You can not select more than 25 topics Topics must start with a chinese character,a letter or number, can include dashes ('-') and can be up to 35 characters long.

5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
4 years ago
5 years ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577
  1. /*
  2. * Copyright (c) Huawei Technologies Co., Ltd. 2020-2021. All rights reserved.
  3. * Description: mem.h
  4. * Create: 2020-01-01
  5. */
  6. #ifndef CCE_RUNTIME_MEM_H
  7. #define CCE_RUNTIME_MEM_H
  8. #include <stddef.h>
  9. #include "base.h"
  10. #include "config.h"
  11. #include "stream.h"
  12. #if defined(__cplusplus)
  13. extern "C" {
  14. #endif
  15. /**
  16. * @ingroup dvrt_mem
  17. * @brief memory type
  18. */
  19. #define RT_MEMORY_DEFAULT (0x0U) // default memory on device
  20. #define RT_MEMORY_HBM (0x2U) // HBM memory on device
  21. #define RT_MEMORY_RDMA_HBM (0x3U) // RDMA-HBM memory on device
  22. #define RT_MEMORY_DDR (0x4U) // DDR memory on device
  23. #define RT_MEMORY_SPM (0x8U) // shared physical memory on device
  24. #define RT_MEMORY_P2P_HBM (0x10U) // HBM memory on other 4P device
  25. #define RT_MEMORY_P2P_DDR (0x11U) // DDR memory on other device
  26. #define RT_MEMORY_DDR_NC (0x20U) // DDR memory of non-cache
  27. #define RT_MEMORY_TS (0x40U) // Used for Ts memory
  28. #define RT_MEMORY_TS_4G (0x40U) // Used for Ts memory(only 1951)
  29. #define RT_MEMORY_RESERVED (0x100U)
  30. #define RT_MEMORY_L1 (0x1U << 16U)
  31. #define RT_MEMORY_L2 (0x1U << 17U)
  32. /**
  33. * @ingroup dvrt_mem
  34. * @brief memory info type
  35. */
  36. #define RT_MEM_INFO_TYPE_DDR_SIZE (0x1U)
  37. #define RT_MEM_INFO_TYPE_HBM_SIZE (0x2U)
  38. #define RT_MEM_INFO_TYPE_DDR_P2P_SIZE (0x3U)
  39. #define RT_MEM_INFO_TYPE_HBM_P2P_SIZE (0x4U)
  40. /**
  41. * @ingroup dvrt_mem
  42. * @brief memory Policy
  43. */
  44. #define RT_MEMORY_POLICY_NONE (0x0U) // Malloc mem prior huge page, then default page
  45. #define RT_MEMORY_POLICY_HUGE_PAGE_FIRST (0x400U) // Malloc mem prior huge page, then default page, 0x1U << 10U
  46. #define RT_MEMORY_POLICY_HUGE_PAGE_ONLY (0x800U) // Malloc mem only use huge page, 0x1U << 11U
  47. #define RT_MEMORY_POLICY_DEFAULT_PAGE_ONLY (0x1000U) // Malloc mem only use default page, 0x1U << 12U
  48. // Malloc mem prior huge page, then default page, for p2p, 0x1U << 13U
  49. #define RT_MEMORY_POLICY_HUGE_PAGE_FIRST_P2P (0x2000U)
  50. #define RT_MEMORY_POLICY_HUGE_PAGE_ONLY_P2P (0x4000U) // Malloc mem only use huge page, use for p2p, 0x1U << 14U
  51. #define RT_MEMORY_POLICY_DEFAULT_PAGE_ONLY_P2P (0x8000U) // Malloc mem only use default page, use for p2p, 0x1U << 15U
  52. #define MEM_ALLOC_TYPE_BIT (0x3FFU) // mem type bit in <0, 9>
  53. /**
  54. * @ingroup dvrt_mem
  55. * @brief memory type | memory Policy
  56. */
  57. typedef uint32_t rtMemType_t;
  58. /**
  59. * @ingroup dvrt_mem
  60. * @brief memory advise type
  61. */
  62. #define RT_MEMORY_ADVISE_EXE (0x02U)
  63. #define RT_MEMORY_ADVISE_THP (0x04U)
  64. #define RT_MEMORY_ADVISE_PLE (0x08U)
  65. #define RT_MEMORY_ADVISE_PIN (0x16U)
  66. /**
  67. * @ingroup dvrt_mem
  68. * @brief memory copy type
  69. */
  70. typedef enum tagRtMemcpyKind {
  71. RT_MEMCPY_HOST_TO_HOST = 0, // host to host
