jdbrice
9/6/2016 - 3:40 PM

Python example of multiprocessing lib. This is for Glauber but decently simple example for anything

Python example of multiprocessing lib. This is for Glauber but decently simple example for anything

multiprocessing_example.py
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import subprocess as sp
import os
from multiprocessing import Pool, Queue


def nbd( npp, k ) :
	cmd_template = """root4star -b -q 'macros/doNbdFitMaker.C("all_mb_fit_center_{npp}_{k}.root", 1000000, "all_mb.root", "hNCollNPart/hNCollNPart_nominal.root", "B_hRefMult_center", 50, {npp}, {k}, 0.12, 0.05, 1.0, 0 )'"""
	print cmd_template.format( npp=npp, k=k )
	os.system( cmd_template.format( npp=npp, k=k ) )
def rnbd( args ) :
	return nbd( *args )


if __name__ == '__main__':
	args = []

	i = 0
	for iNpp in xrange( 80, 120, 2 ) :
		npp = iNpp / 100.0
		for iK in xrange( 50, 350, 50 ) :
			k = iK / 100.0
			# nbd( npp, k )
			args.append( (npp, k) )

	p = Pool(4)
	p.map( rnbd, args )