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Add parallel for tensorized gemm #2517

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Merged
merged 3 commits into from
Dec 3, 2019
Merged

Add parallel for tensorized gemm #2517

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83baaf8
add parallel for tensorize gemm
Dec 2, 2019
c0f1ef8
add option to control parallel
Dec 2, 2019
4350051
change to a more clean way to control
Dec 2, 2019
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20 changes: 18 additions & 2 deletions onnxruntime/core/providers/nuphar/compiler/x86/scheduler/tensorize_schedule.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -221,17 +221,25 @@ static Status TensorizeIGEMM(const tvm::Tensor& tensor,
tvm::IterVar zo, zi;
ctx_sched.schedule[tensor->op].split(z, kernel_shape[2], &zo, &zi);

tvm::Array<tvm::IterVar> fused_axis;
// Loop nest permutation
if (settings.HasOption(kNupharTensorize_IGEMM_Permute) &&
(settings.OptionMatches(kNupharTensorize_IGEMM_Permute, kNupharTensorize_IGEMM_Permute_All) ||
settings.OptionMatches(kNupharTensorize_IGEMM_Permute, kNupharTensorize_IGEMM_Permute_Outer))) {
ctx_sched.schedule[tensor->op].reorder({yo, xo, zo, xi, yi, zi});
fused_axis.push_back(yo);
fused_axis.push_back(xo);
} else {
// Loop nest default order
if (target_str == "avx")
if (target_str == "avx") {
ctx_sched.schedule[tensor->op].reorder({yo, xo, zo, xi, yi, zi});
else
fused_axis.push_back(yo);
fused_axis.push_back(xo);
} else {
ctx_sched.schedule[tensor->op].reorder({xo, yo, zo, xi, yi, zi});
fused_axis.push_back(yo);
fused_axis.push_back(xo);
}
}

// Natural vector width
Expand Down Expand Up @@ -274,6 +282,14 @@ static Status TensorizeIGEMM(const tvm::Tensor& tensor,
// Bind tensorization kernel
ctx_sched.schedule[tensor->op].tensorize(xi, igemm8bit.CreateTensorIntrin());

tvm::IterVar parallel_axis;
ctx_sched.schedule[tensor->op].fuse(fused_axis, &parallel_axis);

int64_t workloads_threshold = Promote<NupharCodeGenCtx>(&ctx_codegen)->GetCodeGenHandle()->parallel_min_workloads;
if (workloads_threshold > 0) {
ctx_sched.schedule[tensor->op].parallel(parallel_axis);
}

return Status::OK();
}

Expand Down