add int8_t type sgemm_omp

src/operators/math/gemm.cpp

@@ -3147,6 +3147,7 @@ void Gemm::SgemmWithPRelu(int m, int n, int k, const float *A, int lda,
 }
 
 // 32位 float 矩阵乘法
+template <>
 void Gemm::Sgemm_omp(int m, int n, int k, float alpha, const float *A, int lda,
                      const float *B, int ldb, float beta, float *C, int ldc,
                      bool relu, float *bias) {

src/operators/math/gemm.h

@@ -16,6 +16,9 @@ limitations under the License. */
 #include <string>
 #include "common/log.h"
 #include "memory/t_malloc.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif
 
 // 矩阵取值运算宏，假设矩阵按行存储
 #define A(i, j) A[(i)*lda + (j)]
@@ -172,11 +175,6 @@ void PackMatrixB(int k, int n, int n_tail, const float *B, int ldb,
                       const float *B, int ldb, float *C, int ldc, float *p,
                       std::string mode, float *bias, float *bias1);
 
-  // 32位 float 矩阵乘法（openmp 多线程版本）
-  void Sgemm_omp(int m, int n, int k, float alpha, const float *A, int lda,
-                 const float *B, int ldb, float beta, float *C, int ldc,
-                 bool relu, float *bias);
-
   // 32位 float 矩阵乘法, 并对结果进行 batchnrom（openmp 多线程版本）
   void SgemmWithBn_omp(int m, int n, int k, float alpha, const float *A,
                        int lda, const float *B, int ldb, float beta, float *C,
@@ -228,6 +226,14 @@ void PackMatrixB(int k, int n, int n_tail, const float *B, int ldb,
 
   // 8 bits int matrix product
   template <typename Itype, typename Btype, typename Otype>
+  void Sgemm_omp(int32_t m, int32_t n, int32_t k, float alpha, const Itype *A,
+                 int32_t lda, const Itype *B, int32_t ldb, float beta, Otype *C,
+                 int32_t ldc, bool relu, Btype *bias);
+  template <typename Otype>
+  void Sgemm_omp(int32_t m, int32_t n, int32_t k, float alpha, const int8_t *A,
+                 int32_t lda, const int8_t *B, int32_t ldb, float beta,
+                 Otype *C, int32_t ldc, bool relu, int32_t *bias);
+  template <typename Itype, typename Btype, typename Otype>
   void Sgemm(int32_t m, int32_t n, int32_t k, float alpha, const Itype *A,
              int32_t lda, const Itype *B, int32_t ldb, float beta, Otype *C,
              int32_t ldc, bool relu, Btype *bias);
@@ -235,10 +241,6 @@ void PackMatrixB(int k, int n, int n_tail, const float *B, int ldb,
   void Sgemm(int32_t m, int32_t n, int32_t k, float alpha, const int8_t *A,
              int32_t lda, const int8_t *B, int32_t ldb, float beta, Otype *C,
              int32_t ldc, bool relu, int32_t *bias);
-
-  void Sgemm_omp(int32_t m, int32_t n, int32_t k, float alpha, const int8_t *A,
-                 int32_t lda, const int8_t *B, int32_t ldb, float beta,
-                 int32_t *C, int32_t ldc, bool relu, int32_t *bias);
   // 8 bits int write back
   // C = A * B
   void WriteBasic(int32_t mc, int32_t nc, int32_t *c, int32_t *C, int32_t ldc);
@@ -332,6 +334,131 @@ void Gemm::Sgemm(int32_t m, int32_t n, int32_t k, float alpha, const int8_t *A,
   paddle_mobile::memory::Free(zero_int8);
 }
 