  72. RT_MEMCPY_HOST_TO_DEVICE, // host to device
  73. RT_MEMCPY_DEVICE_TO_HOST, // device to host
  74. RT_MEMCPY_DEVICE_TO_DEVICE, // device to device, 1P && P2P
  75. RT_MEMCPY_MANAGED, // managed memory
  76. RT_MEMCPY_ADDR_DEVICE_TO_DEVICE,
  77. RT_MEMCPY_HOST_TO_DEVICE_EX, // host to device ex (only used for 8 bytes)
  78. RT_MEMCPY_DEVICE_TO_HOST_EX, // device to host ex
  79. RT_MEMCPY_RESERVED,
  80. } rtMemcpyKind_t;
  81. typedef enum tagRtMemInfoType {
  82. RT_MEMORYINFO_DDR,
  83. RT_MEMORYINFO_HBM,
  84. RT_MEMORYINFO_DDR_HUGE, // Hugepage memory of DDR
  85. RT_MEMORYINFO_DDR_NORMAL, // Normal memory of DDR
  86. RT_MEMORYINFO_HBM_HUGE, // Hugepage memory of HBM
  87. RT_MEMORYINFO_HBM_NORMAL, // Normal memory of HBM
  88. RT_MEMORYINFO_DDR_P2P_HUGE, // Hugepage memory of DDR
  89. RT_MEMORYINFO_DDR_P2P_NORMAL, // Normal memory of DDR
  90. RT_MEMORYINFO_HBM_P2P_HUGE, // Hugepage memory of HBM
  91. RT_MEMORYINFO_HBM_P2P_NORMAL, // Normal memory of HBM
  92. } rtMemInfoType_t;
  93. typedef enum tagRtRecudeKind {
  94. RT_MEMCPY_SDMA_AUTOMATIC_ADD = 10, // D2D, SDMA inline reduce, include 1P, and P2P
  95. RT_MEMCPY_SDMA_AUTOMATIC_MAX = 11,
  96. RT_MEMCPY_SDMA_AUTOMATIC_MIN = 12,
  97. RT_MEMCPY_SDMA_AUTOMATIC_EQUAL = 13,
  98. RT_RECUDE_KIND_END = 14,
  99. } rtRecudeKind_t;
  100. typedef enum tagRtDataType {
  101. RT_DATA_TYPE_FP32 = 0, // fp32
  102. RT_DATA_TYPE_FP16 = 1, // fp16
  103. RT_DATA_TYPE_INT16 = 2, // int16
  104. RT_DATA_TYPE_INT4 = 3, // int4
  105. RT_DATA_TYPE_INT8 = 4, // int8
  106. RT_DATA_TYPE_INT32 = 5, // int32
  107. RT_DATA_TYPE_BFP16 = 6, // bfp16
  108. RT_DATA_TYPE_BFP32 = 7, // bfp32
  109. RT_DATA_TYPE_UINT8 = 8, // uint8
  110. RT_DATA_TYPE_UINT16 = 9, // uint16
  111. RT_DATA_TYPE_UINT32 = 10, // uint32
  112. RT_DATA_TYPE_END = 11,
  113. } rtDataType_t;
  114. /**
  115. * @ingroup dvrt_mem
  116. * @brief memory copy channel type
  117. */
  118. typedef enum tagRtMemcpyChannelType {
  119. RT_MEMCPY_CHANNEL_TYPE_INNER = 0, // 1P
  120. RT_MEMCPY_CHANNEL_TYPE_PCIe,
  121. RT_MEMCPY_CHANNEL_TYPE_HCCs, // not support now
  122. RT_MEMCPY_CHANNEL_TYPE_RESERVED,
  123. } rtMemcpyChannelType_t;
  124. /**
  125. * @ingroup rt_kernel
  126. * @brief ai core memory size
  127. */
  128. typedef struct rtAiCoreMemorySize {
  129. uint32_t l0ASize;
  130. uint32_t l0BSize;
  131. uint32_t l0CSize;
  132. uint32_t l1Size;
  133. uint32_t ubSize;
  134. uint32_t l2Size;
  135. uint32_t l2PageNum;
  136. uint32_t blockSize;
  137. uint64_t bankSize;
  138. uint64_t bankNum;
  139. uint64_t burstInOneBlock;
  140. uint64_t bankGroupNum;
  141. } rtAiCoreMemorySize_t;
  142. /**
  143. * @ingroup dvrt_mem
  144. * @brief memory type
  145. */
  146. typedef enum tagRtMemoryType {
  147. RT_MEMORY_TYPE_HOST = 1,
  148. RT_MEMORY_TYPE_DEVICE = 2,
  149. RT_MEMORY_TYPE_SVM = 3,
  150. RT_MEMORY_TYPE_DVPP = 4
  151. } rtMemoryType_t;
  152. /**
  153. * @ingroup dvrt_mem
  154. * @brief memory attribute
  155. */
  156. typedef struct tagRtPointerAttributes {
  157. rtMemoryType_t memoryType; // host memory or device memory
  158. rtMemoryType_t locationType;
  159. uint32_t deviceID; // device ID
  160. uint32_t pageSize;
  161. } rtPointerAttributes_t;
