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[PIR] Add AMP logic for manual API fused_gemm_epilogue #68655

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Merged
merged 2 commits into from
Oct 14, 2024
Merged

[PIR] Add AMP logic for manual API fused_gemm_epilogue #68655

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[PIR] Add AMP logic for manual API `fused_gemm_epilogue`
SigureMo Oct 12, 2024
3c5d4eb
add missing amp headers
SigureMo Oct 12, 2024
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33 changes: 33 additions & 0 deletions paddle/fluid/pir/dialect/operator/ir/manual_api.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@
// limitations under the License.

#include "paddle/fluid/pir/dialect/operator/ir/manual_api.h"
#include "paddle/fluid/imperative/amp_auto_cast.h"
#include "paddle/fluid/imperative/amp_utils.h"
#include "paddle/fluid/pir/dialect/distributed/ir/dist_tools.h"
#include "paddle/fluid/pir/dialect/distributed/ir/dist_type.h"
#include "paddle/fluid/pir/dialect/operator/ir/api_builder.h"
Expand Down Expand Up @@ -279,6 +281,33 @@ std::tuple<pir::Value, pir::Value> fused_gemm_epilogue(pir::Value x,
bool trans_x,
bool trans_y,
std::string activation) {
// AMP Logic
if (egr::Controller::Instance().GetCurrentAmpAttrs()->GetAmpLevel() !=
paddle::imperative::AmpLevel::O0) {
VLOG(5) << "Check and Prepare For AMP: fused_gemm_epilogue";
auto op_name = phi::TransToFluidOpName("fused_gemm_epilogue");
paddle::small_vector<std::vector<pir::Value>, egr::kSlotSmallVectorSize>
amp_values_vector = {{x}, {y}, {bias}};
auto amp_dst_dtype =
paddle::imperative::GetAmpDestDtype(op_name, amp_values_vector);
auto new_x =
paddle::imperative::AmpAutoCast("x", x, amp_dst_dtype, op_name);
auto new_y =
paddle::imperative::AmpAutoCast("y", y, amp_dst_dtype, op_name);
auto new_bias =
paddle::imperative::AmpAutoCast("bias", bias, amp_dst_dtype, op_name);

{
paddle::imperative::AutoCastGuard guard(
egr::Controller::Instance().GetCurrentAmpAttrs(),
paddle::imperative::AmpLevel::O0);
return paddle::dialect::fused_gemm_epilogue(
new_x, new_y, new_bias, trans_x, trans_y, activation);
}
}

// Type Promotion Logic
VLOG(5) << " No Type Promotion for fused_gemm_epilogue api. ";
pir::IrContext* ctx = pir::IrContext::Instance();
pir::AttributeMap attribute_map = {
{"trans_x", pir::BoolAttribute::get(ctx, trans_x)},
Expand All @@ -289,6 +318,10 @@ std::tuple<pir::Value, pir::Value> fused_gemm_epilogue(pir::Value x,
.GetBuilder()
->Build<paddle::dialect::FusedGemmEpilogueOp>(
x, y, bias, attribute_map);
if (!egr::Controller::Instance().HasGrad()) {
SetStopGradient(fused_gemm_epilogue_op.result(0),
fused_gemm_epilogue_op.result(1));
}
return std::make_tuple(fused_gemm_epilogue_op.result(0),
fused_gemm_epilogue_op.result(1));
}
Expand Down