mirror of
https://github.com/fumiama/go-base16384.git
synced 2026-06-05 00:32:52 +08:00
finish arm64 decode
name old time/op new time/op delta EncodeTo/16-8 10.6ns ± 0% 10.4ns ± 0% -2.07% (p=0.008 n=5+5) EncodeTo/256-8 80.8ns ± 0% 55.7ns ± 0% -31.11% (p=0.008 n=5+5) EncodeTo/4K-8 1.21µs ± 0% 0.82µs ± 0% -32.67% (p=0.016 n=4+5) EncodeTo/32K-8 9.64µs ± 0% 6.47µs ± 0% -32.90% (p=0.008 n=5+5) DecodeTo/16-8 9.79ns ± 0% 26.02ns ± 0% +165.85% (p=0.016 n=4+5) DecodeTo/256-8 80.9ns ± 0% 111.6ns ± 0% +37.98% (p=0.008 n=5+5) DecodeTo/4K-8 1.22µs ± 0% 1.17µs ± 0% -3.73% (p=0.008 n=5+5) DecodeTo/32K-8 9.71µs ± 1% 8.80µs ± 1% -9.37% (p=0.008 n=5+5) Encoder/16-8 76.5ns ± 0% 76.5ns ± 0% ~ (p=0.810 n=5+5) Encoder/256-8 356ns ± 0% 291ns ± 0% -18.22% (p=0.008 n=5+5) Encoder/4K-8 4.05µs ± 0% 3.70µs ± 0% -8.76% (p=0.008 n=5+5) Encoder/32K-8 34.1µs ± 0% 29.2µs ± 0% -14.30% (p=0.008 n=5+5) Decoder/16-8 205ns ± 0% 207ns ± 0% +1.08% (p=0.008 n=5+5) Decoder/256-8 262ns ± 0% 244ns ± 1% -6.94% (p=0.008 n=5+5) Decoder/4K-8 1.49µs ± 0% 1.12µs ± 0% -24.87% (p=0.008 n=5+5) Decoder/32K-8 11.0µs ± 0% 8.0µs ± 0% -27.00% (p=0.008 n=5+5) name old speed new speed delta EncodeTo/16-8 1.50GB/s ± 0% 1.54GB/s ± 0% +2.11% (p=0.008 n=5+5) EncodeTo/256-8 3.17GB/s ± 0% 4.60GB/s ± 0% +45.15% (p=0.008 n=5+5) EncodeTo/4K-8 3.37GB/s ± 0% 5.01GB/s ± 0% +48.51% (p=0.008 n=5+5) EncodeTo/32K-8 3.40GB/s ± 0% 5.06GB/s ± 0% +49.02% (p=0.008 n=5+5) DecodeTo/16-8 2.25GB/s ± 0% 0.85GB/s ± 0% -62.39% (p=0.016 n=4+5) DecodeTo/256-8 3.66GB/s ± 0% 2.65GB/s ± 0% -27.54% (p=0.008 n=5+5) DecodeTo/4K-8 3.84GB/s ± 0% 3.99GB/s ± 0% +3.87% (p=0.008 n=5+5) DecodeTo/32K-8 3.86GB/s ± 1% 4.26GB/s ± 1% +10.33% (p=0.008 n=5+5) Encoder/16-8 209MB/s ± 0% 209MB/s ± 0% ~ (p=0.802 n=5+5) Encoder/256-8 720MB/s ± 0% 880MB/s ± 0% +22.28% (p=0.008 n=5+5) Encoder/4K-8 1.01GB/s ± 0% 1.11GB/s ± 0% +9.60% (p=0.008 n=5+5) Encoder/32K-8 962MB/s ± 0% 1122MB/s ± 0% +16.69% (p=0.008 n=5+5) Decoder/16-8 78.1MB/s ± 0% 77.3MB/s ± 0% -1.08% (p=0.008 n=5+5) Decoder/256-8 977MB/s ± 0% 1050MB/s ± 1% +7.47% (p=0.008 n=5+5) Decoder/4K-8 2.76GB/s ± 0% 3.67GB/s ± 0% +33.10% (p=0.008 n=5+5) Decoder/32K-8 2.98GB/s ± 0% 4.08GB/s ± 0% +36.98% (p=0.008 n=5+5) name old alloc/op new alloc/op delta EncodeTo/16-8 0.00B 0.00B ~ (all equal) EncodeTo/256-8 0.00B 0.00B ~ (all equal) EncodeTo/4K-8 0.00B 0.00B ~ (all equal) EncodeTo/32K-8 0.00B 0.00B ~ (all equal) DecodeTo/16-8 0.00B 48.00B ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/256-8 0.00B 576.00B ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/4K-8 0.00B 6144.00B ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/32K-8 0.00B 49152.00B ± 0% +Inf% (p=0.008 n=5+5) Encoder/16-8 24.0B ± 0% 24.0B ± 0% ~ (all equal) Encoder/256-8 472B ± 0% 24B ± 0% -94.92% (p=0.008 n=5+5) Encoder/4K-8 24.0B ± 0% 24.0B ± 0% ~ (all equal) Encoder/32K-8 41.0kB ± 0% 0.0kB ± 0% -99.94% (p=0.008 n=5+5) Decoder/16-8 1.39kB ± 0% 1.39kB ± 0% ~ (all equal) Decoder/256-8 1.39kB ± 0% 1.39kB ± 0% ~ (all equal) Decoder/4K-8 4.98kB ± 0% 4.98kB ± 0% ~ (all equal) Decoder/32K-8 41.1kB ± 0% 41.1kB ± 0% ~ (all equal) name old allocs/op new allocs/op delta EncodeTo/16-8 0.00 0.00 ~ (all equal) EncodeTo/256-8 0.00 0.00 ~ (all equal) EncodeTo/4K-8 0.00 0.00 ~ (all equal) EncodeTo/32K-8 0.00 0.00 ~ (all equal) DecodeTo/16-8 0.00 1.00 ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/256-8 0.00 1.00 ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/4K-8 0.00 1.00 ± 0% +Inf% (p=0.008 n=5+5) DecodeTo/32K-8 0.00 1.00 ± 0% +Inf% (p=0.008 n=5+5) Encoder/16-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) Encoder/256-8 2.00 ± 0% 1.00 ± 0% -50.00% (p=0.008 n=5+5) Encoder/4K-8 1.00 ± 0% 1.00 ± 0% ~ (all equal) Encoder/32K-8 2.00 ± 0% 1.00 ± 0% -50.00% (p=0.008 n=5+5) Decoder/16-8 3.00 ± 0% 3.00 ± 0% ~ (all equal) Decoder/256-8 3.00 ± 0% 3.00 ± 0% ~ (all equal) Decoder/4K-8 3.00 ± 0% 3.00 ± 0% ~ (all equal) Decoder/32K-8 3.00 ± 0% 3.00 ± 0% ~ (all equal)
This commit is contained in:
源文雨
@@ -25,7 +25,6 @@ func encode(offset, outlen int, b, encd []byte) {
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return
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}
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n := valn - (uintptr)(*(*unsafe.Pointer)(unsafe.Pointer(&encd)))
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println(sum, n)
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var tmp [4]byte
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binary.LittleEndian.PutUint32(tmp[:], uint32(sum))
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copy(encd[n:], tmp[:])
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@@ -34,12 +33,8 @@ func encode(offset, outlen int, b, encd []byte) {
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}
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func decode(offset, outlen int, b, decd []byte) {
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/*
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if offset != 0 && cap(b) == len(b) {
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b = append(b, make([]byte, 8)...)
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}
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_decode(offset, outlen, b, decd)
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*/
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decodeGeneric(offset, outlen, b, decd)
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if offset != 0 && cap(b) == len(b) {
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b = append(b, make([]byte, 8)...)
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}
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_decode(offset, outlen, b, decd)
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}
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107
base14_arm64.s
107
base14_arm64.s
@@ -9,7 +9,7 @@ TEXT ·_encode(SB), NOSPLIT, $0-81
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MOVD ·data+16(FP), R9
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MOVD ·dlen+24(FP), R3
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MOVD ·encd+40(FP), R5
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SUBW $6, R3, R3
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CMPW $0, R3
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BLE enctil
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@@ -87,7 +87,7 @@ encrem:
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ANDW $0xf000000, R4, R4
