print 'Success'
if __name__=='__main__':
if (len(sys.argv) != 3):
print 'Usage: %s n dim\n where n is the number of threads and dim is the dimension of the matrix' % sys.argv[0]
sys.exit(1)
n = int(sys.argv[1])
DIM = int(sys.argv[2])
for i in range(DIM):
a.append([])
b.append([])
c.append(SHMLST([]))
for j in range(DIM):
a[i].append(i+j)
b[i].append(i+j)
c[i].append(SHMDBL(0))
stime = time.time()
for i in range(n):
rc = os.fork()
if rc == 0:
#print 'mm(%s,%s)' % (i, n)
mm(i,n)
sys.exit(0)
for i in range(n):
# Note that this also means that shared_list still has a length of 1. print 'len(shared_list) = %d' % len(shared_list) # We must still delete the reference from the list to free the shared # memory used for it. We do this with the delitem call, which we must # explicitly call for the same reasons as stated above for an explicit delete. # The delitem call also takes a 'shallow' parameter that acts just as the # one in delete. By default it is not shallow, and will truly delete the item. shared_list.delitem(0) # For lists and dictionaries, the delete call takes an optional named # parameter 'shallow' that will only delete the list and it's references, # but not the actual variables. By default, the delete calls are not shallow, # meaning every variable and sublist or subdictionary is also deleted recursively. a, b, c = SHMINT(1), SHMINT(2), SHMINT(3) for x in [a, b, c]: shared_list.append(x) print 'shared_list = %s' % shared_list # You can check the amount of memory available to you (in bytes) # at any time using the freecount method in the shmobj module. print 'freecount = %d' % shmobj.freecount() # So now let's say we (deep) delete shared_list. We should then see a # higher amount of available shared mem. shared_list.delete() print 'freecount after shared_list.delete() = %d' % shmobj.freecount() # Again, we see that a different local reference pointing to a # deleted shared memory value will return the python None object print 'a = %s' % a
errs += 1
if errs == 0:
print 'Success'
if __name__=='__main__':
if (len(sys.argv) != 3):
print 'Usage: %s n dim\n where n is the number of threads and dim is the dimension of the matrix' % sys.argv[0]
sys.exit(1)
n = int(sys.argv[1])
DIM = int(sys.argv[2])
for i in range(DIM):
a.append(SHMLST([]))
b.append(SHMLST([]))
c.append(SHMLST([]))
for j in range(DIM):
a[i].append(SHMDBL(i+j))
b[i].append(SHMDBL(i+j))
c[i].append(SHMDBL(0))
stime = time.time()
for i in range(n):
rc = os.fork()
if rc == 0:
#print 'mm(%s,%s)' % (i, n)
mm(i,n)
sys.exit(0)
