1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
//===--------- support.h - NVPTX OpenMP support functions -------- CUDA -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.txt for details.
//
//===----------------------------------------------------------------------===//
//
// Wrapper to some functions natively supported by the GPU.
//
//===----------------------------------------------------------------------===//
////////////////////////////////////////////////////////////////////////////////
// Execution Parameters
////////////////////////////////////////////////////////////////////////////////
enum ExecutionMode {
Generic = 0x00u,
Spmd = 0x01u,
ModeMask = 0x01u,
};
enum RuntimeMode {
RuntimeInitialized = 0x00u,
RuntimeUninitialized = 0x02u,
RuntimeMask = 0x02u,
};
INLINE void setExecutionParameters(ExecutionMode EMode, RuntimeMode RMode);
INLINE bool isGenericMode();
INLINE bool isSPMDMode();
INLINE bool isRuntimeUninitialized();
INLINE bool isRuntimeInitialized();
////////////////////////////////////////////////////////////////////////////////
// get info from machine
////////////////////////////////////////////////////////////////////////////////
// get low level ids of resources
INLINE int GetThreadIdInBlock();
INLINE int GetBlockIdInKernel();
INLINE int GetNumberOfBlocksInKernel();
INLINE int GetNumberOfThreadsInBlock();
// get global ids to locate tread/team info (constant regardless of OMP)
INLINE int GetLogicalThreadIdInBlock();
INLINE int GetMasterThreadID();
INLINE int GetNumberOfWorkersInTeam();
// get OpenMP thread and team ids
INLINE int GetOmpThreadId(int threadId, bool isSPMDExecutionMode,
bool isRuntimeUninitialized); // omp_thread_num
INLINE int GetOmpTeamId(); // omp_team_num
// get OpenMP number of threads and team
INLINE int
GetNumberOfOmpThreads(int threadId, bool isSPMDExecutionMode,
bool isRuntimeUninitialized); // omp_num_threads
INLINE int GetNumberOfOmpTeams(); // omp_num_teams
// get OpenMP number of procs
INLINE int GetNumberOfProcsInTeam();
INLINE int GetNumberOfProcsInDevice();
// masters
INLINE int IsTeamMaster(int ompThreadId);
////////////////////////////////////////////////////////////////////////////////
// Memory
////////////////////////////////////////////////////////////////////////////////
// safe alloc and free
INLINE void *SafeMalloc(size_t size, const char *msg); // check if success
INLINE void *SafeFree(void *ptr, const char *msg);
// pad to a alignment (power of 2 only)
INLINE unsigned long PadBytes(unsigned long size, unsigned long alignment);
#define ADD_BYTES(_addr, _bytes) \
((void *)((char *)((void *)(_addr)) + (_bytes)))
#define SUB_BYTES(_addr, _bytes) \
((void *)((char *)((void *)(_addr)) - (_bytes)))
////////////////////////////////////////////////////////////////////////////////
// Named Barrier Routines
////////////////////////////////////////////////////////////////////////////////
INLINE void named_sync(const int barrier, const int num_threads);
////////////////////////////////////////////////////////////////////////////////
// Teams Reduction Scratchpad Helpers
////////////////////////////////////////////////////////////////////////////////
INLINE unsigned int *GetTeamsReductionTimestamp();
INLINE char *GetTeamsReductionScratchpad();
INLINE void SetTeamsReductionScratchpadPtr(void *ScratchpadPtr);
|
