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src/bytes/buffer_test.go
b.Write(buf[0:1]) var cap0 int for i := 0; i < 5<<10; i++ { b.Write(buf) b.Read(buf) if i == 0 { cap0 = b.Cap() } } cap1 := b.Cap() // (*Buffer).grow allows for 2x capacity slop before sliding, // so set our error threshold at 3x. if cap1 > cap0*3 { t.Errorf("buffer cap = %d; too big (grew from %d)", cap1, cap0) } } func BenchmarkWriteByte(b *testing.B) {
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Fri Apr 26 13:31:36 GMT 2024 - 18.6K bytes - Viewed (0) -
src/archive/zip/reader.go
f.UncompressedSize64 = uint64(f.UncompressedSize) filenameLen := int(b.uint16()) extraLen := int(b.uint16()) commentLen := int(b.uint16()) b = b[4:] // skipped start disk number and internal attributes (2x uint16) f.ExternalAttrs = b.uint32() f.headerOffset = int64(b.uint32()) d := make([]byte, filenameLen+extraLen+commentLen) if _, err := io.ReadFull(r, d); err != nil { return err }
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Fri Oct 13 18:36:46 GMT 2023 - 27.7K bytes - Viewed (0) -
src/bytes/buffer.go
// we allocate buffers rounded up to the closest size class. c := len(b) + n // ensure enough space for n elements if c < 2*cap(b) { // The growth rate has historically always been 2x. In the future, // we could rely purely on append to determine the growth rate. c = 2 * cap(b) } b2 := append([]byte(nil), make([]byte, c)...) copy(b2, b) return b2[:len(b)] }
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Fri Oct 13 17:10:31 GMT 2023 - 15.7K bytes - Viewed (0) -
src/archive/zip/writer.go
// zip64 extra header should be used. b.uint32(uint32max) // compressed size b.uint32(uint32max) // uncompressed size // append a zip64 extra block to Extra var buf [28]byte // 2x uint16 + 3x uint64 eb := writeBuf(buf[:]) eb.uint16(zip64ExtraID) eb.uint16(24) // size = 3x uint64 eb.uint64(h.UncompressedSize64) eb.uint64(h.CompressedSize64) eb.uint64(h.offset)
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Thu Apr 04 14:28:57 GMT 2024 - 19.3K bytes - Viewed (0) -
misc/go_android_exec/main.go
// walking the tree and copying it piecewise. If the directory tree // contains nested modules this could push a lot of unnecessary contents, // but for the golang.org/x repos it seems to be significantly (~2x) // faster than copying one file at a time (via filepath.WalkDir), // apparently due to high latency in 'adb' commands. if err := adb("push", modDir, deviceModDir); err != nil { return 0, err }
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Mon Aug 21 17:46:57 GMT 2023 - 15.3K bytes - Viewed (0)