add fusion gru jit kernel

paddle/fluid/operators/fusion_gru_op.cc

@@ -16,10 +16,9 @@ limitations under the License. */
 #include <cstring>  // for memcpy
 #include <string>
 #include "paddle/fluid/operators/math/blas.h"
-#include "paddle/fluid/operators/math/cpu_vec.h"
 #include "paddle/fluid/operators/math/fc_compute.h"
+#include "paddle/fluid/operators/math/jit_kernel.h"
 #include "paddle/fluid/operators/math/sequence2batch.h"
-#include "paddle/fluid/platform/cpu_info.h"
 
 namespace paddle {
 namespace operators {
@@ -174,58 +173,44 @@ class FusionGRUKernel : public framework::OpKernel<T> {
     }
   }
 
-#define INIT_VEC_FUNC                                                     \
-  std::function<void(const int, const T *, T *)> act_gate, act_state;     \
-  std::function<void(const int, const T*, const T*, const T*, T*)> cross; \
-  auto& act_gate_str = ctx.Attr<std::string>("gate_activation");          \
-  auto& act_state_str = ctx.Attr<std::string>("activation");              \
-  if (platform::jit::MayIUse(platform::jit::avx)) {                       \
-    math::VecActivations<T, platform::jit::avx> act_functor;              \
-    act_gate = act_functor(act_gate_str);                                 \
-    act_state = act_functor(act_state_str);                               \
-    cross = math::vec_cross<T, platform::jit::avx>;                       \
-  } else {                                                                \
-    math::VecActivations<T, platform::jit::isa_any> act_functor;          \
-    act_gate = act_functor(act_gate_str);                                 \
-    act_state = act_functor(act_state_str);                               \
-    cross = math::vec_cross<T, platform::jit::isa_any>;                   \
-  }
-
-#define INIT_BASE_INPUT_OUTPUT                        \
-  auto* h0 = ctx.Input<Tensor>("H0");                 \
-  auto* wx = ctx.Input<Tensor>("WeightX");            \
+#define INIT_BASE_DEFINES                  \
+  auto* x = ctx.Input<LoDTensor>("X");     \
   auto* wh = ctx.Input<Tensor>("WeightH"); \
-  auto* bias = ctx.Input<Tensor>("Bias");             \
   auto* xx = ctx.Output<LoDTensor>("XX");  \
-  auto* hidden_out = ctx.Output<LoDTensor>("Hidden"); \
-  bool is_reverse = ctx.Attr<bool>("is_reverse");
-
-#define INIT_BASE_SIZES                  \
+  auto x_lod = x->lod();                   \
   auto x_dims = x->dims();   /* T x M*/    \
   auto wh_dims = wh->dims(); /* D x 3D*/   \
   const int total_T = x_dims[0];           \
+  const int D3 = wh_dims[1]
+
+#define INIT_OTHER_DEFINES                                                     \
+  auto* h0 = ctx.Input<Tensor>("H0");                                          \
+  auto* wx = ctx.Input<Tensor>("WeightX");                                     \
+  auto* bias = ctx.Input<Tensor>("Bias");                                      \
+  auto* hidden_out = ctx.Output<LoDTensor>("Hidden");                          \
+  bool is_reverse = ctx.Attr<bool>("is_reverse");                              \
   const int M = x_dims[1];                                                     \
   const int D = wh_dims[0];                                                    \
-  const int D3 = wh_dims[1];             \
-  const int D2 = D * 2;
+  const int D2 = D * 2;                                                        \
+  const auto& ker = math::jitkernel::KernelPool::Instance()                    \
+                        .template Get<math::jitkernel::GRUKernel<T>,           \
+                                      const std::string&, const std::string&>( \
+                            ctx.Attr<std::string>("gate_activation"),          \
+                            ctx.Attr<std::string>("activation"), D);           \
+  const T* x_data = x->data<T>();                                              \
+  const T* wx_data = wx->data<T>();                                            \
+  const T* wh_data = wh->data<T>();                                            \
+  auto place = ctx.GetPlace();                                                 \
+  T* xx_data = xx->mutable_data<T>(place)
 
