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1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file | |
3 | // distributed with this work for additional information | |
4 | // regarding copyright ownership. The ASF licenses this file | |
5 | // to you under the Apache License, Version 2.0 (the | |
6 | // "License"); you may not use this file except in compliance | |
7 | // with the License. You may obtain a copy of the License at | |
8 | // | |
9 | // http://www.apache.org/licenses/LICENSE-2.0 | |
10 | // | |
11 | // Unless required by applicable law or agreed to in writing, software | |
12 | // distributed under the License is distributed on an "AS IS" BASIS, | |
13 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | // See the License for the specific language governing permissions and | |
15 | // limitations under the License. | |
16 | ||
17 | // +build !noasm | |
18 | ||
19 | package math | |
20 | ||
21 | import ( | |
22 | "github.com/apache/arrow/go/v6/arrow/internal/cpu" | |
23 | ) | |
24 | ||
25 | func init() { | |
26 | if cpu.X86.HasAVX2 { | |
27 | initAVX2() | |
28 | } else if cpu.X86.HasSSE42 { | |
29 | initSSE4() | |
30 | } else { | |
31 | initGo() | |
32 | } | |
33 | } | |
34 | ||
35 | func initAVX2() { | |
36 | initFloat64AVX2() | |
37 | initInt64AVX2() | |
38 | initUint64AVX2() | |
39 | } | |
40 | ||
41 | func initSSE4() { | |
42 | initFloat64SSE4() | |
43 | initInt64SSE4() | |
44 | initUint64SSE4() | |
45 | } | |
46 | ||
47 | func initGo() { | |
48 | initFloat64Go() | |
49 | initInt64Go() | |
50 | initUint64Go() | |
51 | } |