xref: /libCEED/rust/libceed-sys/c-src/backends/hip/ceed-hip-compile.cpp (revision a491a57ee1186d4a57a443cd84e0df1f56768bf7)
1 // Copyright (c) 2017-2024, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 #include "ceed-hip-compile.h"
9 
10 #include <ceed.h>
11 #include <ceed/backend.h>
12 #include <ceed/jit-tools.h>
13 #include <stdarg.h>
14 #include <string.h>
15 #include <hip/hiprtc.h>
16 
17 #include <sstream>
18 
19 #include "ceed-hip-common.h"
20 
21 #define CeedChk_hiprtc(ceed, x)                                                                               \
22   do {                                                                                                        \
23     hiprtcResult result = static_cast<hiprtcResult>(x);                                                       \
24     if (result != HIPRTC_SUCCESS) return CeedError((ceed), CEED_ERROR_BACKEND, hiprtcGetErrorString(result)); \
25   } while (0)
26 
27 #define CeedCallHiprtc(ceed, ...)  \
28   do {                             \
29     int ierr_q_ = __VA_ARGS__;     \
30     CeedChk_hiprtc(ceed, ierr_q_); \
31   } while (0)
32 
33 //------------------------------------------------------------------------------
34 // Compile HIP kernel
35 //------------------------------------------------------------------------------
36 int CeedCompile_Hip(Ceed ceed, const char *source, hipModule_t *module, const CeedInt num_defines, ...) {
37   size_t                 ptx_size;
38   char                  *jit_defs_source, *ptx;
39   const char            *jit_defs_path;
40   const int              num_opts            = 4;
41   CeedInt                num_jit_source_dirs = 0;
42   const char           **opts;
43   int                    runtime_version;
44   hiprtcProgram          prog;
45   struct hipDeviceProp_t prop;
46   Ceed_Hip              *ceed_data;
47 
48   hipFree(0);  // Make sure a Context exists for hiprtc
49 
50   std::ostringstream code;
51 
52   // Add hip runtime include statement for generation if runtime < 40400000 (implies ROCm < 4.5)
53   CeedCallHip(ceed, hipRuntimeGetVersion(&runtime_version));
54   if (runtime_version < 40400000) {
55     code << "\n#include <hip/hip_runtime.h>\n";
56   }
57   // With ROCm 4.5, need to include these definitions specifically for hiprtc (but cannot include the runtime header)
58   else {
59     code << "#include <stddef.h>\n";
60     code << "#define __forceinline__ inline __attribute__((always_inline))\n";
61     code << "#define HIP_DYNAMIC_SHARED(type, var) extern __shared__ type var[];\n";
62   }
63 
64   // Kernel specific options, such as kernel constants
65   if (num_defines > 0) {
66     va_list args;
67     va_start(args, num_defines);
68     char *name;
69     int   val;
70 
71     for (int i = 0; i < num_defines; i++) {
72       name = va_arg(args, char *);
73       val  = va_arg(args, int);
74       code << "#define " << name << " " << val << "\n";
75     }
76     va_end(args);
77   }
78 
79   // Standard libCEED definitions for HIP backends
80   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-jit.h", &jit_defs_path));
81   CeedCallBackend(CeedLoadSourceToBuffer(ceed, jit_defs_path, &jit_defs_source));
82   code << jit_defs_source;
83   code << "\n\n";
84   CeedCallBackend(CeedFree(&jit_defs_path));
85   CeedCallBackend(CeedFree(&jit_defs_source));
86 
87   // Non-macro options
88   CeedCallBackend(CeedCalloc(num_opts, &opts));
89   opts[0] = "-default-device";
90   CeedCallBackend(CeedGetData(ceed, (void **)&ceed_data));
91   CeedCallHip(ceed, hipGetDeviceProperties(&prop, ceed_data->device_id));
92   std::string arch_arg = "--gpu-architecture=" + std::string(prop.gcnArchName);
93   opts[1]              = arch_arg.c_str();
94   opts[2]              = "-munsafe-fp-atomics";
95   opts[3]              = "-DCEED_RUNNING_JIT_PASS=1";
96   {
97     const char **jit_source_dirs;
98 
99     CeedCallBackend(CeedGetJitSourceRoots(ceed, &num_jit_source_dirs, &jit_source_dirs));
100     CeedCallBackend(CeedRealloc(num_opts + num_jit_source_dirs, &opts));
101     for (CeedInt i = 0; i < num_jit_source_dirs; i++) {