  162. typedef struct {
  163. const char_t *name;
  164. const uint64_t size;
  165. uint32_t flag;
  166. } rtMallocHostSharedMemoryIn;
  167. typedef struct {
  168. int32_t fd;
  169. void *ptr;
  170. void *devPtr;
  171. } rtMallocHostSharedMemoryOut;
  172. typedef struct {
  173. const char_t *name;
  174. const uint64_t size;
  175. int32_t fd;
  176. void *ptr;
  177. void *devPtr;
  178. } rtFreeHostSharedMemoryIn;
  179. /**
  180. * @ingroup dvrt_mem
  181. * @brief alloc device memory
  182. * @param [in|out] devPtr memory pointer
  183. * @param [in] size memory size
  184. * @param [in] type memory type
  185. * @return RT_ERROR_NONE for ok
  186. * @return RT_ERROR_INVALID_VALUE for error input
  187. */
  188. RTS_API rtError_t rtMalloc(void **devPtr, uint64_t size, rtMemType_t type);
  189. /**
  190. * @ingroup dvrt_mem
  191. * @brief free device memory
  192. * @param [in|out] devPtr memory pointer
  193. * @return RT_ERROR_NONE for ok
  194. * @return RT_ERROR_INVALID_VALUE for error input
  195. */
  196. RTS_API rtError_t rtFree(void *devPtr);
  197. /**
  198. * @ingroup dvrt_mem
  199. * @brief alloc device memory for dvpp
  200. * @param [in|out] devPtr memory pointer
  201. * @param [in] size memory size
  202. * @return RT_ERROR_NONE for ok
  203. * @return RT_ERROR_INVALID_VALUE for error input
  204. */
  205. RTS_API rtError_t rtDvppMalloc(void **devPtr, uint64_t size);
  206. /**
  207. * @ingroup dvrt_mem
  208. * @brief free device memory for dvpp
  209. * @param [in|out] devPtr memory pointer
  210. * @return RT_ERROR_NONE for ok
  211. * @return RT_ERROR_INVALID_VALUE for error input
  212. */
  213. RTS_API rtError_t rtDvppFree(void *devPtr);
  214. /**
  215. * @ingroup dvrt_mem
  216. * @brief alloc host memory
  217. * @param [in|out] hostPtr memory pointer
  218. * @param [in] size memory size
  219. * @return RT_ERROR_NONE for ok
  220. * @return RT_ERROR_INVALID_VALUE for error input
  221. */
  222. RTS_API rtError_t rtMallocHost(void **hostPtr, uint64_t size);
  223. /**
  224. * @ingroup dvrt_mem
  225. * @brief free host memory
  226. * @param [in] hostPtr memory pointer
  227. * @return RT_ERROR_NONE for ok
  228. * @return RT_ERROR_INVALID_VALUE for error input
  229. */
  230. RTS_API rtError_t rtFreeHost(void *hostPtr);
  231. /**
  232. * @ingroup dvrt_mem
  233. * @brief alloc host shared memory
  234. * @param [in] in alloc host shared memory inputPara pointer
  235. * @param [in] out alloc host shared memory outputInfo pointer
  236. * @return RT_ERROR_NONE for ok
  237. * @return RT_ERROR_INVALID_VALUE for error input
  238. */
  239. RTS_API rtError_t rtMallocHostSharedMemory(rtMallocHostSharedMemoryIn *in,
  240. rtMallocHostSharedMemoryOut *out);
  241. /**
  242. * @ingroup dvrt_mem
  243. * @brief free host memory
  244. * @param [in] in free host shared memory inputPara pointer
  245. * @return RT_ERROR_NONE for ok
  246. * @return RT_ERROR_INVALID_VALUE for error input
  247. */
  248. RTS_API rtError_t rtFreeHostSharedMemory(rtFreeHostSharedMemoryIn *in);
  249. /**
  250. * @ingroup dvrt_mem
  251. * @brief alloc managed memory
  252. * @param [in|out] ptr memory pointer
  253. * @param [in] size memory size
  254. * @param [in] flag reserved, set to 0.