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ORRW R3, R4, R3
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ADDW $0x4e0000, R3, R3
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ADDW $78, R3, R3
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ADDW $0x4e, R3, R3
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MOVW R3, (R5)(R8<<2)
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MOVBU (R2)(R10), R3
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UBFIZW $2, R3, $4, R3
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@@ -120,4 +120,105 @@ enctil:
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// func _decode(offset, outlen int, b, decd []byte)
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TEXT ·_decode(SB), NOSPLIT, $0-64
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MOVD ·offset+0(FP), R0
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MOVD ·outlen+8(FP), R1
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MOVD ·data+16(FP), R2
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MOVD ·decd+40(FP), R5
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SUBW $6, R1, R1
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CMPW $0, R1
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BLE dectil
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MOVW $0xb200, R11
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MOVD R5, R9
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SUB $8, R2, R14
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SUB $4, R2, R13
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MOVD $2, R8
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MOVW $0, R10
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MOVK $(0xb1ff<<16), R11
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declop:
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MOVW (R14)(R8<<2), R4
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ADDW $7, R10, R10
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MOVW (R13)(R8<<2), R3
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MOVW R8, R12
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REVW R4, R4
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CMPW R1, R10
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ADDW R11, R4, R4
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REVW R3, R3
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ADDW R11, R3, R3
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ADD $2, R8, R8
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LSLW $2, R4, R7
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UBFIZW $4, R4, $14, R4
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LSLW $6, R3, R6
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ANDW $-262144, R7, R7
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ORRW R4, R7, R7
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ANDW $-4194304, R6, R4
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UBFIZW $8, R3, $14, R6
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ORRW R3>>26, R7, R3
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ORRW R6, R4, R4
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REVW R3, R3
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REVW R4, R4
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STPW (R3, R4), (R9)
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ADD $7, R9, R9
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BLT declop
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decrem:
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CBZW R0, decret
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MOVW (R2)(R12.UXTW<<2), R1
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CMPW $1, R0
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SUBW $0x4e, R1, R3
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UBFX $14, R3, $2, R4
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ORRW R3<<2, R4, R3
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MOVB R3, (R5)(R10.SXTW)
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BEQ decret
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MOVW $0xffb2, R7
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ADDW $1, R10, R4
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MOVK $(0xffb1<<16), R7
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ADDW R7, R1, R1
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CMPW $2, R0
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UBFX $20, R1, $8, R6
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LSRW $6, R1, R3
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ANDW $3, R6, R8
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ANDW $-4, R3, R3
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ORRW R8, R3, R3
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MOVB R3, (R5)(R4.SXTW)
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BEQ decret
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ADDW $2, R10, R3
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LSRW $12, R1, R4
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ANDW $-16, R4, R4
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CMPW $3, R0
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ORRW R1>>28, R4, R1
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MOVB R1, (R5)(R3.SXTW)
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BEQ decret
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ADDW $3, R10, R1
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ADDW $1, R12, R12
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ANDW $0xf0, R6, R6
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CMPW $4, R0
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MOVW (R2)(R12<<2), R3
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SUBW $0x4e, R3, R2
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UBFX $2, R2, $4, R4
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ORRW R6, R4, R4
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MOVB R4, (R5)(R1.SXTW)
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BEQ decret
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ADDW $4, R10, R1
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UBFX $10, R2, $6, R4
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ORRW R2<<6, R4, R2
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CMPW $5, R0
