From 8de4e3bdd6b24f55a1a6c9acb97233d7a18b021c Mon Sep 17 00:00:00 2001
From: qijun <qijun1994@hotmail.com>
Date: Thu, 10 Aug 2017 12:24:49 +0800
Subject: [PATCH] disable gpu implementation temporarily

---
 paddle/operators/math/math_function.cu |  6 ++++++
 paddle/operators/math/math_function.h  | 29 +++++++-------------------
 paddle/operators/mul_op.cu             |  3 ++-
 3 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/paddle/operators/math/math_function.cu b/paddle/operators/math/math_function.cu
index 3e2aeea1d..b7d2c48a5 100644
--- a/paddle/operators/math/math_function.cu
+++ b/paddle/operators/math/math_function.cu
@@ -26,6 +26,7 @@ void gemm<platform::GPUPlace, float>(
     platform::DeviceContext* context) {
   // Note that cublas follows fortran order, so the order is different from
   // the cblas convention.
+  /*
   cublasOperation_t cuTransA =
       (transA == CblasNoTrans) ? CUBLAS_OP_N : CUBLAS_OP_T;
   cublasOperation_t cuTransB =
@@ -34,6 +35,8 @@ void gemm<platform::GPUPlace, float>(
   PADDLE_ENFORCE(platform::dynload::cublasSgemm(
       reinterpret_cast<platform::CUDADeviceContext*>(context)->cublas_handle(),
       cuTransB, cuTransA, N, M, K, &alpha, B, ldb, A, lda, &beta, C, ldc));
+  */
+  PADDLE_THROW("not implemented now");
 }
 
 template <>
@@ -44,6 +47,7 @@ void gemm<platform::GPUPlace, double>(
     const int ldc, platform::DeviceContext* context) {
   // Note that cublas follows fortran order, so the order is different from
   // the cblas convention.
+  /*
   cublasOperation_t cuTransA =
       (transA == CblasNoTrans) ? CUBLAS_OP_N : CUBLAS_OP_T;
   cublasOperation_t cuTransB =
@@ -51,6 +55,8 @@ void gemm<platform::GPUPlace, double>(
   PADDLE_ENFORCE(platform::dynload::cublasDgemm(
       reinterpret_cast<platform::CUDADeviceContext*>(context)->cublas_handle(),
       cuTransB, cuTransA, N, M, K, &alpha, B, ldb, A, lda, &beta, C, ldc));
+  */
+  PADDLE_THROW("not implemented now");
 }
 
 template <>
diff --git a/paddle/operators/math/math_function.h b/paddle/operators/math/math_function.h
index f068f4a15..7a214e3a5 100644
--- a/paddle/operators/math/math_function.h
+++ b/paddle/operators/math/math_function.h
@@ -40,36 +40,23 @@ extern "C" {
 #include <cmath>
 #include "paddle/framework/tensor.h"
 #include "paddle/platform/device_context.h"
+#include "paddle/platform/enforce.h"
 
 namespace paddle {
 namespace operators {
 namespace math {
 
 template <typename Place, typename T>
-void gemm(const CBLAS_TRANSPOSE transA,
-          const CBLAS_TRANSPOSE transB,
-          const int M,
-          const int N,
-          const int K,
-          const T alpha,
-          const T* A,
-          const int lda,
-          const T* B,
-          const int ldb,
-          const T beta,
-          T* C,
-          const int ldc,
-          platform::DeviceContext* context);
+void gemm(const CBLAS_TRANSPOSE transA, const CBLAS_TRANSPOSE transB,
+          const int M, const int N, const int K, const T alpha, const T* A,
+          const int lda, const T* B, const int ldb, const T beta, T* C,
+          const int ldc, platform::DeviceContext* context);
 
 // matrix multiply with continous memory
 template <typename Place, typename T>
-void matmul(const framework::Tensor& in1,
-            bool in1_T,
-            const framework::Tensor& in2,
-            bool in2_T,
-            float alpha,
-            framework::Tensor* out,
-            float beta,
+void matmul(const framework::Tensor& in1, bool in1_T,
+            const framework::Tensor& in2, bool in2_T, float alpha,
+            framework::Tensor* out, float beta,
             platform::DeviceContext* context);
 
 }  // namespace math
diff --git a/paddle/operators/mul_op.cu b/paddle/operators/mul_op.cu
index 7435b74bd..aac5a6936 100644
--- a/paddle/operators/mul_op.cu
+++ b/paddle/operators/mul_op.cu
@@ -15,4 +15,5 @@
 #define EIGEN_USE_GPU
 #include "paddle/operators/mul_op.h"
 
-REGISTER_OP_GPU_KERNEL(mul, ops::MulKernel<paddle::platform::GPUPlace, float>);
+// REGISTER_OP_GPU_KERNEL(mul, ops::MulKernel<paddle::platform::GPUPlace,
+// float>);
-- 
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