-size="8.80">of 254 (6.7%)</text>
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<text text-anchor="end" x="2174" y="-1903.1" font-family="Times,serif" font-size="8.00">of 168 (4.4%)</text>
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<!-- N17&#45;&gt;N24 -->
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<text text-anchor="end" x="2044" y="-1911.28" font-family="Times,serif" font-size="10.90">13 (0.3%)</text>
<text text-anchor="end" x="2044" y="-1899.28" font-family="Times,serif" font-size="10.90">of 85 (2.2%)</text>
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<!-- N17&#45;&gt;N36 -->
<g id="edge10" class="edge"><title>N17&#45;&gt;N36</title>
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<text text-anchor="middle" x="1683" y="-2172.1" font-family="Times,serif" font-size="8.00">main.main</text>
<text text-anchor="end" x="1706" y="-2163.1" font-family="Times,serif" font-size="8.00">0 (0.0%)</text>
<text text-anchor="end" x="1706" y="-2154.1" font-family="Times,serif" font-size="8.00">of 254 (6.7%)</text>
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<!-- N18&#45;&gt;N17 -->
<g id="edge59" class="edge"><title>N18&#45;&gt;N17</title>
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<!-- N19&#45;&gt;N18 -->
<g id="edge1" class="edge"><title>N19&#45;&gt;N18</title>
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<text text-anchor="middle" x="1511.5" y="-2220.3" font-family="Times,serif" font-size="14.00">254</text>
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<text text-anchor="end" x="1162.5" y="-110.52" font-family="Times,serif" font-size="15.60">88 (2.3%)</text>
</g>
<!-- N20&#45;&gt;N34 -->
<g id="edge33" class="edge"><title>N20&#45;&gt;N34</title>
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<!-- N39 -->
<g id="node40" class="node"><title>N39</title>
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<text text-anchor="end" x="1394" y="-120.72" font-family="Times,serif" font-size="9.10">2 (0.1%)</text>
<text text-anchor="end" x="1394" y="-110.72" font-family="Times,serif" font-size="9.10">of 65 (1.7%)</text>
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<!-- N20&#45;&gt;N39 -->
<g id="edge51" class="edge"><title>N20&#45;&gt;N39</title>
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<!-- N46 -->
<g id="node47" class="node"><title>N46</title>
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<text text-anchor="end" x="1293.5" y="-112.04" font-family="Times,serif" font-size="13.70">49 (1.3%)</text>
</g>
<!-- N20&#45;&gt;N46 -->
<g id="edge68" class="edge"><title>N20&#45;&gt;N46</title>
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<!-- N48 -->
<g id="node49" class="node"><title>N48</title>
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<text text-anchor="end" x="1031" y="-112.36" font-family="Times,serif" font-size="13.30">43 (1.1%)</text>
</g>
<!-- N20&#45;&gt;N48 -->
<g id="edge36" class="edge"><title>N20&#45;&gt;N48</title>
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<!-- N21 -->
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<text text-anchor="end" x="934.5" y="-9.4" font-family="Times,serif" font-size="19.50">201 (5.3%)</text>
</g>
<!-- N22&#45;&gt;N20 -->
<g id="edge65" class="edge"><title>N22&#45;&gt;N20</title>
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<!-- N22&#45;&gt;N23 -->
<g id="edge27" class="edge"><title>N22&#45;&gt;N23</title>
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<!-- N35 -->
<g id="node36" class="node"><title>N35</title>
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<text text-anchor="middle" x="890" y="-927.5" font-family="Times,serif" font-size="10.00">MHeap_AllocLocked</text>
