// Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package bytealg import "internal/cpu" const MaxBruteForce = 64 func init() { // Note: we're kind of lucky that this flag is available at this point. // The runtime sets HasVX when processing auxv records, and that happens // to happen *before* running the init functions of packages that // the runtime depends on. // TODO: it would really be nicer for internal/cpu to figure out this // flag by itself. Then we wouldn't need to depend on quirks of // early startup initialization order. if cpu.S390X.HasVX { MaxLen = 64 } } // Cutover reports the number of failures of IndexByte we should tolerate // before switching over to Index. // n is the number of bytes processed so far. // See the bytes.Index implementation for details. func Cutover(n int) int { // 1 error per 8 characters, plus a few slop to start. return (n + 16) / 8 }