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#pragma once
#include <ATen/Config.h>
#include <torch/csrc/jit/ir/ir.h>
#include <torch/csrc/jit/passes/pass_manager.h>
namespace torch::jit {
namespace fuser::onednn {
static std::atomic<bool> onednn_enabled{false};
static std::atomic<bool>& getLlgaEnabled() {
return onednn_enabled;
}
C10_EXPORT void fuseGraph(std::shared_ptr<Graph>& g);
} // namespace fuser::onednn
struct C10_EXPORT RegisterLlgaFuseGraph
: public PassManager<RegisterLlgaFuseGraph> {
static bool setEnabled(bool enabled) {
TORCH_CHECK(
AT_MKLDNN_ENABLED(),
"Running oneDNN Graph fuser is only supported with MKLDNN builds.");
bool oldState = fuser::onednn::getLlgaEnabled();
fuser::onednn::getLlgaEnabled() = enabled;
if (enabled) {
registerPass(fuser::onednn::fuseGraph);
} else {
clearPass();
}
return oldState;
}
static bool isEnabled() {
return fuser::onednn::getLlgaEnabled();
}
// override PassManager::registerPass to register pre-pass
static bool registerPass(GraphPass p) {
if (!isRegistered()) {
passID(registerPrePass(std::move(p)), true);
isRegistered(true);
return false;
}
return true;
}
// override PassManager::clearPass to clear pre-pass
static void clearPass() {
if (isRegistered()) {
clearPrePass(passID());
isRegistered(true);
}
}
};
} // namespace torch::jit
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