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comparison src/gpu/ptx/vm/gpu_ptx.hpp @ 11283:1cd1f8ff70a1

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CR-20: PTX kernel invocation with arguments - from Bharadwaj
author Morris Meyer <morris.meyer@oracle.com>
date Sat, 10 Aug 2013 14:38:30 -0400
parents d55f24eac4b1
children 4a6b03a16808
comparison
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11282:12661a449226 11283:1cd1f8ff70a1
28 /* 28 /*
29 * Some useful macro definitions from publicly available cuda.h. 29 * Some useful macro definitions from publicly available cuda.h.
30 * These definitions are for convenience. 30 * These definitions are for convenience.
31 */ 31 */
32 #define GRAAL_CUDA_SUCCESS 0 32 #define GRAAL_CUDA_SUCCESS 0
33 /**< Device shares a unified address space with the host */
34 #define GRAAL_CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING 41
33 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR 75 35 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR 75
34 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR 76 36 #define GRAAL_CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR 76
35 #define GRAAL_CU_JIT_MAX_REGISTERS 0 37 #define GRAAL_CU_JIT_MAX_REGISTERS 0
36 #define GRAAL_CU_JIT_THREADS_PER_BLOCK 1 38 #define GRAAL_CU_JIT_THREADS_PER_BLOCK 1
37 #define GRAAL_CU_JIT_INFO_LOG_BUFFER 3 39 #define GRAAL_CU_JIT_INFO_LOG_BUFFER 3
38 #define GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES 4 40 #define GRAAL_CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES 4
39 #define GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU 209 41 #define GRAAL_CUDA_ERROR_NO_BINARY_FOR_GPU 209
40 42
43 /**
44 * End of array terminator for the extra parameter to
45 * ::cuLaunchKernel
46 */
47 #define GRAAL_CU_LAUNCH_PARAM_END ((void*)0x00)
48
49 /**
50 * Indicator that the next value in the extra parameter to
51 * ::cuLaunchKernel will be a pointer to a buffer containing all kernel
52 * parameters used for launching kernel f. This buffer needs to
53 * honor all alignment/padding requirements of the individual parameters.
54 * If ::GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE is not also specified in the
55 * extra array, then ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER will have no
56 * effect.
57 */
58 #define GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER ((void*)0x01)
59
60 /**
61 * Indicator that the next value in the extra parameter to
62 * ::cuLaunchKernel will be a pointer to a size_t which contains the
63 * size of the buffer specified with ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER.
64 * It is required that ::GRAAL_CU_LAUNCH_PARAM_BUFFER_POINTER also be specified
65 * in the extra array if the value associated with
66 * ::GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE is not zero.
67 */
68 #define GRAAL_CU_LAUNCH_PARAM_BUFFER_SIZE ((void*)0x02)
69
41 class Ptx { 70 class Ptx {
42 friend class gpu; 71 friend class gpu;
43 72
44 protected: 73 protected:
45 static bool probe_linkage(); 74 static bool probe_linkage();
46 static bool initialize_gpu(); 75 static bool initialize_gpu();
47 static void * generate_kernel(unsigned char *code, int code_len, const char *name); 76 static void * generate_kernel(unsigned char *code, int code_len, const char *name);
48 static bool execute_kernel(address kernel); 77 static bool execute_kernel(address kernel, JavaCallArguments *);
49 78
50 private: 79 private:
51 typedef int (*cuda_cu_init_func_t)(unsigned int); 80 typedef int (*cuda_cu_init_func_t)(unsigned int);
52 typedef int (*cuda_cu_ctx_create_func_t)(void *, int, int); 81 typedef int (*cuda_cu_ctx_create_func_t)(void *, int, int);
53 typedef int (*cuda_cu_ctx_detach_func_t)(int *); 82 typedef int (*cuda_cu_ctx_detach_func_t)(int *);