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refine and replace lstm peephole kernel

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fix-readmd
tensor-tang 7 years ago
parent 7ef2699e18
commit 8e182170ba
3 changed files with 181 additions and 297 deletions
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347
paddle/fluid/operators/fusion_lstm_op.cc
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7
paddle/fluid/operators/math/jit_kernel.h
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@ -126,7 +126,14 @@ template <typename T>
class LSTMKernel : public Kernel {
public:
virtual void ComputeCtHt(T *gates, const T *ct_1, T *ct, T *ht,
/* below only used in peephole*/
const T *wp_data = nullptr,
T *checked = nullptr) const = 0;
// compute c1 and h1 without c0 or h0
virtual void ComputeC1H1(T *gates, T *ct, T *ht,
/* below only used in peephole*/
const T *wp_data = nullptr) const = 0;
};
} // namespace jitkernel

124
paddle/fluid/operators/math/jit_kernel_lstm.cc
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@ -82,6 +82,26 @@ __m256 AVXActImpl<kIdentity>::Compute(__m256 x) const {
}
#endif
template <typename T>
static std::shared_ptr<const VActKernel<T>> GetActKernel(
const std::string& type, int n) {
if (type == "sigmoid") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VSigmoidKernel<T>>(n));
} else if (type == "relu") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VReluKernel<T>>(n));
} else if (type == "tanh") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VTanhKernel<T>>(n));
} else if (type == "identity" || type == "") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VIdentityKernel<T>>(n));
}
PADDLE_THROW("Not support type: %s", type);
return nullptr;
}
/* LSTM JitKernel */
template <typename T, jit::cpu_isa_t isa, jit_block>
class LSTMKernelImpl : public LSTMKernel<T> {
@ -93,26 +113,10 @@ class LSTMKernelImpl : public LSTMKernel<T> {
d_ = d;
d2_ = d * 2;
d3_ = d * 3;
auto GetActKernel = [&](const std::string& type,
int n) -> std::shared_ptr<const VActKernel<T>> {
if (type == "sigmoid") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VSigmoidKernel<T>>(n));
} else if (type == "relu") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VReluKernel<T>>(n));
} else if (type == "tanh") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VTanhKernel<T>>(n));
} else if (type == "identity" || type == "") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VIdentityKernel<T>>(n));
}
PADDLE_THROW("Not support type: %s", type);
};
act_gate_3d_ = GetActKernel(act_gate, d * 3);
act_cand_d_ = GetActKernel(act_cand, d);
act_cell_d_ = GetActKernel(act_cell, d);
act_gate_d3_ = GetActKernel<T>(act_gate, d3_);
act_gate_d_ = GetActKernel<T>(act_gate, d);
act_cand_d_ = GetActKernel<T>(act_cand, d);
act_cell_d_ = GetActKernel<T>(act_cell, d);
vmul_d_ = KernelPool::Instance().template Get<VMulKernel<T>>(d);
vadd_d_ = KernelPool::Instance().template Get<VAddKernel<T>>(d);
#ifdef __AVX__
@ -134,10 +138,10 @@ class LSTMKernelImpl : public LSTMKernel<T> {
#endif
}
void ComputeCtHt(T* gates, const T* ct_1, T* ct, T* ht,
void ComputeCtHt(T* gates, const T* ct_1, T* ct, T* ht, const T* wp_data,
T* checked) const override {
// gates: W_ch, W_ih, W_fh, W_oh
act_gate_3d_->Compute(gates + d_, gates + d_);
act_gate_d3_->Compute(gates + d_, gates + d_);
/* C_t = C_t-1 * fgated + cand_gated * igated */
act_cand_d_->Compute(gates, gates);
@ -149,10 +153,21 @@ class LSTMKernelImpl : public LSTMKernel<T> {
act_cell_d_->Compute(ct, gates + d2_);
vmul_d_->Compute(gates + d2_, gates + d3_, ht);
}
void ComputeC1H1(T* gates, T* ct, T* ht, const T* wp_data) const override {
/* C_t = igated * cgated*/
act_gate_d_->Compute(gates + d_, gates + d_);
act_cand_d_->Compute(gates, gates);
vmul_d_->Compute(gates, gates + d_, ct);
/* H_t = act_cell(C_t) * ogated */
act_gate_d_->Compute(gates + d3_, gates + d3_);
act_cell_d_->Compute(ct, gates + d2_);
vmul_d_->Compute(gates + d2_, gates + d3_, ht);
}
private:
int d_, d2_, d3_;
std::shared_ptr<const VActKernel<T>> act_gate_3d_, act_cand_d_, act_cell_d_;
std::shared_ptr<const VActKernel<T>> act_gate_d3_, act_gate_d_, act_cand_d_,
act_cell_d_;
std::shared_ptr<const VMulKernel<T>> vmul_d_;
std::shared_ptr<const VAddKernel<T>> vadd_d_;
#ifdef __AVX__
@ -163,8 +178,8 @@ class LSTMKernelImpl : public LSTMKernel<T> {
#define INTRI8_FLOAT(isa) \
template <> \
void LSTMKernelImpl<float, isa, kEQ8>::ComputeCtHt( \
float* gates, const float* ct_1, float* ct, float* ht, float* checked) \
const { \
float* gates, const float* ct_1, float* ct, float* ht, \
const float* wp_data, float* checked) const { \
/* gates: W_ch, W_ih, W_fh, W_oh */ \
__m256 c, i, f, o; \
c = _mm256_loadu_ps(gates); \
@ -205,51 +220,56 @@ class PeepholeKernelImpl : public LSTMKernel<T> {
d_ = d;
d2_ = d * 2;
d3_ = d * 3;
auto GetActKernel = [&](const std::string& type,
int n) -> std::shared_ptr<const VActKernel<T>> {
if (type == "sigmoid") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VSigmoidKernel<T>>(n));
} else if (type == "relu") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VReluKernel<T>>(n));
} else if (type == "tanh") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VTanhKernel<T>>(n));
} else if (type == "identity" || type == "") {
return std::dynamic_pointer_cast<const VActKernel<T>>(
KernelPool::Instance().template Get<VIdentityKernel<T>>(n));
}
PADDLE_THROW("Not support type: %s", type);
};
act_gate_3d_ = GetActKernel(act_gate, d * 3);
act_cand_d_ = GetActKernel(act_cand, d);
act_cell_d_ = GetActKernel(act_cell, d);
act_gate_d_ = GetActKernel<T>(act_gate, d);
act_cand_d_ = GetActKernel<T>(act_cand, d);
act_cell_d_ = GetActKernel<T>(act_cell, d);
vmul_d_ = KernelPool::Instance().template Get<VMulKernel<T>>(d);
vadd_d_ = KernelPool::Instance().template Get<VAddKernel<T>>(d);
vadd_d2_ = KernelPool::Instance().template Get<VAddKernel<T>>(d2_);
act_gate_d2_ = GetActKernel<T>(act_gate, d2_);
}
void ComputeCtHt(T* gates, const T* ct_1, T* ct, T* ht,
void ComputeCtHt(T* gates, const T* ct_1, T* ct, T* ht, const T* wp_data,
T* checked) const override {
// gates: W_ch, W_ih, W_fh, W_oh
act_gate_3d_->Compute(gates + d_, gates + d_);
/* C_t = C_t-1 * fgated + cand_gated * igated */
/* get fgated and igated*/
vmul_d_->Compute(wp_data, ct_1, checked);
vmul_d_->Compute(wp_data + d_, ct_1, checked + d_);
vadd_d2_->Compute(checked, gates + d_, gates + d_);
act_gate_d2_->Compute(gates + d_, gates + d_);
/* C_t = C_t-1 * fgated + cand_gated * igated*/
act_cand_d_->Compute(gates, gates);
vmul_d_->Compute(gates, gates + d_, gates + d_);
vmul_d_->Compute(ct_1, gates + d2_, gates + d2_);
vadd_d_->Compute(gates + d_, gates + d2_, ct);
/* get ogated*/
vmul_d_->Compute(wp_data + d2_, ct, gates + d_);
vadd_d_->Compute(gates + d_, gates + d3_, gates + d3_);
act_gate_d_->Compute(gates + d3_, gates + d3_);
/* H_t = act_cell(C_t) * ogated */
act_cell_d_->Compute(ct, gates + d2_);
vmul_d_->Compute(gates + d2_, gates + d3_, ht);
}
void ComputeC1H1(T* gates, T* ct, T* ht, const T* wp_data) const override {
/* C_t = igated * cgated*/
act_gate_d_->Compute(gates + d_, gates + d_);
act_cand_d_->Compute(gates, gates);
vmul_d_->Compute(gates, gates + d_, ct);
/* get outgated, put W_oc * C_t on igated */
vmul_d_->Compute(wp_data + d2_, ct, gates + d_);
vadd_d_->Compute(gates + d_, gates + d3_, gates + d3_);
/* H_t = act_cell(C_t) * ogated */
act_gate_d_->Compute(gates + d3_, gates + d3_);
act_cell_d_->Compute(ct, gates + d2_);
vmul_d_->Compute(gates + d2_, gates + d3_, ht);
}
private:
int d_, d2_, d3_;
std::shared_ptr<const VActKernel<T>> act_gate_3d_, act_cand_d_, act_cell_d_;
std::shared_ptr<const VActKernel<T>> act_gate_d2_, act_gate_d_, act_cand_d_,
act_cell_d_;
std::shared_ptr<const VMulKernel<T>> vmul_d_;
std::shared_ptr<const VAddKernel<T>> vadd_d_;
std::shared_ptr<const VAddKernel<T>> vadd_d_, vadd_d2_;
};
#define JITKERNEL_DECLARE_LSTM(ker_class, ker_dtype) \

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