102       std::ostringstream include_dirs_arg;
103 
104       include_dirs_arg << "-I" << jit_source_dirs[i];
105       CeedCallBackend(CeedStringAllocCopy(include_dirs_arg.str().c_str(), (char **)&opts[num_opts + i]));
106     }
107     CeedCallBackend(CeedRestoreJitSourceRoots(ceed, &jit_source_dirs));
108   }
109 
110   // Add string source argument provided in call
111   code << source;
112 
113   // Create Program
114   CeedCallHiprtc(ceed, hiprtcCreateProgram(&prog, code.str().c_str(), NULL, 0, NULL, NULL));
115 
116   // Compile kernel
117   hiprtcResult result = hiprtcCompileProgram(prog, num_opts + num_jit_source_dirs, opts);
118 
119   for (CeedInt i = 0; i < num_jit_source_dirs; i++) {
120     CeedCallBackend(CeedFree(&opts[num_opts + i]));
121   }
122   CeedCallBackend(CeedFree(&opts));
123   if (result != HIPRTC_SUCCESS) {
124     size_t log_size;
125     char  *log;
126 
127     CeedDebug256(ceed, CEED_DEBUG_COLOR_ERROR, "---------- CEED JIT SOURCE FAILED TO COMPILE ----------\n");
128     CeedDebug(ceed, "Source:\n%s\n", code.str().c_str());
129     CeedDebug256(ceed, CEED_DEBUG_COLOR_ERROR, "---------- CEED JIT SOURCE FAILED TO COMPILE ----------\n");
130     CeedChk_hiprtc(ceed, hiprtcGetProgramLogSize(prog, &log_size));
131     CeedCallBackend(CeedMalloc(log_size, &log));
132     CeedCallHiprtc(ceed, hiprtcGetProgramLog(prog, log));
133     return CeedError(ceed, CEED_ERROR_BACKEND, "%s\n%s", hiprtcGetErrorString(result), log);
134   }
135 
136   CeedCallHiprtc(ceed, hiprtcGetCodeSize(prog, &ptx_size));
137   CeedCallBackend(CeedMalloc(ptx_size, &ptx));
138   CeedCallHiprtc(ceed, hiprtcGetCode(prog, ptx));
139   CeedCallHiprtc(ceed, hiprtcDestroyProgram(&prog));
140 
141   CeedCallHip(ceed, hipModuleLoadData(module, ptx));
142   CeedCallBackend(CeedFree(&ptx));
143   return CEED_ERROR_SUCCESS;
144 }
145 
146 //------------------------------------------------------------------------------
147 // Get HIP kernel
148 //------------------------------------------------------------------------------
149 int CeedGetKernel_Hip(Ceed ceed, hipModule_t module, const char *name, hipFunction_t *kernel) {
150   CeedCallHip(ceed, hipModuleGetFunction(kernel, module, name));
151   return CEED_ERROR_SUCCESS;
152 }
153 
154 //------------------------------------------------------------------------------
155 // Run HIP kernel
156 //------------------------------------------------------------------------------
157 int CeedRunKernel_Hip(Ceed ceed, hipFunction_t kernel, const int grid_size, const int block_size, void **args) {
158   CeedCallHip(ceed, hipModuleLaunchKernel(kernel, grid_size, 1, 1, block_size, 1, 1, 0, NULL, args, NULL));
159   return CEED_ERROR_SUCCESS;
160 }
161 
162 //------------------------------------------------------------------------------
163 // Run HIP kernel for spatial dimension
164 //------------------------------------------------------------------------------
165 int CeedRunKernelDim_Hip(Ceed ceed, hipFunction_t kernel, const int grid_size, const int block_size_x, const int block_size_y, const int block_size_z,
166                          void **args) {
167   CeedCallHip(ceed, hipModuleLaunchKernel(kernel, grid_size, 1, 1, block_size_x, block_size_y, block_size_z, 0, NULL, args, NULL));
168   return CEED_ERROR_SUCCESS;
169 }
170 
171 //------------------------------------------------------------------------------
172 // Run HIP kernel for spatial dimension with shared memory
173 //------------------------------------------------------------------------------
174 int CeedRunKernelDimShared_Hip(Ceed ceed, hipFunction_t kernel, const int grid_size, const int block_size_x, const int block_size_y,
175                                const int block_size_z, const int shared_mem_size, void **args) {
176   CeedCallHip(ceed, hipModuleLaunchKernel(kernel, grid_size, 1, 1, block_size_x, block_size_y, block_size_z, shared_mem_size, NULL, args, NULL));
177   return CEED_ERROR_SUCCESS;
178 }
179 
180 //------------------------------------------------------------------------------
181