Exemplo n.º 1
0
 def run_complex_reduce_test(self,
                             shape,
                             axis,
                             n,
                             op='sum',
                             dtype=np.complex64):
     a = ((np.random.random(size=shape)*2-1)*127).astype(np.int8).astype(dtype) \
         + 1j*((np.random.random(size=shape)*2-1)*127).astype(np.int8).astype(dtype)
     if op[:3] == 'pwr':
         b_gold = pwrscrunch(a.astype(np.complex64), n, axis,
                             NP_OPS[op[3:]]).astype(np.float32)
     else:
         b_gold = scrunch(a.astype(np.complex64), n, axis, NP_OPS[op])
     a = bf.asarray(a, space='cuda')
     b = bf.empty_like(b_gold, space='cuda')
     bf.reduce(a, b, op)
     #for _ in xrange(10):
     #    bf.reduce(a, b, op)
     #bf.device.stream_synchronize();
     #t0 = time.time()
     #nrep = 30
     #for _ in xrange(nrep):
     #    bf.reduce(a, b, op)
     #bf.device.stream_synchronize();
     #dt = time.time() - t0
     #print nrep * (a.nbytes + b.nbytes) / dt / 1e9, 'GB/s', shape, axis, n, dtype
     b = b.copy('system')
     np.testing.assert_allclose(b,
                                b_gold,
                                rtol=1e-3 if op[:3] == 'pwr' else 1e-7)
Exemplo n.º 2
0
 def run_reduce_test(self, shape, axis, n, op='sum', dtype=np.float32):
     a = ((np.random.random(size=shape) * 2 - 1) * 127).astype(
         np.int8).astype(dtype)
     if op[:3] == 'pwr':
         b_gold = pwrscrunch(a.astype(np.float32), n, axis, NP_OPS[op[3:]])
     else:
         b_gold = scrunch(a.astype(np.float32), n, axis, NP_OPS[op])
     a = bf.asarray(a, space='cuda_managed')
     b = bf.empty_like(b_gold, space='cuda_managed')
     bf.reduce(a, b, op)
     stream_synchronize()
     np.testing.assert_allclose(b, b_gold)
Exemplo n.º 3
0
 def on_data(self, ispan, ospan):
     idata, odata = ispan.data, ospan.data
     bf.reduce(idata, odata, self.op)