1 | /******************************************************************************* |
2 | * Copyright 2020 Intel Corporation |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | *******************************************************************************/ |
16 | |
17 | #ifndef CPU_GEMM_GEMM_MSAN_UNPOISON_HPP |
18 | #define CPU_GEMM_GEMM_MSAN_UNPOISON_HPP |
19 | |
20 | namespace dnnl { |
21 | namespace impl { |
22 | namespace cpu { |
23 | |
24 | inline void msan_unpoison_matrix( |
25 | void *C, dim_t M, dim_t N, dim_t LDC, size_t typesize) { |
26 | assert(C != nullptr && LDC >= M && typesize); |
27 | if (msan_enabled && C != nullptr) { |
28 | if ((M <= 0) || (N <= 0)) return; |
29 | |
30 | size_t col_size = M * typesize; |
31 | size_t col_stride = LDC * typesize; |
32 | uint8_t *col = (uint8_t *)C; |
33 | for (dim_t j = 0; j < N; j++) { |
34 | msan_unpoison(col, col_size); |
35 | col += col_stride; |
36 | } |
37 | } |
38 | } |
39 | |
40 | } // namespace cpu |
41 | } // namespace impl |
42 | } // namespace dnnl |
43 | |
44 | #endif |
45 | |