Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 1 | // Copyright 2019 Google LLC |
| 2 | // |
| 3 | // This source code is licensed under the BSD-style license found in the |
| 4 | // LICENSE file in the root directory of this source tree. |
| 5 | |
| 6 | #include <assert.h> |
| 7 | #include <stddef.h> |
| 8 | #include <stdlib.h> |
| 9 | #ifdef __ANDROID__ |
| 10 | #include <malloc.h> |
| 11 | #endif |
| 12 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 13 | #include <xnnpack/allocator.h> |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 14 | #include <xnnpack/common.h> |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 15 | |
| 16 | |
| 17 | extern int posix_memalign(void **memptr, size_t alignment, size_t size); |
| 18 | |
| 19 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 20 | static void* xnn_allocate(void* context, size_t size) { |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 21 | return malloc(size); |
| 22 | } |
| 23 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 24 | static void* xnn_reallocate(void* context, void* pointer, size_t size) { |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 25 | return realloc(pointer, size); |
| 26 | } |
| 27 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 28 | static void xnn_deallocate(void* context, void* pointer) { |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 29 | if XNN_LIKELY(pointer != NULL) { |
| 30 | free(pointer); |
| 31 | } |
| 32 | } |
| 33 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 34 | static void* xnn_aligned_allocate(void* context, size_t alignment, size_t size) { |
Marat Dukhan | a199d49 | 2020-07-24 15:01:25 -0700 | [diff] [blame] | 35 | #if XNN_ARCH_WASM |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 36 | assert(alignment <= 2 * sizeof(void*)); |
| 37 | return malloc(size); |
Zhi An Ng | 0db15d3 | 2021-12-10 16:45:06 -0800 | [diff] [blame] | 38 | #elif XNN_PLATFORM_ANDROID |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 39 | return memalign(alignment, size); |
Zhi An Ng | 0db15d3 | 2021-12-10 16:45:06 -0800 | [diff] [blame] | 40 | #elif XNN_PLATFORM_WINDOWS |
Yasuhiro Matsumoto | 462be05 | 2020-02-29 13:41:14 +0900 | [diff] [blame] | 41 | return _aligned_malloc(size, alignment); |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 42 | #else |
| 43 | void* memory_ptr = NULL; |
| 44 | if (posix_memalign(&memory_ptr, alignment, size) != 0) { |
| 45 | return NULL; |
| 46 | } |
| 47 | return memory_ptr; |
| 48 | #endif |
| 49 | } |
| 50 | |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 51 | static void xnn_aligned_deallocate(void* context, void* pointer) { |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 52 | if XNN_LIKELY(pointer != NULL) { |
Marat Dukhan | 504f594 | 2020-04-13 01:07:08 -0700 | [diff] [blame] | 53 | #if defined(_WIN32) |
| 54 | _aligned_free(pointer); |
| 55 | #else |
| 56 | free(pointer); |
| 57 | #endif |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 58 | } |
| 59 | } |
Marat Dukhan | 496389f | 2021-04-07 15:47:12 -0700 | [diff] [blame] | 60 | |
| 61 | const struct xnn_allocator xnn_default_allocator = { |
| 62 | .allocate = xnn_allocate, |
| 63 | .reallocate = xnn_reallocate, |
| 64 | .deallocate = xnn_deallocate, |
| 65 | .aligned_allocate = xnn_aligned_allocate, |
| 66 | .aligned_deallocate = xnn_aligned_deallocate, |
| 67 | }; |