   void SeqCompute(const framework::ExecutionContext& ctx) const {
     using DeviceContext = paddle::platform::CPUDeviceContext;
-    auto* x = ctx.Input<LoDTensor>("X");
-    INIT_BASE_INPUT_OUTPUT
-    INIT_BASE_SIZES
-    INIT_VEC_FUNC
-
-    auto x_lod = x->lod();
+    INIT_BASE_DEFINES;
+    INIT_OTHER_DEFINES;
     const int N = x_lod[0].size() - 1;
-    const T* x_data = x->data<T>();
     const T* h0_data = h0 ? h0->data<T>() : nullptr;
-    const T* wx_data = wx->data<T>();
-    const T* wh_data = wh->data<T>();
     const T* wh_state_data = wh_data + D * D2;
-    T* xx_data = xx->mutable_data<T>(ctx.GetPlace());
-    T* hidden_out_data = hidden_out->mutable_data<T>(ctx.GetPlace());
-
+    T* hidden_out_data = hidden_out->mutable_data<T>(place);
     auto blas = math::GetBlas<DeviceContext, T>(ctx);
     math::FCCompute<DeviceContext, T>(blas, total_T, D3, M, x_data, wx_data,
                                       xx_data,
@@ -252,14 +237,7 @@ class FusionGRUKernel : public framework::OpKernel<T> {
       if (h0_data) {
         prev_hidden_data = h0_data + bid * D;
       } else {
-        // W: {W_update, W_reset; W_state}
-        // update gate
-        act_gate(D, xx_data, xx_data);
-        // state gate
-        act_state(D, xx_data + D2, xx_data + D2);
-        // out = a*b
-        blas.VMUL(D, xx_data, xx_data + D2, hidden_out_data);
-        // save prev
+        ker->ComputeH1(xx_data, hidden_out_data);
         prev_hidden_data = hidden_out_data;
         tstart = 1;
         move_step();
@@ -269,17 +247,12 @@ class FusionGRUKernel : public framework::OpKernel<T> {
         blas.GEMM(CblasNoTrans, CblasNoTrans, 1, D2, D, static_cast<T>(1),
                   prev_hidden_data, D, wh_data, D2, static_cast<T>(1), xx_data,
                   D3);
-        act_gate(D2, xx_data, xx_data);
-        // rt = rt*ht_1 inplace result
-        blas.VMUL(D, prev_hidden_data, xx_data + D, hidden_out_data);
-
+        ker->ComputeHtPart1(xx_data, prev_hidden_data, hidden_out_data);
         // gemm rt * Ws
         blas.GEMM(CblasNoTrans, CblasNoTrans, 1, D, D, static_cast<T>(1),
                   hidden_out_data, D, wh_state_data, D, static_cast<T>(1),
                   xx_data + D2, D3);
-        act_state(D, xx_data + D2, xx_data + D2);
-        // out = zt*ht~ + (1-zt)*ht_1
-        cross(D, xx_data, xx_data + D2, prev_hidden_data, hidden_out_data);
+        ker->ComputeHtPart2(xx_data, prev_hidden_data, hidden_out_data);
         // save prev
         prev_hidden_data = hidden_out_data;
         move_step();
@@ -289,28 +262,19 @@ class FusionGRUKernel : public framework::OpKernel<T> {
 
