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customize.h 1.7 kB

3 years ago
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  1. /**
  2. * Copyright 2019-2020 Huawei Technologies Co., Ltd
  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. #ifndef CC_CUSTOMIZE_API__
  17. #define CC_CUSTOMIZE_API__
  18. #include <stdint.h>
  19. #define CC_DEVICE_DIM_MAX 8
  20. typedef enum tagOpTensorFormat
  21. {
  22. OP_TENSOR_FORMAT_NC1HWC0 = 0,
  23. OP_TENSOR_FORMAT_ND,
  24. OP_TENSOR_FORMAT_RESERVED,
  25. } opTensorFormat_t;
  26. typedef enum tagOpDataType
  27. {
  28. OP_DATA_FLOAT = 0, /**< float type */
  29. OP_DATA_HALF, /**< fp16 type */
  30. OP_DATA_INT8, /**< int8 type */
  31. OP_DATA_INT32, /**< int32 type */
  32. OP_DATA_UINT8, /**< uint8 type */
  33. OP_DATA_HALF_UINT16_PROPOSAL, /**<mixed type for proposal*/
  34. OP_DATA_RESERVED
  35. } opDataType_t;
  36. typedef struct tagOpTensor
  37. {
  38. // real dim info
  39. opTensorFormat_t format;
  40. opDataType_t data_type;
  41. int32_t dim_cnt;
  42. int32_t mm;
  43. int32_t dim[CC_DEVICE_DIM_MAX];
  44. } opTensor_t;
  45. typedef opTensor_t tagCcAICPUTensor;
  46. typedef void * rtStream_t;
  47. typedef void (*aicpu_run_func)(opTensor_t **, void **, int32_t,
  48. opTensor_t **, void **, int32_t, void *, rtStream_t);
  49. #endif // CC_CUSTOMIZE_API__

图引擎模块(GE)是MindSpore的一个子模块,其代码由C++实现,位于前端模块ME和底层硬件之间,起到承接作用。图引擎模块以ME下发的图作为输入,然后进行一系列的深度图优化操作,最后输出一张可以在底层硬件上高效运行的图。GE针对昇腾AI处理器的硬件结构特点,做了特定的优化工作,以此来充分发挥出昇腾AI处理器的强大算力。在进行模型训练/推理时,GE会被自动调用而用户并不感知。GE主要由GE API和GE Core两部分组成,详细的架构图如下所示