<text text-anchor="end" x="935.5" y="-916.5" font-family="Times,serif" font-size="10.00">6 (0.2%)</text>
<text text-anchor="end" x="935.5" y="-905.5" font-family="Times,serif" font-size="10.00">of 87 (2.3%)</text>
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<!-- N22&#45;&gt;N35 -->
<g id="edge30" class="edge"><title>N22&#45;&gt;N35</title>
<path fill="none" stroke="black" d="M1008.76,-993.824C986.327,-979.879 955.103,-960.469 930.301,-945.052"/>
<polygon fill="black" stroke="black" points="931.822,-941.877 921.482,-939.57 928.127,-947.822 931.822,-941.877"/>
<text text-anchor="middle" x="980" y="-962.3" font-family="Times,serif" font-size="14.00">87</text>
</g>
<!-- N22&#45;&gt;N37 -->
<g id="edge61" class="edge"><title>N22&#45;&gt;N37</title>
<path fill="none" stroke="black" d="M1034.44,-993.824C1032,-981.351 1028.71,-964.506 1025.88,-950.056"/>
<polygon fill="black" stroke="black" points="1029.28,-949.197 1023.92,-940.055 1022.41,-950.541 1029.28,-949.197"/>
<text text-anchor="middle" x="1038" y="-962.3" font-family="Times,serif" font-size="14.00">57</text>
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<!-- N27 -->
<g id="node28" class="node"><title>N27</title>
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<text text-anchor="middle" x="881" y="-131.66" font-family="Times,serif" font-size="9.80">runtime.futexwakeup</text>
<text text-anchor="end" x="924.5" y="-120.66" font-family="Times,serif" font-size="9.80">5 (0.1%)</text>
<text text-anchor="end" x="924.5" y="-109.66" font-family="Times,serif" font-size="9.80">of 137 (3.6%)</text>
</g>
<!-- N23&#45;&gt;N27 -->
<g id="edge41" class="edge"><title>N23&#45;&gt;N27</title>
<path fill="none" stroke="black" d="M881,-199.316C881,-186.196 881,-168.705 881,-153.881"/>
<polygon fill="black" stroke="black" points="884.5,-153.659 881,-143.659 877.5,-153.659 884.5,-153.659"/>
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</g>
<!-- N23&#45;&gt;N48 -->
<g id="edge4" class="edge"><title>N23&#45;&gt;N48</title>
<path fill="none" stroke="black" d="M904.621,-199.316C922.311,-184.574 946.624,-164.313 965.578,-148.519"/>
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<!-- N25 -->
<g id="node26" class="node"><title>N25</title>
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<text text-anchor="middle" x="2126" y="-1805.26" font-family="Times,serif" font-size="10.30">encoding/csv.(*Reader).parseRecord</text>
<text text-anchor="end" x="2203" y="-1794.26" font-family="Times,serif" font-size="10.30">8 (0.2%)</text>
<text text-anchor="end" x="2203" y="-1783.26" font-family="Times,serif" font-size="10.30">of 168 (4.4%)</text>
</g>
<!-- N24&#45;&gt;N25 -->
<g id="edge54" class="edge"><title>N24&#45;&gt;N25</title>
<path fill="none" stroke="black" d="M2126,-1896.03C2126,-1878.1 2126,-1849.46 2126,-1827.76"/>
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<!-- N33 -->
<g id="node34" class="node"><title>N33</title>
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<text text-anchor="middle" x="2126" y="-1700.38" font-family="Times,serif" font-size="11.40">encoding/csv.(*Reader).parseField</text>
<text text-anchor="end" x="2207.5" y="-1687.38" font-family="Times,serif" font-size="11.40">18 (0.5%)</text>
<text text-anchor="end" x="2207.5" y="-1674.38" font-family="Times,serif" font-size="11.40">of 89 (2.4%)</text>
</g>
<!-- N25&#45;&gt;N33 -->
<g id="edge16" class="edge"><title>N25&#45;&gt;N33</title>
<path fill="none" stroke="black" d="M2126,-1776.25C2126,-1761.49 2126,-1740.98 2126,-1723.78"/>
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<!-- N43 -->
<g id="node44" class="node"><title>N43</title>
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<text text-anchor="middle" x="1978" y="-1697.72" font-family="Times,serif" font-size="9.10">runtime.growslice</text>