  255. * @return RT_ERROR_NONE for ok
  256. * @return RT_ERROR_INVALID_VALUE for error input
  257. */
  258. RTS_API rtError_t rtMemAllocManaged(void **ptr, uint64_t size, uint32_t flag);
  259. /**
  260. * @ingroup dvrt_mem
  261. * @brief free managed memory
  262. * @param [in] ptr memory pointer
  263. * @return RT_ERROR_NONE for ok
  264. * @return RT_ERROR_INVALID_VALUE for error input
  265. */
  266. RTS_API rtError_t rtMemFreeManaged(void *ptr);
  267. /**
  268. * @ingroup dvrt_mem
  269. * @brief alloc cached device memory
  270. * @param [in| devPtr memory pointer
  271. * @param [in] size memory size
  272. * @param [in] type memory type
  273. * @return RT_ERROR_NONE for ok
  274. */
  275. RTS_API rtError_t rtMallocCached(void **devPtr, uint64_t size, rtMemType_t type);
  276. /**
  277. * @ingroup dvrt_mem
  278. * @brief flush device mempory
  279. * @param [in] base virtal base address
  280. * @param [in] len memory size
  281. * @return RT_ERROR_NONE for ok, errno for failed
  282. */
  283. RTS_API rtError_t rtFlushCache(void *base, size_t len);
  284. /**
  285. * @ingroup dvrt_mem
  286. * @brief invalid device mempory
  287. * @param [in] base virtal base address
  288. * @param [in] len memory size
  289. * @return RT_ERROR_NONE for ok, errno for failed
  290. */
  291. RTS_API rtError_t rtInvalidCache(void *base, size_t len);
  292. /**
  293. * @ingroup dvrt_mem
  294. * @brief synchronized memcpy
  295. * @param [in] dst destination address pointer
  296. * @param [in] Max length of destination address memory
  297. * @param [in] src source address pointer
  298. * @param [in] cnt the number of byte to copy
  299. * @param [in] kind memcpy type
  300. * @return RT_ERROR_NONE for ok
  301. * @return RT_ERROR_INVALID_VALUE for error input
  302. */
  303. RTS_API rtError_t rtMemcpy(void *dst, uint64_t destMax, const void *src, uint64_t cnt, rtMemcpyKind_t kind);
  304. /**
  305. * @ingroup dvrt_mem
  306. * @brief asynchronized memcpy
  307. * @param [in] dst destination address pointer
  308. * @param [in] Max length of destination address memory
  309. * @param [in] src source address pointer
  310. * @param [in] cnt the number of byte to copy
  311. * @param [in] kind memcpy type
  312. * @param [in] stm asynchronized task stream
  313. * @return RT_ERROR_NONE for ok
  314. * @return RT_ERROR_INVALID_VALUE for error input
  315. */
  316. RTS_API rtError_t rtMemcpyAsync(void *dst, uint64_t destMax, const void *src, uint64_t cnt, rtMemcpyKind_t kind,
  317. rtStream_t stm);
  318. /**
  319. * @ingroup dvrt_mem
  320. * @brief asynchronized reduce memcpy
  321. * @param [in] dst destination address pointer
  322. * @param [in] Max length of destination address memory
  323. * @param [in] src source address pointer
  324. * @param [in] cnt the number of byte to copy
  325. * @param [in] kind memcpy type
  326. * @param [in] type data type
  327. * @param [in] stm asynchronized task stream
  328. * @return RT_ERROR_NONE for ok
  329. * @return RT_ERROR_INVALID_VALUE for error input
  330. */
  331. RTS_API rtError_t rtReduceAsync(void *dst, uint64_t destMax, const void *src, uint64_t cnt, rtRecudeKind_t kind,
  332. rtDataType_t type, rtStream_t stm);
  333. /**
  334. * @ingroup dvrt_mem
  335. * @brief synchronized memcpy2D
  336. * @param [in] dst destination address pointer
  337. * @param [in] dstPitch pitch of destination memory
  338. * @param [in] src source address pointer
  339. * @param [in] srcPitch pitch of source memory
  340. * @param [in] width width of matrix transfer
  341. * @param [in] height height of matrix transfer
  342. * @param [in] kind memcpy type
  343. * @return RT_ERROR_NONE for ok
