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[INTEL oneDNN] Disable oneDNN blocked format support #53288

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Merged
merged 1 commit into from
Dec 9, 2021
Merged

[INTEL oneDNN] Disable oneDNN blocked format support #53288

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18 changes: 4 additions & 14 deletions tensorflow/core/graph/mkl_graph_util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -88,22 +88,12 @@ bool inline DoesControlEdgeExist(const Node* src, const Node* dst) {
return false;
}

// Check if graph should run in layout-dependent mode or native format mode
// based on environment variable setting. Native format mode is default. User
// can set TF_ENABLE_MKL_NATIVE_FORMAT=0 to disable the native format mode.
// In TF 2.8, oneDNN blocked format will not be supported.
// TODO(intel_tf): Cleanup shall be done in future:
// (1) Remove this method;
// (2) Update related code wherever it is called.
bool inline NativeFormatEnabled() {
#ifndef ENABLE_MKL
return true;
#else
static bool native_fmt_enabled = true;
static absl::once_flag once;
absl::call_once(once, [&] {
TF_CHECK_OK(ReadBoolFromEnvVar("TF_ENABLE_MKL_NATIVE_FORMAT",
/*default_value*/ true,
&native_fmt_enabled));
});
return native_fmt_enabled;
#endif
}

// Check if the data_format attribute in the node def represents 5D tensor
Expand Down