<text text-anchor="end" x="2010" y="-1687.72" font-family="Times,serif" font-size="9.10">2 (0.1%)</text>
<text text-anchor="end" x="2010" y="-1677.72" font-family="Times,serif" font-size="9.10">of 56 (1.5%)</text>
</g>
<!-- N25&#45;&gt;N43 -->
<g id="edge19" class="edge"><title>N25&#45;&gt;N43</title>
<path fill="none" stroke="black" d="M2100.31,-1776.3C2083.36,-1763.44 2060.56,-1746.43 2040,-1732 2031.85,-1726.28 2022.97,-1720.28 2014.56,-1714.69"/>
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<!-- N50 -->
<g id="node51" class="node"><title>N50</title>
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<text text-anchor="middle" x="1860" y="-1698.66" font-family="Times,serif" font-size="9.80">runtime.slicebytetostring</text>
<text text-anchor="end" x="1911.5" y="-1687.66" font-family="Times,serif" font-size="9.80">5 (0.1%)</text>
<text text-anchor="end" x="1911.5" y="-1676.66" font-family="Times,serif" font-size="9.80">of 31 (0.8%)</text>
</g>
<!-- N25&#45;&gt;N50 -->
<g id="edge43" class="edge"><title>N25&#45;&gt;N50</title>
<path fill="none" stroke="black" d="M2076.59,-1776.5C2032.03,-1758.91 1966.43,-1733.01 1919.1,-1714.33"/>
<polygon fill="black" stroke="black" points="1920.18,-1710.99 1909.6,-1710.58 1917.61,-1717.5 1920.18,-1710.99"/>
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<!-- N29 -->
<g id="node30" class="node"><title>N29</title>
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<text text-anchor="middle" x="57" y="-1928.04" font-family="Times,serif" font-size="16.20">itab</text>
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<text text-anchor="end" x="102.5" y="-1892.04" font-family="Times,serif" font-size="16.20">of 128 (3.4%)</text>
</g>
<!-- N26&#45;&gt;N29 -->
<g id="edge14" class="edge"><title>N26&#45;&gt;N29</title>
<path fill="none" stroke="black" d="M57,-2014.8C57,-1997.95 57,-1975.08 57,-1955.48"/>
<polygon fill="black" stroke="black" points="60.5001,-1955.29 57,-1945.29 53.5001,-1955.29 60.5001,-1955.29"/>
<text text-anchor="middle" x="67.5" y="-1970.3" font-family="Times,serif" font-size="14.00">128</text>
</g>
<!-- N27&#45;&gt;N21 -->
<g id="edge55" class="edge"><title>N27&#45;&gt;N21</title>
<path fill="none" stroke="black" d="M881,-102.109C881,-90.1173 881,-74.5122 881,-60.5562"/>
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<g id="node29" class="node"><title>N28</title>
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<text text-anchor="middle" x="747" y="-130.1" font-family="Times,serif" font-size="8.00">System</text>
<text text-anchor="end" x="770" y="-121.1" font-family="Times,serif" font-size="8.00">0 (0.0%)</text>
<text text-anchor="end" x="770" y="-112.1" font-family="Times,serif" font-size="8.00">of 128 (3.4%)</text>
</g>
<!-- N28&#45;&gt;N21 -->
<g id="edge7" class="edge"><title>N28&#45;&gt;N21</title>
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<g id="node31" class="node"><title>N30</title>
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<text text-anchor="middle" x="747" y="-30.4" font-family="Times,serif" font-size="17.00">ExternalCode</text>
<text text-anchor="end" x="793.5" y="-11.4" font-family="Times,serif" font-size="17.00">122 (3.2%)</text>
</g>
<!-- N28&#45;&gt;N30 -->
<g id="edge13" class="edge"><title>N28&#45;&gt;N30</title>
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<g id="node55" class="node"><title>N54</title>
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<text text-anchor="end" x="106.5" y="-1787.32" font-family="Times,serif" font-size="12.10">25 (0.7%)</text>
</g>
<!-- N29&#45;&gt;N54 -->
<g id="edge69" class="edge"><title>N29&#45;&gt;N54</title>
<path fill="none" stroke="black" d="M57,-1882.79C57,-1864.6 57,-1841.67 57,-1824.25"/>