+// 8 bits int matrix product (m*k x k*n), omp version
+template <typename Otype>
+void Gemm::Sgemm_omp(int32_t m, int32_t n, int32_t k, float alpha,
+                     const int8_t *A, int32_t lda, const int8_t *B, int32_t ldb,
+                     float beta, Otype *C, int32_t ldc, bool relu,
+                     int32_t *bias) {
+#ifdef _OPENMP
+  int32_t max_threads = omp_get_max_threads();
+#else
+  int32_t max_threads = 1;
+#endif
+
+  int32_t L1 = 64 / max_threads * 1024;
+  const int32_t k_complete = (k + 15) - ((k + 15) & 15);
+  KC = k_complete;
+  zero_int8 =
+      static_cast<int8_t *>(paddle_mobile::memory::Alloc(sizeof(int8_t) * k));
+  memset(static_cast<void *>(zero_int8), 0, sizeof(int8_t) * k);
+  if (m > n) {
+    // 对 A 分块
+    MC = L1 / (KC * sizeof(int8_t));
+    if (MC == 0) {
+      MC = MR_INT8;
+    } else {
+      int32_t mblock_num = (m + MC - 1) / MC;
+      MC = (m + mblock_num - 1) / mblock_num;
+      MC = (MC + MR_INT8 - 1) / MR_INT8 * MR_INT8;
+    }
+    // 补齐 B
+    NC = (n + NR_INT8 - 1) / NR_INT8 * NR_INT8;
+
+    packedB_int8 = static_cast<int8_t *>(
+        paddle_mobile::memory::Alloc(sizeof(int8_t) * KC * NC));
+#if __aarch64__
+    // TODO()
+#else
+    PackMatrixB_omp_2c_16(k, n, n % NR_INT8, B, ldb, packedB_int8);
+#endif
+    packedA_int8 = static_cast<int8_t *>(
+        paddle_mobile::memory::Alloc(sizeof(int8_t) * MC * KC * max_threads));
+  } else {
+    // 对 B 分块
+    NC = L1 / (KC * sizeof(int8_t));
+    if (NC == 0) {
+      NC = NR_INT8;
+    } else {
+      int32_t nblock_num = (n + NC - 1) / NC;
+      NC = (n + nblock_num - 1) / nblock_num;
+      NC = (NC + NR_INT8 - 1) / NR_INT8 * NR_INT8;
+    }
+    // 补齐 A
+    MC = (m + MR_INT8 - 1) / MR_INT8 * MR_INT8;
+
+    packedA_int8 = static_cast<int8_t *>(
+        paddle_mobile::memory::Alloc(sizeof(int8_t) * MC * KC));
+#if __aarch64__
+    // TODO()
+#else
+    PackMatrixA_omp_4r_16(m, k, m % MR_INT8, A, lda, packedA_int8);
+#endif
+    packedB_int8 = static_cast<int8_t *>(
+        paddle_mobile::memory::Alloc(sizeof(int8_t) * KC * NC * max_threads));
+  }
+  packedC_int32 = static_cast<int32_t *>(
+      paddle_mobile::memory::Alloc(sizeof(int32_t) * MC * NC * max_threads));
+
+  if (m > n) {
+#pragma omp parallel for
+    for (int32_t i = 0; i < m; i += MC) {
+#ifdef _OPENMP
+      int32_t local_threads = omp_get_thread_num();
+#else
+      int32_t local_threads = 0;
+#endif
+
+      int32_t mc;
+      mc = s_min(m - i, MC);
+      int8_t *local_A = packedA_int8 + MC * KC * local_threads;
+      int32_t *local_C = packedC_int32 + MC * NC * local_threads;
+#if __aarch64__
+      // TODO()
+#else
+      PackMatrixA_4r_16(mc, k, mc % MR_INT8, &A(i, 0), lda, local_A);
+#endif
+      if (bias == nullptr) {
+        InnerKernel(mc, n, alpha, local_A, packedB_int8, beta, local_C,
+                    &C(i, 0), ldc, relu);
+      } else {
+        InnerKernelWithBias(mc, n, alpha, local_A, packedB_int8, beta, local_C,
+                            &C(i, 0), ldc, relu, bias + i);
+      }
+    }
+  } else {
+#pragma omp parallel for
+    for (int32_t j = 0; j < n; j += NC) {
+#ifdef _OPENMP
+      int32_t local_threads = omp_get_thread_num();
+#else
+      int32_t local_threads = 0;
+#endif
+      int32_t nc;
+      nc = s_min(n - j, NC);
+      int8_t *local_B = packedB_int8 + KC * NC * local_threads;
+      int32_t *local_C = packedC_int32 + MC * NC * local_threads;
+#if __aarch64__
+      // TODO()
+#else
+      PackMatrixB_2c_16(k, nc, nc % NR_INT8, &B(0, j), ldb, local_B);
+#endif
+      if (bias == nullptr) {
+        InnerKernel(m, nc, alpha, packedA_int8, local_B, beta, local_C,
+                    &C(0, j), ldc, relu);
+      } else {
+        InnerKernelWithBias(m, nc, alpha, packedA_int8, local_B, beta, local_C,
+                            &C(0, j), ldc, relu, bias);
+      }
+    }
+  }
+
+  paddle_mobile::memory::Free(packedA_int8);
+  paddle_mobile::memory::Free(packedB_int8);
+  paddle_mobile::memory::Free(packedC_int32);
+  paddle_mobile::memory::Free(zero_int8);
+}
+
 }  // namespace math
 }  // namespace operators
 }  // namespace paddle_mobile

src/operators/math/gemm_omp_int8.cpp

@@ -27,130 +27,6 @@ namespace paddle_mobile {
 namespace operators {
 namespace math {
 