  344. * @return RT_ERROR_INVALID_VALUE for error input
  345. */
  346. RTS_API rtError_t rtMemcpy2d(void *dst, uint64_t dstPitch, const void *src, uint64_t srcPitch, uint64_t width,
  347. uint64_t height, rtMemcpyKind_t kind);
  348. /**
  349. * @ingroup dvrt_mem
  350. * @brief asynchronized memcpy2D
  351. * @param [in] dst destination address pointer
  352. * @param [in] dstPitch length of destination address memory
  353. * @param [in] src source address pointer
  354. * @param [in] srcPitch length of destination address memory
  355. * @param [in] width width of matrix transfer
  356. * @param [in] height height of matrix transfer
  357. * @param [in] kind memcpy type
  358. * @param [in] stm asynchronized task stream
  359. * @return RT_ERROR_NONE for ok
  360. * @return RT_ERROR_INVALID_VALUE for error input
  361. */
  362. RTS_API rtError_t rtMemcpy2dAsync(void *dst, uint64_t dstPitch, const void *src, uint64_t srcPitch, uint64_t width,
  363. uint64_t height, rtMemcpyKind_t kind, rtStream_t stm);
  364. /**
  365. * @ingroup dvrt_mem
  366. * @brief query memory size
  367. * @param [in] aiCoreMemorySize
  368. * @return RT_ERROR_NONE for ok, errno for failed
  369. * @return RT_ERROR_INVALID_VALUE for error input
  370. */
  371. RTS_API rtError_t rtAiCoreMemorySizes(rtAiCoreMemorySize_t *aiCoreMemorySize);
  372. /**
  373. * @ingroup dvrt_mem
  374. * @brief set memory size, Setting before model reasoning, Bright screen to prevent model can not be fully
  375. integrated network due to memory limitations.Requirement come from JiaMinHu.Only use for Tiny.
  376. * @param [in] aiCoreMemorySize
  377. * @return RT_ERROR_NONE for ok, errno for failed
  378. * @return RT_ERROR_INVALID_VALUE for error input
  379. */
  380. RTS_API rtError_t rtSetAiCoreMemorySizes(rtAiCoreMemorySize_t *aiCoreMemorySize);
  381. /**
  382. * @ingroup dvrt_mem
  383. * @brief set memory with uint32_t value
  384. * @param [in] devPtr
  385. * @param [in] Max length of destination address memory
  386. * @param [in] val
  387. * @param [in] cnt byte num
  388. * @return RT_ERROR_NONE for ok, errno for failed
  389. * @return RT_ERROR_INVALID_VALUE for error input
  390. */
  391. RTS_API rtError_t rtMemset(void *devPtr, uint64_t destMax, uint32_t val, uint64_t cnt);
  392. /**
  393. * @ingroup dvrt_mem
  394. * @brief set memory with uint32_t value async
  395. * @param [in] devPtr
  396. * @param [in] Max length of destination address memory
  397. * @param [in] val
  398. * @param [in] cnt byte num
  399. * @param [in] stm
  400. * @return RT_ERROR_NONE for ok, errno for failed
  401. * @return RT_ERROR_INVALID_VALUE for error input
  402. */
  403. RTS_API rtError_t rtMemsetAsync(void *ptr, uint64_t destMax, uint32_t val, uint64_t cnt, rtStream_t stm);
  404. /**
  405. * @ingroup dvrt_mem
  406. * @brief get current device memory total and free
  407. * @param [out] freeSize
  408. * @param [out] totalSize
  409. * @return RT_ERROR_NONE for ok, errno for failed
  410. * @return RT_ERROR_INVALID_VALUE for error input
  411. */
  412. RTS_API rtError_t rtMemGetInfo(size_t *freeSize, size_t *totalSize);
  413. /**
  414. * @ingroup dvrt_mem
  415. * @brief get current device memory total and free
  416. * @param [in] memInfoType
  417. * @param [out] freeSize
  418. * @param [out] totalSize
  419. * @return RT_ERROR_NONE for ok, errno for failed
  420. */
  421. RTS_API rtError_t rtMemGetInfoEx(rtMemInfoType_t memInfoType, size_t *freeSize, size_t *totalSize);
  422. /**
  423. * @ingroup dvrt_mem
  424. * @brief set memory with uint32_t value
  425. * @param [in] devPtr
  426. * @param [in] len
  427. * @param [in] devId
  428. * @return RT_ERROR_NONE for ok, errno for failed
