def seed(self, seed=None):
"""Resets the state of the random number generator with a seed.
.. seealso::
:func:`cupy.random.seed` for full documentation,
:meth:`numpy.random.RandomState.seed
<numpy.random.mtrand.RandomState.seed>`
"""
if seed is None:
try:
seed_str = binascii.hexlify(os.urandom(8))
seed = int(seed_str, 16)
except NotImplementedError:
seed = (time.time() * 1000000) % _UINT64_MAX
else:
if isinstance(seed, numpy.ndarray):
seed = int(hashlib.md5(seed).hexdigest()[:16], 16)
else:
seed = int(
numpy.asarray(seed).astype(numpy.uint64, casting='safe'))
curand.setPseudoRandomGeneratorSeed(self._generator, seed)
if (self.method not in (curand.CURAND_RNG_PSEUDO_MT19937,
curand.CURAND_RNG_PSEUDO_MTGP32)):
curand.setGeneratorOffset(self._generator, 0)
self._rk_seed = seed
def __init__(self, seed=0):
rng = curand.createGenerator(curand.CURAND_RNG_PSEUDO_PHILOX4_32_10)
curand.setPseudoRandomGeneratorSeed(rng, seed)
if (args.use_common_seed):
self.offset = rank * lattice_slab_n * args.lattice_m // 2
curand.setGeneratorOffset(rng, self.offset)
self._rng = rng
def seed(self, seed=None):
"""Resets the state of the random number generator with a seed.
..seealso::
:func:`cupy.random.seed` for full documentation,
:meth:`numpy.random.RandomState.seed`
"""
if seed is None:
try:
seed_str = binascii.hexlify(os.urandom(8))
seed = numpy.uint64(int(seed_str, 16))
except NotImplementedError:
seed = numpy.uint64(time.clock() * 1000000)
else:
seed = numpy.uint64(seed)
curand.setPseudoRandomGeneratorSeed(self._generator, seed)
def seed(self, seed=None):
"""Resets the state of the random number generator with a seed.
..seealso::
:func:`cupy.random.seed` for full documentation,
:meth:`numpy.random.RandomState.seed`
"""
if seed is None:
try:
seed_str = binascii.hexlify(os.urandom(8))
seed = numpy.uint64(int(seed_str, 16))
except NotImplementedError:
seed = numpy.uint64(time.clock() * 1000000)
else:
seed = numpy.uint64(seed)
curand.setPseudoRandomGeneratorSeed(self._generator, seed)
def seed(self, seed=None):
"""Resets the state of the random number generator with a seed.
.. seealso::
:func:`cupy.random.seed` for full documentation,
:meth:`numpy.random.RandomState.seed`
"""
if seed is None:
try:
seed_str = binascii.hexlify(os.urandom(8))
seed = numpy.uint64(int(seed_str, 16))
except NotImplementedError:
seed = numpy.uint64(time.clock() * 1000000)
else:
if isinstance(seed, numpy.ndarray):
seed = int(hashlib.md5(seed).hexdigest()[:16], 16)
seed = numpy.asarray(seed).astype(numpy.uint64, casting='safe')
curand.setPseudoRandomGeneratorSeed(self._generator, seed)
curand.setGeneratorOffset(self._generator, 0)
self.rk_seed = numpy.uint64(seed)
