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Fix MWC unit test (prior to porting it)

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This commit is contained in:
Steven Robertson 2014-12-25 13:22:01 -08:00
parent f39563b507
commit 49ccf75c5f
1 changed files with 6 additions and 6 deletions
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12
cuburn/code/mwc.py
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@ -102,14 +102,14 @@ def test_mwc(rounds=5000, nblocks=64, blockwidth=512):
print "Trial %d, on CPU: " % trial,
sums = np.zeros(nthreads, dtype=np.uint64)
ctime = time.time()
mults = seeds[0].astype(np.uint64)
states = seeds[1]
carries = seeds[2]
mults = seeds[:,0].astype(np.uint64)
states = seeds[:,1]
carries = seeds[:,2]
for i in range(rounds):
step = np.frombuffer((mults * states + carries).data,
dtype=np.uint32).reshape((2, nthreads), order='F')
states[:] = step[0]
carries[:] = step[1]
dtype=np.uint32).reshape((nthreads, 2))
states[:] = step[:,0]
carries[:] = step[:,1]
sums += states
ctime = time.time() - ctime