   void BatchCompute(const framework::ExecutionContext& ctx) const {
     using DeviceContext = paddle::platform::CPUDeviceContext;
-    auto* x = ctx.Input<LoDTensor>("X");
-    INIT_BASE_INPUT_OUTPUT
-    INIT_BASE_SIZES
-    if (x->lod()[0].size() == 2) {
+    INIT_BASE_DEFINES;
+    if (x_lod[0].size() == 2) {
       xx->Resize({total_T, D3});
       SeqCompute(ctx);
       return;
     }
-    INIT_VEC_FUNC
-
+    INIT_OTHER_DEFINES;
     auto* reordered_h0 = ctx.Output<Tensor>("ReorderedH0");
     auto* batched_input = ctx.Output<LoDTensor>("BatchedInput");
     auto* batched_out = ctx.Output<LoDTensor>("BatchedOut");
-
-    const T* x_data = x->data<T>();
-    const T* wx_data = wx->data<T>();
-    const T* wh_data = wh->data<T>();
-    T* xx_data = xx->mutable_data<T>(ctx.GetPlace());
-    T* batched_input_data = batched_input->mutable_data<T>(ctx.GetPlace());
-    T* batched_out_data = batched_out->mutable_data<T>(ctx.GetPlace());
-    hidden_out->mutable_data<T>(ctx.GetPlace());
-
+    T* batched_input_data = batched_input->mutable_data<T>(place);
+    T* batched_out_data = batched_out->mutable_data<T>(place);
+    hidden_out->mutable_data<T>(place);
     auto& dev_ctx = ctx.template device_context<DeviceContext>();
     auto blas = math::GetBlas<DeviceContext, T>(dev_ctx);
     math::LoDTensor2BatchFunctor<DeviceContext, T> to_batch;
@@ -336,7 +300,7 @@ class FusionGRUKernel : public framework::OpKernel<T> {
     T* prev_hidden_data = nullptr;
     if (h0) {
       // reorder h0
-      T* reordered_h0_data = reordered_h0->mutable_data<T>(ctx.GetPlace());
+      T* reordered_h0_data = reordered_h0->mutable_data<T>(place);
       const T* h0_data = h0->data<T>();
       prev_hidden_data = reordered_h0_data;
       size_t sz = sizeof(T) * D;
@@ -350,12 +314,7 @@ class FusionGRUKernel : public framework::OpKernel<T> {
       T* cur_out_data = batched_out_data;
       // W: {W_update, W_reset; W_state}
       for (int i = 0; i < max_bs; ++i) {
-        // update gate
-        act_gate(D, cur_in_data, cur_in_data);
-        // state gate
-        act_state(D, cur_in_data + D2, cur_in_data + D2);
-        // out = a*b
-        blas.VMUL(D, cur_in_data, cur_in_data + D2, cur_out_data);
+        ker->ComputeH1(cur_in_data, cur_out_data);
         // add offset
         cur_in_data += D3;
         cur_out_data += D;
@@ -380,10 +339,8 @@ class FusionGRUKernel : public framework::OpKernel<T> {
       T* cur_out_data = batched_out_data;
       T* cur_prev_hidden_data = prev_hidden_data;
       for (int i = 0; i < cur_bs; ++i) {
-        act_gate(D2, cur_batched_data, cur_batched_data);
-        // rt = rt*ht_1 inplace result
-        blas.VMUL(D, cur_prev_hidden_data, cur_batched_data + D, cur_out_data);
-
+        ker->ComputeHtPart1(cur_batched_data, cur_prev_hidden_data,
+                            cur_out_data);
         cur_batched_data += D3;
         cur_prev_hidden_data += D;
         cur_out_data += D;
@@ -397,12 +354,8 @@ class FusionGRUKernel : public framework::OpKernel<T> {
 
       cur_prev_hidden_data = prev_hidden_data;
       for (int i = 0; i < cur_bs; ++i) {
-        // ht~ = act_state(...)
-        act_state(D, cur_batched_data + D2, cur_batched_data + D2);
-        // out = zt*ht~ + (1-zt)*ht_1
-        cross(D, cur_batched_data, cur_batched_data + D2, cur_prev_hidden_data,
+        ker->ComputeHtPart2(cur_batched_data, cur_prev_hidden_data,
                             cur_out_data);
-
         cur_batched_data += D3;
         cur_prev_hidden_data += D;
         cur_out_data += D;
@@ -416,9 +369,8 @@ class FusionGRUKernel : public framework::OpKernel<T> {
     batched_out->set_lod(batched_lod);
     to_seq(dev_ctx, *batched_out, hidden_out);
   }
-#undef INIT_VEC_FUNC
-#undef INIT_BASE_SIZES
-#undef INIT_BASE_INPUT_OUTPUT
+#undef INIT_OTHER_DEFINES
+#undef INIT_BASE_DEFINES
 };
 
 }  // namespace operators

paddle/fluid/operators/math/CMakeLists.txt

@@ -75,6 +75,6 @@ endif()
 cc_test(concat_test SRCS concat_test.cc DEPS concat)
 cc_test(cpu_vec_test SRCS cpu_vec_test.cc DEPS blas cpu_info)
 cc_library(jit_kernel 
-    SRCS jit_kernel.cc jit_kernel_blas.cc jit_kernel_exp.cc jit_kernel_lstm.cc
+    SRCS jit_kernel.cc jit_kernel_blas.cc jit_kernel_exp.cc jit_kernel_rnn.cc
     DEPS cpu_info cblas)
 cc_test(jit_kernel_test SRCS jit_kernel_test.cc DEPS jit_kernel)

paddle/fluid/operators/math/jit_kernel.h

@@ -142,6 +142,15 @@ class LSTMKernel : public Kernel {
                            const T *wp_data = nullptr) const = 0;
 };
 