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<g id="node53" class="node"><title>N52</title>
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<text text-anchor="end" x="2334.5" y="-1587.42" font-family="Times,serif" font-size="10.10">7 (0.2%)</text>
<text text-anchor="end" x="2334.5" y="-1576.42" font-family="Times,serif" font-size="10.10">of 28 (0.7%)</text>
</g>
<!-- N33&#45;&gt;N52 -->
<g id="edge20" class="edge"><title>N33&#45;&gt;N52</title>
<path fill="none" stroke="black" d="M2161.72,-1666.27C2185.3,-1651.26 2216.22,-1631.59 2240.53,-1616.12"/>
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<g id="node54" class="node"><title>N53</title>
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<text text-anchor="middle" x="2121" y="-1598.26" font-family="Times,serif" font-size="10.30">encoding/csv.(*Reader).readRune</text>
<text text-anchor="end" x="2192" y="-1587.26" font-family="Times,serif" font-size="10.30">8 (0.2%)</text>
<text text-anchor="end" x="2192" y="-1576.26" font-family="Times,serif" font-size="10.30">of 28 (0.7%)</text>
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<!-- N33&#45;&gt;N53 -->
<g id="edge23" class="edge"><title>N33&#45;&gt;N53</title>
<path fill="none" stroke="black" d="M2124.84,-1666.27C2124.15,-1652.71 2123.26,-1635.34 2122.52,-1620.71"/>
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<text text-anchor="middle" x="2130" y="-1636.3" font-family="Times,serif" font-size="14.00">28</text>
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<g id="node42" class="node"><title>N41</title>
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<text text-anchor="middle" x="954" y="-835.1" font-family="Times,serif" font-size="8.00">MHeap_Reclaim</text>
<text text-anchor="end" x="981.5" y="-826.1" font-family="Times,serif" font-size="8.00">0 (0.0%)</text>
<text text-anchor="end" x="981.5" y="-817.1" font-family="Times,serif" font-size="8.00">of 59 (1.6%)</text>
</g>
<!-- N35&#45;&gt;N41 -->
<g id="edge56" class="edge"><title>N35&#45;&gt;N41</title>
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</g>
<!-- N35&#45;&gt;N51 -->
<g id="edge9" class="edge"><title>N35&#45;&gt;N51</title>
<path fill="none" stroke="black" d="M890,-898.205C890,-880.169 890,-852.795 890,-829 890,-829 890,-829 890,-314 890,-285.287 912.056,-263.744 936.593,-248.661"/>
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<g id="edge66" class="edge"><title>N36&#45;&gt;N43</title>
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Raw
goodlearn-knn.go
package main
import (
"fmt"
"github.com/amitkgupta/goodlearn/classifier/knn"
"github.com/amitkgupta/goodlearn/csvparse"
"github.com/amitkgupta/goodlearn/data/row"
"runtime"
"flag"
"log"
"os"
"runtime/pprof"
)
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
runtime.GOMAXPROCS(runtime.NumCPU())
println("parsing test")
validationSample, _ := csvparse.DatasetFromPath("many_features_test.csv", 0, 1)
println("parsed test")
println("parsing training")
trainingSample, _ := csvparse.DatasetFromPath("many_features_training.csv", 0, 1)
println("parsed training")
c, _ := knn.NewKNNClassifier(1)
c.Train(trainingSample)
var totalCorrect float32 = 0
successChannel := make(chan float32, 10000) //len(validationSample))
for i := 0; i < 10000; i++ {
test, _ := validationSample.Row(i)
go func(t row.Row, j int) {
if j%5 == 0 {
println("classifying", j)
}
cl, _ := c.Classify(test)
if cl.Equals(test.Target()) {
successChannel <- 1
} else {
successChannel <- 0
}
if j%5 == 0 {
println("classified", j)
}
}(test, i)
}
for i := 0; i < 10000; i++ { //len(validationSample); i++ {
totalCorrect += <-successChannel
}
fmt.Println(float32(totalCorrect)) // / float32(len(validationSample)))
}
