Eli Bendersky eliben

eliben / gist:1734923

Created February 4, 2012 03:20

AST for parsing Duff's device with pycparser

eliben / factor_server.py

Created May 27, 2012 02:57

factor_server

	import multiprocessing
	from multiprocessing.managers import SyncManager
	import Queue
	import time
	from factorize import factorize_naive
	from eblib.utils import Timer

	IP = '192.168.1.102'
	PORTNUM = 55444
	AUTHKEY = 'shufflin'

eliben / gist:2944722

Created June 17, 2012 14:42

Timer utility


	class Timer(object):
	def __init__(self, name=None):
	self.name = name

	def __enter__(self):
	self.tstart = time.time()

	def __exit__(self, type, value, traceback):
	if self.name:

eliben / templatelexer.py

Created August 8, 2012 09:33

initial attempt implementing the go template lexer in Python

	from collections import namedtuple


	TOK_TEXT = 'TOK_TEXT'
	TOK_LEFT_META = 'TOK_LEFT_META'
	TOK_RIGHT_META = 'TOK_RIGHT_META'
	TOK_DUMMY = 'TOK_DUMMY'


	# A token has

eliben / gist:3314190

Created August 10, 2012 13:23

ROLE_REGEX for my Python plugin article

	# Regex for matching/capturing role text.
	# E.g. :name:`text` - first capture group is "name", second group is "text"
	#
	ROLE_REGEX = re.compile(r':(\w+):`([^`]*)`')

eliben / gist:5303842

Created April 3, 2013 18:29

eliben / LLVM component layers

Created April 9, 2013 18:40

eliben / gist:5797351

Created June 17, 2013 14:36

Generic regex-based lexer in Python

	#-------------------------------------------------------------------------------
	# lexer.py
	#
	# A generic regex-based Lexer/tokenizer tool.
	# See the if __main__ section in the bottom for an example.
	#
	# Eli Bendersky ([email protected])
	# This code is in the public domain
	# Last modified: August 2010
	#-------------------------------------------------------------------------------

eliben / gist:6202493

Last active December 20, 2015 22:09

	import io
	from test.support import import_fresh_module

	import csv

	csv_other = import_fresh_module('csv', fresh=['_csv', 'csv'])

	f = io.StringIO('foo\x00,bar\nbaz,42')
	reader = csv.reader(f)

eliben / Loop benchmark

Last active December 30, 2015 03:39

C benchmark demonstrating bizarre performance behavior of Intel CPUs

	const unsigned N = 400 * 1000 * 1000;

	volatile unsigned long long counter = 0;

	// Don't inline the benchmarking code into main
	void __attribute__((noinline)) tightloop();
	void __attribute__((noinline)) loop_with_extra_call();

	void tightloop() {
	unsigned j;