  429. * @return RT_ERROR_INVALID_VALUE for error input
  430. */
  431. RTS_API rtError_t rtMemPrefetchToDevice(void *devPtr, uint64_t len, int32_t devId);
  432. /**
  433. * @ingroup dvrt_mem
  434. * @brief get memory attribute:Host or Device
  435. * @param [in] ptr
  436. * @param [out] attributes
  437. * @return RT_ERROR_NONE for ok, errno for failed
  438. * @return RT_ERROR_INVALID_VALUE for error input
  439. */
  440. RTS_API rtError_t rtPointerGetAttributes(rtPointerAttributes_t *attributes, const void *ptr);
  441. /**
  442. * @ingroup dvrt_mem
  443. * @brief make memory shared interprocess and assigned a name
  444. * @param [in] ptr device memory address pointer
  445. * @param [in] name identification name
  446. * @param [in] byteCount identification byteCount
  447. * @return RT_ERROR_NONE for ok
  448. * @return RT_ERROR_INVALID_VALUE for error input
  449. * @return RT_ERROR_DRV_ERR for driver error
  450. */
  451. RTS_API rtError_t rtIpcSetMemoryName(const void *ptr, uint64_t byteCount, char_t *name, uint32_t len);
  452. /**
  453. * @ingroup dvrt_mem
  454. * @brief destroy a interprocess shared memory
  455. * @param [in] name identification name
  456. * @return RT_ERROR_NONE for ok
  457. * @return RT_ERROR_INVALID_VALUE for error input
  458. * @return RT_ERROR_DRV_ERR for driver error
  459. */
  460. RTS_API rtError_t rtIpcDestroyMemoryName(const char_t *name);
  461. /**
  462. * @ingroup dvrt_mem
  463. * @brief open a interprocess shared memory
  464. * @param [in|out] ptr device memory address pointer
  465. * @param [in] name identification name
  466. * @return RT_ERROR_NONE for ok
  467. * @return RT_ERROR_INVALID_VALUE for error input
  468. * @return RT_ERROR_DRV_ERR for driver error
  469. */
  470. RTS_API rtError_t rtIpcOpenMemory(void **ptr, const char_t *name);
  471. /**
  472. * @ingroup dvrt_mem
  473. * @brief close a interprocess shared memory
  474. * @param [in] ptr device memory address pointer
  475. * @param [in] name identification name
  476. * @return RT_ERROR_NONE for ok
  477. * @return RT_ERROR_INVALID_VALUE for error input
  478. * @return RT_ERROR_DRV_ERR for driver error
  479. */
  480. RTS_API rtError_t rtIpcCloseMemory(const void *ptr);
  481. /**
  482. * @ingroup dvrt_mem
  483. * @brief HCCL Async memory cpy
  484. * @param [in] sqIndex sq index
  485. * @param [in] wqeIndex moudle index
  486. * @param [in] stm asynchronized task stream
  487. * @return RT_ERROR_NONE for ok
  488. * @return RT_ERROR_INVALID_VALUE for error input
  489. * @return RT_ERROR_DRV_ERR for driver error
  490. */
  491. RTS_API rtError_t rtRDMASend(uint32_t sqIndex, uint32_t wqeIndex, rtStream_t stm);
  492. /**
  493. * @ingroup dvrt_mem
  494. * @brief Ipc set mem pid
  495. * @param [in] name name to be queried
  496. * @param [in] pid process id
  497. * @param [in] num length of pid[]
  498. * @return RT_ERROR_NONE for ok
  499. * @return RT_ERROR_INVALID_VALUE for error input
  500. * @return RT_ERROR_DRV_ERR for driver error
  501. */
  502. RTS_API rtError_t rtSetIpcMemPid(const char_t *name, int32_t pid[], int32_t num);
  503. /**
  504. * @ingroup dvrt_mem
  505. * @brief HCCL Async memory cpy
  506. * @param [in] dbindex single device 0
  507. * @param [in] dbinfo doorbell info
  508. * @param [in] stm asynchronized task stream
  509. * @return RT_ERROR_NONE for ok
  510. * @return RT_ERROR_INVALID_VALUE for error input
  511. * @return RT_ERROR_DRV_ERR for driver error
  512. */
  513. RTS_API rtError_t rtRDMADBSend(uint32_t dbIndex, uint64_t dbInfo, rtStream_t stm);
  514. #if defined(__cplusplus)
  515. }
  516. #endif
  517. #endif // CCE_RUNTIME_MEM_H

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