+template <typename T>
+class GRUKernel : public Kernel {
+ public:
+  // compute h1 without h0
+  virtual void ComputeH1(T *gates, T *ht) const = 0;
+  virtual void ComputeHtPart1(T *gates, const T *ht_1, T *ht) const = 0;
+  virtual void ComputeHtPart2(T *gates, const T *ht_1, T *ht) const = 0;
+};
+
 }  // namespace jitkernel
 }  // namespace math
 }  // namespace operators

paddle/fluid/operators/math/jit_kernel_lstm.cc → paddle/fluid/operators/math/jit_kernel_rnn.cc

@@ -354,6 +354,67 @@ REGISTER_JITKERNEL_ARGS(lstm, LSTMKernel, JITKERNEL_DECLARE_LSTM,
 #undef JITKERNEL_DECLARE_LSTM
 #undef JITKERNEL_KEY_LSTM
 #undef JITKERNEL_NEW_LSTM_IMPL
+
+/* GRU JitKernel */
+template <typename T, jit::cpu_isa_t isa, jit_block>
+class GRUKernelImpl : public GRUKernel<T> {
+ public:
+  explicit GRUKernelImpl(const std::string& act_gate,
+                         const std::string& act_state, int d)
+      : GRUKernel<T>() {
+    d_ = d;
+    d2_ = d * 2;
+    act_gate_d2_ = GetActKernel<T>(act_gate, d2_);
+    act_gate_d_ = GetActKernel<T>(act_gate, d);
+    act_state_d_ = GetActKernel<T>(act_state, d);
+    vmul_d_ = KernelPool::Instance().template Get<VMulKernel<T>>(d);
+  }
+
+  void ComputeH1(T* gates, T* ht) const override {
+    act_gate_d_->Compute(gates, gates);
+    act_state_d_->Compute(gates + d2_, gates + d2_);
+    vmul_d_->Compute(gates, gates + d2_, ht);
+  }
+  void ComputeHtPart1(T* gates, const T* ht_1, T* ht) const override {
+    // W: {W_update, W_reset; W_state}
+    act_gate_d2_->Compute(gates, gates);
+    vmul_d_->Compute(ht_1, gates + d_, ht);
+  }
+
+  void ComputeHtPart2(T* gates, const T* ht_1, T* ht) const override {
+    T* y = gates + d2_;
+    act_state_d_->Compute(y, y);
+    // out = zt*ht~ + (1-zt)*ht_1
+    for (int i = 0; i < d_; ++i) {
+      ht[i] = gates[i] * y[i] + (static_cast<T>(1) - gates[i]) * ht_1[i];
+    }
+  }
+
+ private:
+  int d_, d2_;
+  std::shared_ptr<const VActKernel<T>> act_gate_d2_, act_gate_d_, act_state_d_;
+  std::shared_ptr<const VMulKernel<T>> vmul_d_;
+};
+
+#define JITKERNEL_DECLARE_GRU(ker_class, ker_dtype)                       \
+  template <>                                                             \
+  std::shared_ptr<const GRUKernel<ker_dtype>> KernelPool::Get<            \
+      GRUKernel<ker_dtype>, const std::string&, const std::string&, int>( \
+      const std::string& act_gate, const std::string& act_state, int d)
+
+#define JITKERNEL_KEY_GRU(ker_key, dtype_key) \
+  #ker_key #dtype_key + std::to_string(d) + act_gate + act_state
+
+#define JITKERNEL_NEW_GRU_IMPL(ker, dtype, isa, k) \
+  p = std::dynamic_pointer_cast<ker<dtype>>(       \
+      std::make_shared<ker##Impl<dtype, isa, k>>(act_gate, act_state, d));
+
+REGISTER_JITKERNEL_ARGS(gru, GRUKernel, JITKERNEL_DECLARE_GRU,
+                        JITKERNEL_KEY_GRU, JITKERNEL_NEW_GRU_IMPL);
+
+#undef JITKERNEL_NEW_GRU_IMPL
+#undef JITKERNEL_KEY_GRU
+#undef JITKERNEL_DECLARE_GRU
 }  // namespace jitkernel
 }  // namespace math
 }  // namespace operators