wehub-resource-sync
89 lines
3.3 KiB
Python
89 lines
3.3 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# ruff: noqa: E741
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import platform
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import re
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import pytest
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import tvm
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from tvm.script import ir as I
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from tvm.script import tirx as T
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from tvm.testing import env
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llvm_version = tvm.target.codegen.llvm_version_major()
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machine = platform.machine()
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if machine not in ["x86_64", "AMD64", "amd64"]:
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pytest.skip(f"Requires x86_64, but machine is {machine}", allow_module_level=True)
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@pytest.mark.skipif(not env.has_llvm(), reason="need llvm")
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@pytest.mark.skipif(llvm_version < 6, reason=f"Requires LLVM 6+, got {llvm_version}")
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def test_fp16_to_fp32():
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def fp16_to_fp32(target, width, match=None, not_match=None):
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elements = 64
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@I.ir_module(s_tir=True)
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class Module:
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@T.prim_func(s_tir=True)
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def main(
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A: T.Buffer((elements, width), "float16"),
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B: T.Buffer((elements, width), "float32"),
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):
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T.func_attr({"tirx.noalias": True})
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for i0 in range(elements):
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for i1 in T.vectorized(width):
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with T.sblock("B"):
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v_i0, v_i1 = T.axis.remap("SS", [i0, i1])
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T.reads(A[v_i0, v_i1])
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T.writes(B[v_i0, v_i1])
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B[v_i0, v_i1] = T.Cast("float32", A[v_i0, v_i1])
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f = tvm.tirx.build(Module, target=target)
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assembly = f.inspect_source("asm").splitlines()
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if match:
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matches = [l for l in assembly if re.search(match, l)]
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assert matches
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if not_match:
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not_matches = [l for l in assembly if re.search(not_match, l)]
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assert not not_matches
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fp16_to_fp32({"kind": "llvm", "mcpu": "skylake-avx512"}, 15, match="vcvtph2ps.*mm")
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fp16_to_fp32({"kind": "llvm", "mcpu": "skylake-avx512"}, 16, match="vcvtph2ps.*mm")
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fp16_to_fp32({"kind": "llvm", "mcpu": "skylake-avx512"}, 17, match="vcvtph2ps.*mm")
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fp16_to_fp32({"kind": "llvm", "mcpu": "skylake-avx512"}, 49, match="vcvtph2ps.*mm")
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fp16_to_fp32(
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{"kind": "llvm", "mcpu": "skylake-avx512", "mattr": ["-avx512f"]}, 49, match="vcvtph2ps.*mm"
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)
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fp16_to_fp32(
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{"kind": "llvm", "mcpu": "skylake-avx512", "mattr": ["-f16c", "-avx512f"]},
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49,
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not_match="vcvtph2ps",
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)
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fp16_to_fp32({"kind": "llvm", "mcpu": "core-avx2"}, 8, match="vcvtph2ps.*mm")
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fp16_to_fp32({"kind": "llvm", "mcpu": "core-avx2"}, 9, match="vcvtph2ps.*mm")
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fp16_to_fp32("llvm", 9, not_match="vcvtph2ps")
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is_32bit = platform.architecture()[0] == "32bit"
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if __name__ == "__main__":
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test_fp16_to_fp32()
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