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// Copyright 2019 The Hugo Authors. All rights reserved.
//
// Licensed 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.
package config
import (
"os"
"runtime"
"strconv"
)
// GetNumWorkerMultiplier returns the base value used to calculate the number
// of workers to use for Hugo's parallel execution.
// It returns the value in HUGO_NUMWORKERMULTIPLIER OS env variable if set to a
// positive integer, else the number of logical CPUs.
func GetNumWorkerMultiplier() int {
if gmp := os.Getenv("HUGO_NUMWORKERMULTIPLIER"); gmp != "" {
if p, err := strconv.Atoi(gmp); err == nil && p > 0 {
return p
}
}
return runtime.NumCPU()
}
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