# This is for documentation not to depend on the availability of pygpu
from .type import (GpuArrayType, GpuArrayVariable, GpuArrayConstant,
GpuArraySharedVariable, gpuarray_shared_constructor,
reg_context, get_context, ContextNotDefined, _get_props)
from .basic_ops import as_gpuarray_variable
from . import fft, dnn, opt, nerv, extra_ops, multinomial, reduction
def transfer(x, target):
try:
get_context(target)
return as_gpuarray_variable(x, target)
except ContextNotDefined:
pass
register_transfer(transfer)
def init_dev(dev, name=None):
global pygpu_activated
if (pygpu.version.major, pygpu.version.minor) < (0, 6):
raise ValueError("Your installed version of pygpu is too old, please upgrade to 0.6 or later")
if dev not in init_dev.devmap:
ctx = pygpu.init(dev,
disable_alloc_cache=config.gpuarray.preallocate < 0,
single_stream=config.gpuarray.single_stream,
sched=config.gpuarray.sched)
init_dev.devmap[dev] = ctx
if config.gpuarray.preallocate < 0:
print("Disabling allocation cache on %s" % (dev,))
elif config.gpuarray.preallocate > 0:
from .type import (GpuArrayType, GpuArrayVariable, GpuArrayConstant,
GpuArraySharedVariable, gpuarray_shared_constructor,
reg_context, get_context, ContextNotDefined)
from .basic_ops import as_gpuarray_variable
from . import dnn, opt, nerv
def transfer(x, target):
try:
get_context(target)
return as_gpuarray_variable(x, target)
except ContextNotDefined:
pass
register_transfer(transfer)
def init_dev(dev, name=None):
v = pygpu.gpuarray.api_version()
if v[0] != -10000:
raise RuntimeError(
"Wrong major API version for gpuarray:", v[0],
"Make sure Theano and libgpuarray/pygpu "
"are in sync.")
if v[1] < 0:
raise RuntimeError("Wrong minor API version for gpuarray:", v[1],
"Please update libgpuarray/pygpu.")
global pygpu_activated
if dev not in init_dev.devmap:
ctx = pygpu.init(dev)