-// 8 bits int matrix product (m*k x k*n)
-void Gemm::Sgemm_omp(int32_t m, int32_t n, int32_t k, float alpha,
-                     const int8_t *A, int32_t lda, const int8_t *B, int32_t ldb,
-                     float beta, int32_t *C, int32_t ldc, bool relu,
-                     int32_t *bias) {
-#ifdef _OPENMP
-  int32_t max_threads = omp_get_max_threads();
-#else
-  int32_t max_threads = 1;
-#endif
-
-  int32_t L1 = 64 / max_threads * 1024;
-  const int32_t k_complete = (k + 15) - ((k + 15) & 15);
-  KC = k_complete;
-  zero_int8 =
-      static_cast<int8_t *>(paddle_mobile::memory::Alloc(sizeof(int8_t) * k));
-  memset(static_cast<void *>(zero_int8), 0, sizeof(int8_t) * k);
-  if (m > n) {
-    // 对 A 分块
-    MC = L1 / (KC * sizeof(int8_t));
-    if (MC == 0) {
-      MC = MR_INT8;
-    } else {
-      int32_t mblock_num = (m + MC - 1) / MC;
-      MC = (m + mblock_num - 1) / mblock_num;
-      MC = (MC + MR_INT8 - 1) / MR_INT8 * MR_INT8;
-    }
-    // 补齐 B
-    NC = (n + NR_INT8 - 1) / NR_INT8 * NR_INT8;
-
-    packedB_int8 = static_cast<int8_t *>(
-        paddle_mobile::memory::Alloc(sizeof(int8_t) * KC * NC));
-#if __aarch64__
-    // TODO
-#else
-    PackMatrixB_omp_2c_16(k, n, n % NR_INT8, B, ldb, packedB_int8);
-#endif
-    packedA_int8 = static_cast<int8_t *>(
-        paddle_mobile::memory::Alloc(sizeof(int8_t) * MC * KC * max_threads));
-  } else {
-    // 对 B 分块
-    NC = L1 / (KC * sizeof(int8_t));
-    if (NC == 0) {
-      NC = NR_INT8;
-    } else {
-      int32_t nblock_num = (n + NC - 1) / NC;
-      NC = (n + nblock_num - 1) / nblock_num;
-      NC = (NC + NR_INT8 - 1) / NR_INT8 * NR_INT8;
-    }
-    // 补齐 A
-    MC = (m + MR_INT8 - 1) / MR_INT8 * MR_INT8;
-
-    packedA_int8 = static_cast<int8_t *>(
-        paddle_mobile::memory::Alloc(sizeof(int8_t) * MC * KC));
-#if __aarch64__
-    // TODO
-#else
-    PackMatrixA_omp_4r_16(m, k, m % MR_INT8, A, lda, packedA_int8);
-#endif
-    packedB_int8 = static_cast<int8_t *>(
-        paddle_mobile::memory::Alloc(sizeof(int8_t) * KC * NC * max_threads));
-  }
-  packedC_int32 = static_cast<int32_t *>(
-      paddle_mobile::memory::Alloc(sizeof(int32_t) * MC * NC * max_threads));
-
-  if (m > n) {
-#pragma omp parallel for
-    for (int32_t i = 0; i < m; i += MC) {
-#ifdef _OPENMP
-      int32_t local_threads = omp_get_thread_num();
-#else
-      int32_t local_threads = 0;
-#endif
-
-      int32_t mc;
-      mc = s_min(m - i, MC);
-      int8_t *local_A = packedA_int8 + MC * KC * local_threads;
-      int32_t *local_C = packedC_int32 + MC * NC * local_threads;
-#if __aarch64__
-      // TODO
-#else
-      PackMatrixA_4r_16(mc, k, mc % MR_INT8, &A(i, 0), lda, local_A);
-#endif
-      //      InnerKernelWithBias(mc, n, alpha, local_A, packedB_int8, beta,
-      //      local_C,
-      //                          &C(i, 0), ldc, relu, bias + i);
-      if (bias == nullptr) {
-        InnerKernel(mc, n, alpha, local_A, packedB_int8, beta, local_C,
-                    &C(i, 0), ldc, relu);
-      }
-    }
-  } else {
-#pragma omp parallel for
-    for (int32_t j = 0; j < n; j += NC) {
-#ifdef _OPENMP
-      int32_t local_threads = omp_get_thread_num();
-#else
-      int32_t local_threads = 0;
-#endif
-      int32_t nc;
-      nc = s_min(n - j, NC);
-      int8_t *local_B = packedB_int8 + KC * NC * local_threads;
-      int32_t *local_C = packedC_int32 + MC * NC * local_threads;
-#if __aarch64__
-      // TODO
-#else
-      PackMatrixB_2c_16(k, nc, nc % NR_INT8, &B(0, j), ldb, local_B);
-#endif
-      //      InnerKernelWithBias(m, nc, alpha, packedA_int8, local_B, beta,
-      //      local_C,
-      //                          &C(0, j), ldc, relu, bias);
-      if (bias == nullptr) {
-        InnerKernel(m, nc, alpha, packedA_int8, local_B, beta, local_C,
-                    &C(0, j), ldc, relu);
-      }
-    }
-  }
-
-  paddle_mobile::memory::Free(packedA_int8);
-  paddle_mobile::memory::Free(packedB_int8);
-  paddle_mobile::memory::Free(packedC_int32);
-  paddle_mobile::memory::Free(zero_int8);
-}
-
 void Gemm::PackMatrixB_omp_8c(int32_t k, int32_t n, int32_t n_tail,
                               const int8_t *B, int32_t ldb, int8_t *buffer) {
   const int32_t j_length = n - n_tail;

