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crypto/cipher: make AES-GCM benchmarks match ChaCha20Poly1305 ones

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It's useful to compare TLS AEADs. Here are the numbers on my MacBook
with an Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz.

name                            speed
AESGCM/Open-128-64-8             692MB/s ± 2%
AESGCM/Seal-128-64-8             568MB/s ± 1%
AESGCM/Open-128-1350-8          3.96GB/s ± 1%
AESGCM/Seal-128-1350-8          3.17GB/s ± 4%
AESGCM/Open-128-8192-8          5.46GB/s ± 2%
AESGCM/Seal-128-8192-8          4.40GB/s ± 3%

name                            speed
AESGCM/Open-256-64-8             602MB/s ± 2%
AESGCM/Seal-256-64-8             508MB/s ± 1%
AESGCM/Open-256-1350-8          3.06GB/s ± 1%
AESGCM/Seal-256-1350-8          2.65GB/s ± 2%
AESGCM/Open-256-8192-8          4.02GB/s ± 3%
AESGCM/Seal-256-8192-8          3.53GB/s ± 2%

name                            speed
Chacha20Poly1305/Open-64-8       385MB/s ± 3%
Chacha20Poly1305/Seal-64-8       396MB/s ± 3%
Chacha20Poly1305/Open-1350-8    1.67GB/s ± 2%
Chacha20Poly1305/Seal-1350-8    1.62GB/s ± 1%
Chacha20Poly1305/Open-8192-8    2.04GB/s ± 2%
Chacha20Poly1305/Seal-8192-8    2.04GB/s ± 3%

Change-Id: I9373ab85bf132b45b41078205259100fa2d46dda
Reviewed-on: https://go-review.googlesource.com/c/go/+/314610
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This commit is contained in:
Filippo Valsorda 2021-04-28 02:12:17 -04:00
parent 764f53eb6c
commit ad989c7dba
1 changed files with 25 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
src/crypto/cipher/benchmark_test.go
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@ -7,28 +7,15 @@ package cipher_test
import (
"crypto/aes"
"crypto/cipher"
"strconv"
"testing"
)
func benchmarkAESGCMSign(b *testing.B, buf []byte) {
func benchmarkAESGCMSeal(b *testing.B, buf []byte, keySize int) {
b.ReportAllocs()
b.SetBytes(int64(len(buf)))
var key [16]byte
var nonce [12]byte
aes, _ := aes.NewCipher(key[:])
aesgcm, _ := cipher.NewGCM(aes)
var out []byte
b.ResetTimer()
for i := 0; i < b.N; i++ {
out = aesgcm.Seal(out[:0], nonce[:], nil, buf)
}
}
func benchmarkAESGCMSeal(b *testing.B, buf []byte) {
b.SetBytes(int64(len(buf)))
var key [16]byte
var key = make([]byte, keySize)
var nonce [12]byte
var ad [13]byte
aes, _ := aes.NewCipher(key[:])
@ -41,44 +28,41 @@ func benchmarkAESGCMSeal(b *testing.B, buf []byte) {
}
}
func benchmarkAESGCMOpen(b *testing.B, buf []byte) {
func benchmarkAESGCMOpen(b *testing.B, buf []byte, keySize int) {
b.ReportAllocs()
b.SetBytes(int64(len(buf)))
var key [16]byte
var key = make([]byte, keySize)
var nonce [12]byte
var ad [13]byte
aes, _ := aes.NewCipher(key[:])
aesgcm, _ := cipher.NewGCM(aes)
var out []byte
out = aesgcm.Seal(out[:0], nonce[:], buf, ad[:])
ct := aesgcm.Seal(nil, nonce[:], buf[:], ad[:])
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := aesgcm.Open(buf[:0], nonce[:], out, ad[:])
if err != nil {
b.Errorf("Open: %v", err)
}
out, _ = aesgcm.Open(out[:0], nonce[:], ct, ad[:])
}
}
func BenchmarkAESGCMSeal1K(b *testing.B) {
benchmarkAESGCMSeal(b, make([]byte, 1024))
}
func BenchmarkAESGCM(b *testing.B) {
for _, length := range []int{64, 1350, 8 * 1024} {
b.Run("Open-128-"+strconv.Itoa(length), func(b *testing.B) {
benchmarkAESGCMOpen(b, make([]byte, length), 128/8)
})
b.Run("Seal-128-"+strconv.Itoa(length), func(b *testing.B) {
benchmarkAESGCMSeal(b, make([]byte, length), 128/8)
})
func BenchmarkAESGCMOpen1K(b *testing.B) {
benchmarkAESGCMOpen(b, make([]byte, 1024))
}
func BenchmarkAESGCMSign8K(b *testing.B) {
benchmarkAESGCMSign(b, make([]byte, 8*1024))
}
func BenchmarkAESGCMSeal8K(b *testing.B) {
benchmarkAESGCMSeal(b, make([]byte, 8*1024))
}
func BenchmarkAESGCMOpen8K(b *testing.B) {
benchmarkAESGCMOpen(b, make([]byte, 8*1024))
b.Run("Open-256-"+strconv.Itoa(length), func(b *testing.B) {
benchmarkAESGCMOpen(b, make([]byte, length), 256/8)
})
b.Run("Seal-256-"+strconv.Itoa(length), func(b *testing.B) {
benchmarkAESGCMSeal(b, make([]byte, length), 256/8)
})
}
}
func benchmarkAESStream(b *testing.B, mode func(cipher.Block, []byte) cipher.Stream, buf []byte) {