f = open(fileName,'r') read, pols = recoverfile(save, f) if read: for line in f: pol = Polynomial(line) pols.append(pol) print len(pols) threads = [] i = 0 j = 1 print "starting...." for temp in range(0, len(pols)): if (j > len(pols)): j = len(pols) thread = ThreadCount(temp,lockScreen, lock, pols[i:j], save) i = j+1 j += 1 threads.append(thread) for thread in threads: thread.start() for current in threads: current.join()
def main(argv):
inputfile = ''
outputfile = ''
n_threads = 4
try:
opts, args = getopt.getopt(argv,"hi:o:t:",["ifile=","ofile=", "threads="])
except getopt.GetoptError:
print 'main.py -i <inputfile> -o <outputfile> -t <numberofthreads>'
sys.exit(2)
for opt, arg in opts:
print opt
if opt == '-h':
print 'main.py -i <inputfile> -o <outputfile> -t <numberofthreads>'
sys.exit()
elif opt in ("-i", "--ifile"):
inputfile = arg
elif opt in ("-o", "--ofile"):
outputfile = arg
elif opt in ("-t", "--threads"):
n_threads = int(arg)
try:
fi = open(inputfile,"r")
except IOError:
print 'Error to open the file'
print 'main.py -i <inputfile> -o <outputfile> -t <numberofthreads>'
sys.exit(2)
fl = open(outputfile,"a")
print 'Input file is "', inputfile
print 'Output file is "', outputfile
print "number of threds " + str(n_threads)
lock = threading.Lock()
lockScreen = threading.Lock()
files = [inputfile]
for fileName in files:
save = outputfile
f = open(fileName,'r')
read, pols = recoverfile(save, f)
if read:
for line in f:
try:
pol = Polynomial(line)
pols.append(pol)
except Exception as e:
print line
sys.exit(2)
print len(pols)
threads = []
si = int(math.ceil(float(len(pols))/float(n_threads)))
print "si + " + str(si)
if si == 0:
si = 1
i = 0
j = si
print "starting...."
for temp in range(0, n_threads):
if (j > len(pols)):
j = len(pols)
print "i = " + str(i)
print "j = " + str(j)
thread = ThreadCount(temp,lockScreen, lock, pols[i:j], save)
i = j
j += si
threads.append(thread)
for thread in threads:
thread.start()
for current in threads:
current.join()
print "Finished."