src/operators/math/math_function_int8.cpp

@@ -54,9 +54,8 @@ void matmul(const framework::Tensor &matrix_a, bool trans_a,
 
 #ifdef _OPENMP
     if (bias != nullptr) {
-      // TODO(wzzju):gemm.Sgemm_omp_with_bias, now use single thread instead.
-      gemm.Sgemm(M, N, K, alpha, a, K, matrix_b.data<int8_t>(), N, beta,
-                 matrix_out->data<int8_t>(), N, relu, bias);
+      gemm.Sgemm_omp(M, N, K, alpha, a, K, matrix_b.data<int8_t>(), N, beta,
+                     matrix_out->data<int8_t>(), N, relu, bias);
     } else {
       gemm.Sgemm_omp(M, N, K, alpha, a, K, matrix_b.data<int8_t>(), N, beta,
                      matrix_out->data<int32_t>(), N, relu, bias);
@@ -73,10 +72,9 @@ void matmul(const framework::Tensor &matrix_a, bool trans_a,
   } else {
 #ifdef _OPENMP
     if (bias != nullptr) {
-      // TODO(wzzju):gemm.Sgemm_omp_with_bias, now use single thread instead.
-      gemm.Sgemm(M, N, K, alpha, matrix_a.data<int8_t>(), K,
-                 matrix_b.data<int8_t>(), N, beta, matrix_out->data<int8_t>(),
-                 N, relu, bias);
+      gemm.Sgemm_omp(M, N, K, alpha, matrix_a.data<int8_t>(), K,
+                     matrix_b.data<int8_t>(), N, beta,
+                     matrix_out->data<int8_t>(), N, relu, bias);
     } else {
       gemm.Sgemm_omp(M, N, K, alpha, matrix_a.data<int8_t>(), K,
                      matrix_b.data<int8_t>(), N, beta,

test/common/test_gemm_int8_accuracy.cpp

@@ -201,9 +201,8 @@ int do_sgemm_with_bias(int m, int n, int k, bool relu, int pr) {
 
   paddle_mobile::operators::math::Gemm gemm;
 #ifdef _OPENMP
-  // TODO(wzzju):gemm.Sgemm_omp_with_bias, now use single thread instead.
-  gemm.Sgemm(m, n, k, scale, a, lda, b, ldb, static_cast<float>(0), c, ldc,
-             relu, bias);
+  gemm.Sgemm_omp(m, n, k, scale, a, lda, b, ldb, static_cast<float>(0), c, ldc,
+                 relu, bias);
 #else
   gemm.Sgemm(m, n, k, scale, a, lda, b, ldb, static_cast<float>(0), c, ldc,
              relu, bias);

test/operators/test_mul_op.cpp

@@ -95,7 +95,7 @@ int TestMulOP() {
 
 int main() {
   paddle_mobile::PaddleMobile<paddle_mobile::CPU> paddle_mobile;
-  paddle_mobile.SetThreadNum(8);
+  paddle_mobile.SetThreadNum(4);
   paddle_mobile::TestMulOP<int8_t, int32_t>();
   paddle_mobile::TestMulOP<float, float>();
   return 0;