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Propagate intra_op_parallelism_threads from SessionOptions to xla::LocalClientOptions #30996

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merged 2 commits into from Jul 26, 2019
Merged

Propagate intra_op_parallelism_threads from SessionOptions to xla::LocalClientOptions #30996

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f286d16
Propagate intra_op_parallelism_threads from SessionOptions to xla::Lo…
plopresti Jul 24, 2019
623c35d
Merge branch 'master' into num_threads
plopresti Jul 24, 2019
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7 changes: 6 additions & 1 deletion tensorflow/compiler/jit/xla_device.cc
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Expand Up @@ -203,6 +203,7 @@ XlaDevice::XlaDevice(const SessionOptions& session_options,
device_ordinal_(options.device_ordinal),
jit_device_name_(options.compilation_device_name),
platform_(options.platform),
intra_op_parallelism_threads_(session_options.config.intra_op_parallelism_threads()),
use_multiple_streams_(options.use_multiple_streams),
shape_representation_fn_(options.shape_representation_fn),
allowed_devices_(options.allowed_devices) {
Expand Down Expand Up @@ -233,9 +234,13 @@ xla::LocalClient* XlaDevice::client() const {
// don't want to do it until we get a chance to hook the platform up
// to a simulator.

xla::LocalClientOptions options;
options.set_platform(platform_)
.set_allowed_devices(allowed_devices_)
.set_intra_op_parallelism_threads(intra_op_parallelism_threads_);
// TODO(b/78468222): This can fail, at least when the backend is GPU and
// there is no GPU on the host.
return xla::ClientLibrary::GetOrCreateLocalClient(platform_, allowed_devices_)
return xla::ClientLibrary::GetOrCreateLocalClient(options)
.ValueOrDie();
}

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2 changes: 2 additions & 0 deletions tensorflow/compiler/jit/xla_device.h
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Expand Up @@ -202,6 +202,8 @@ class XlaDevice : public LocalDevice {
const DeviceType jit_device_name_;
// The platform for this device.
se::Platform* const platform_; // Not owned.
// Intra-op threads to spawn (from SessionOptions).
const int intra_op_parallelism_threads_;
// Memory allocator associated with this device.
Allocator* xla_allocator_ GUARDED_BY(mu_) = nullptr; // Not owned.

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