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MOVB R2, (R5)(R1.SXTW)
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BEQ decret
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ADDW R7, R3, R3
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ADDW $5, R10, R10
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LSRW $2, R3, R0
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UBFX $16, R3, $6, R3
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ANDW $-64, R0, R0
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ORRW R3, R0, R3
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MOVB R3, (R5)(R10.SXTW)
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decret:
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RET
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dectil:
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MOVW $0, R10
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MOVW $0, R12
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JMP decrem
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@@ -24,7 +24,9 @@ func TestBase14(t *testing.T) {
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for i := 1; i < 4096; i++ {
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rand.Read(buf[:i])
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out := Decode(Encode(buf[:i]))
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assert.Equal(t, hex.EncodeToString(buf[:i]), hex.EncodeToString(out))
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if !assert.Equal(t, hex.EncodeToString(buf[:i]), hex.EncodeToString(out)) {
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t.Fatal()
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}
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}
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}
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55
c/base1432.c
55
c/base1432.c
@@ -104,3 +104,58 @@ int base16384_encode(int offset, int outlen, const char* data, int dlen, int dca
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}
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return outlen;
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}
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void base16384_decode(int offset, int outlen, const char* data, int dlen, int dcap, char* buf, int blen, int bcap) {
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uint32_t* vals = (uint32_t*)data;
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uint32_t n = 0;
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int32_t i = 0;
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for(; i <= outlen - 7; i+=7) { // n实际每次自增2
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register uint32_t sum = 0;
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register uint32_t shift = htobe32(vals[n++]) - 0x4e004e00;
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shift <<= 2;
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sum |= shift & 0xfffc0000;
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shift <<= 2;
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sum |= shift & 0x0003fff0;
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shift = htobe32(vals[n++]) - 0x4e004e00;
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sum |= shift >> 26;
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*(uint32_t*)(buf+i) = be32toh(sum);
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sum = 0;
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shift <<= 6;
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sum |= shift & 0xffc00000;
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shift <<= 2;
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sum |= shift & 0x003fff00;
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*(uint32_t*)(buf+i+4) = be32toh(sum);
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}
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if(offset--) {
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// 这里有读取越界
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#ifdef WORDS_BIGENDIAN
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register uint32_t sum = __builtin_bswap32(vals[n++]);
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#else
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register uint32_t sum = vals[n++];
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#endif
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sum -= 0x0000004e;
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buf[i++] = ((sum & 0x0000003f) << 2) | ((sum & 0x0000c000) >> 14);
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if(offset--) {
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sum -= 0x004e0000;
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buf[i++] = ((sum & 0x00003f00) >> 6) | ((sum & 0x00300000) >> 20);
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if(offset--) {
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buf[i++] = ((sum & 0x000f0000) >> 12) | ((sum & 0xf0000000) >> 28);
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if(offset--) {
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buf[i] = (sum & 0x0f000000) >> 20;
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// 这里有读取越界
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sum = vals[n];
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sum -= 0x0000004e;
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buf[i++] |= (sum & 0x0000003c) >> 2;
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if(offset--) {
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buf[i++] = ((sum & 0x00000003) << 6) | ((sum & 0x0000fc00) >> 10);
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if(offset--) {
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sum -= 0x004e0000;
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buf[i] = ((sum & 0x00000300) >> 2) | ((sum & 0x003f0000) >> 16);
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}
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}
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}
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}
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}
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}
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return;
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}
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