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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
# mypy: allow-untyped-defs
import logging
import os
from typing import List, Optional
from torch._inductor import config
from torch._inductor.utils import is_linux
log = logging.getLogger(__name__)
def _rocm_include_paths(dst_file_ext: str) -> List[str]:
from torch.utils import cpp_extension
rocm_include = (
os.path.join(config.rocm.rocm_home, "include")
if config.rocm.rocm_home
else cpp_extension._join_rocm_home("include")
)
if not config.rocm.ck_dir:
log.warning("Unspecified Composable Kernel include dir")
if config.is_fbcode():
from libfb.py import parutil
ck_path = parutil.get_dir_path("composable-kernel-headers")
else:
ck_path = config.rocm.ck_dir or cpp_extension._join_rocm_home(
"composable_kernel"
)
ck_include = os.path.join(ck_path, "include")
ck_library_include = os.path.join(ck_path, "library", "include")
# CK has to take priority over ROCm include paths
# Since CK is potentially more up-to-date
paths = [
os.path.realpath(p) for p in (ck_include, ck_library_include, rocm_include)
]
if dst_file_ext == "exe":
ck_utility_include = os.path.join(ck_path, "library", "src", "utility")
paths.append(os.path.realpath(ck_utility_include))
return paths
def _rocm_lib_options(dst_file_ext: str) -> List[str]:
from torch.utils import cpp_extension
rocm_lib_dir = (
os.path.join(config.rocm.rocm_home, "lib")
if config.rocm.rocm_home
else cpp_extension._join_rocm_home("lib")
)
hip_lib_dir = (
os.path.join(config.rocm.rocm_home, "hip", "lib")
if config.rocm.rocm_home
else cpp_extension._join_rocm_home("hip", "lib")
)
opts = [
"-include __clang_hip_runtime_wrapper.h",
f"-L{os.path.realpath(rocm_lib_dir)}",
f"-L{os.path.realpath(hip_lib_dir)}",
"-lamdhip64",
]
if dst_file_ext == "exe":
opts += ["-lpthread", "-lstdc++"]
return opts
def _rocm_compiler_options() -> List[str]:
arch_list = config.rocm.arch or ["native"]
gpu_arch_flags = [f"--offload-arch={arch}" for arch in arch_list]
opts = [
config.rocm.compile_opt_level,
"-x",
"hip",
"-std=c++17",
*gpu_arch_flags,
"-fno-gpu-rdc",
"-fPIC",
"-mllvm",
"-amdgpu-early-inline-all=true",
"-mllvm",
"-amdgpu-function-calls=false",
"-mllvm",
"-enable-post-misched=0",
]
if config.rocm.is_debug:
opts += ["-DDEBUG_LOG=1", "-g"]
if config.rocm.save_temps:
opts += ["--save-temps=obj"]
if config.rocm.print_kernel_resource_usage:
opts += ["-Rpass-analysis=kernel-resource-usage"]
if config.rocm.flush_denormals:
opts += ["-fgpu-flush-denormals-to-zero"]
if config.rocm.use_fast_math:
opts += ["-ffast-math"]
return opts
def rocm_compiler() -> Optional[str]:
if is_linux():
if config.rocm.rocm_home:
return os.path.realpath(
os.path.join(config.rocm.rocm_home, "llvm", "bin", "clang")
)
try:
from torch.utils import cpp_extension
return os.path.realpath(
cpp_extension._join_rocm_home("llvm", "bin", "clang")
)
except OSError:
# neither config.rocm.rocm_home nor env variable ROCM_HOME are set
return "clang"
return None
def rocm_compile_command(
src_files: List[str],
dst_file: str,
dst_file_ext: str,
extra_args: Optional[List[str]] = None,
) -> str:
include_paths = _rocm_include_paths(dst_file_ext)
lib_options = _rocm_lib_options(dst_file_ext)
compiler_options = _rocm_compiler_options()
compiler = rocm_compiler()
options = (
compiler_options
+ (extra_args or [])
+ [f"-I{path}" for path in include_paths]
+ lib_options
)
src_file = " ".join(src_files)
# supported extensions: .o, .so, .exe
if dst_file_ext == "o":
options.append("-c")
elif dst_file_ext == "so":
options.append("-shared")
elif dst_file_ext == "exe":
options.append("-DGENERATE_CK_STANDALONE_RUNNER")
else:
raise NotImplementedError(f"Unsupported output file suffix {dst_file_ext}!")
return f"{compiler} {' '.join(options)} -o {dst_file} {src_file}"
|