// Takes about 50s on the beefy machine, *with* goodlearn optimized
// - replace math.Pow(x,2) with x*x in distance.go
// - SliceFromStrings was super slow, but assuming contiguous features and all of them are floats, much faster
// Outputs unreasonable answer: 10000
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raw-go-knn-perf.svg
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Raw
raw-go-knn.go
package main
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"log"
"math"
"os"
"runtime"
"runtime/pprof"
"strconv"
)
type LabelWithFeatures struct {
Label []byte
Features []float64
}
func NewLabelWithFeatures(parsedLine [][]byte) LabelWithFeatures {
label := parsedLine[0]
features := make([]float64, len(parsedLine)-1)
for i, feature := range parsedLine {
// skip label
if i == 0 {
continue
}
features[i-1] = byteSliceTofloat64(feature)
}
return LabelWithFeatures{label, features}
}
var newline = []byte("\n")
var comma = []byte(",")
func byteSliceTofloat64(b []byte) float64 {
x, _ := strconv.ParseFloat(string(b), 32)
return float64(x)
}
func parseCSVFile(filePath string) []LabelWithFeatures {
fileContent, _ := ioutil.ReadFile(filePath)
lines := bytes.Split(fileContent, newline)
numRows := len(lines)
labelsWithFeatures := make([]LabelWithFeatures, numRows-2)
for i, line := range lines {
// skip headers
if i == 0 || i == numRows-1 {
continue
}
labelsWithFeatures[i-1] = NewLabelWithFeatures(bytes.Split(line, comma))
}
return labelsWithFeatures
}
func squareDistanceWithBailout(features1, features2 []float64, bailout float64) (d float64) {
for i := 0; i < len(features1); i++ {
x := features1[i] - features2[i]
d += x * x
if d > bailout {
break
}
}
return
}
var trainingSample = parseCSVFile("many_features_training.csv")
func classify(features []float64) (label []byte) {
label = trainingSample[0].Label
d := squareDistanceWithBailout(features, trainingSample[0].Features, math.MaxFloat32)
for _, row := range trainingSample {
dNew := squareDistanceWithBailout(features, row.Features, d)
if dNew < d {
label = row.Label
d = dNew
}
}
return
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
runtime.GOMAXPROCS(runtime.NumCPU())
println("parsing test")
validationSample := parseCSVFile("many_features_test.csv")
println("parsed test")
var totalCorrect float64 = 0
successChannel := make(chan float64, 10000) //len(validationSample))
for i := 0; i < 10000; i++ {
test := validationSample[i]
go func(t LabelWithFeatures, j int) {
if j%5 == 0 {
println("classifying", j)
}
if string(t.Label) == string(classify(t.Features)) {
successChannel <- 1
} else {
successChannel <- 0
}
if j%5 == 0 {
println("classified", j)
}
}(test, i)
}
for i := 0; i < 10000; i++ { //len(validationSample); i++ {
totalCorrect += <-successChannel
}
fmt.Println(float64(totalCorrect)) // / float64(len(validationSample)))
}
// Runs in about 10s on the beefy machine
// Has some reasonable number of correct, like 98k
Raw
scikit-knn.py
import numpy
from sklearn.neighbors import KNeighborsClassifier
f = open("many_features_test.csv")
f.readline() # ignore headers
test = numpy.loadtxt(f, delimiter=',')
ff = open("many_features_training.csv")
ff.readline() # ignore headers
training = numpy.loadtxt(ff, delimiter=',')
knn = KNeighborsClassifier(n_neighbors=1)
knn.fit(training[:, [1,128]], numpy.ravel(training[:, [0]]))
numpy.sum(knn.predict(test[:, [1,128]]) == numpy.ravel(test[:, [0]]))
# Lightning fast, but...
# Something shitty, like 534 (out of ~43000)
knn = KNeighborsClassifier(n_neighbors=1, algorithm='brute')
knn.fit(training[:, [1,128]], numpy.ravel(training[:, [0]]))
numpy.sum(knn.predict(test[:, [1,128]]) == numpy.ravel(test[:, [0]]))
# Takes a while, and then...
# Something shittier, like MemoryError
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