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| load("@rules_cc//cc:defs.bzl", "cc_library") | |
| CPU_CAPABILITY_NAMES = ["DEFAULT", "AVX2"] | |
| CAPABILITY_COMPILER_FLAGS = { | |
| "AVX2": ["-mavx2", "-mfma"], | |
| "DEFAULT": [], | |
| } | |
| PREFIX = "aten/src/ATen/native/" | |
| def intern_build_aten_ops(copts, deps): | |
| for cpu_capability in CPU_CAPABILITY_NAMES: | |
| srcs = [] | |
| for impl in native.glob( | |
| [ | |
| PREFIX + "cpu/*.cpp", | |
| PREFIX + "quantized/cpu/kernels/*.cpp", | |
| ], | |
| ): | |
| name = impl.replace(PREFIX, "") | |
| out = PREFIX + name + "." + cpu_capability + ".cpp" | |
| native.genrule( | |
| name = name + "_" + cpu_capability + "_cp", | |
| srcs = [impl], | |
| outs = [out], | |
| cmd = "cp $< $@", | |
| ) | |
| srcs.append(out) | |
| cc_library( | |
| name = "ATen_CPU_" + cpu_capability, | |
| srcs = srcs, | |
| copts = copts + [ | |
| "-DCPU_CAPABILITY=" + cpu_capability, | |
| "-DCPU_CAPABILITY_" + cpu_capability, | |
| ] + CAPABILITY_COMPILER_FLAGS[cpu_capability], | |
| deps = deps, | |
| linkstatic = 1, | |
| ) | |
| cc_library( | |
| name = "ATen_CPU", | |
| deps = [":ATen_CPU_" + cpu_capability for cpu_capability in CPU_CAPABILITY_NAMES], | |
| linkstatic = 1, | |
| ) |