Exemple #1
0
if rank == 0:
    print "original array %s" % arr

# prepare copper exchanger

from exchanger_strategy import Exch_copper16

exch = Exch_copper16(comm, avg=False)

exch.prepare(ctx, drv, [shared_x])
exch.exchange()

if rank == 0:
    print "copper16 summation: %s" % shared_x.get_value()


# prepare ar exchanger

from exchanger_strategy import Exch_allreduce

exch = Exch_allreduce(comm, avg=False)

exch.prepare([shared_xx])

exch.exchange()

if rank == 0:
    print "ar summation: %s" % shared_xx.get_value()

clean_device(ctx=ctx)
Exemple #2
0
# device='gpu'+str(rank)

from test_exchanger import init_device, clean_device

drv, ctx, arr, shared_x, shared_xx = init_device(device=device)

if rank == 0: print 'original array %s' % arr

# prepare copper exchanger

from exchanger_strategy import Exch_copper
exch = Exch_copper(comm, avg=False)

exch.prepare(ctx, drv, [shared_x])
exch.exchange()

if rank == 0: print 'copper summation: %s' % shared_x.get_value()

# prepare ar exchanger

from exchanger_strategy import Exch_allreduce
exch = Exch_allreduce(comm, avg=False)

exch.prepare([shared_xx])

exch.exchange()

if rank == 0: print 'ar summation: %s' % shared_xx.get_value()

clean_device(ctx=ctx)