go/arrow/memory/memory_amd64.go

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// +build !noasm

package memory

import (
	"github.com/apache/arrow/go/arrow/internal/cpu"
)

func init() {
	if cpu.X86.HasAVX2 {
		memset = memory_memset_avx2
	} else if cpu.X86.HasSSE42 {
		memset = memory_memset_sse4
	} else {
		memset = memory_memset_go
	}
}