forked from OneOfOne/xxhash
/
xxhash_test.go
303 lines (262 loc) · 7.33 KB
/
xxhash_test.go
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package xxhash_test
import (
"hash/adler32"
"hash/crc32"
"hash/crc64"
"hash/fnv"
"testing"
CGO "github.com/OneOfOne/xxhash"
N "github.com/OneOfOne/xxhash/native"
)
const inS = `Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
`
var (
in = []byte(inS)
)
const (
expected32 uint32 = 0x6101218F
expected64 uint64 = 0xFFAE31BEBFED7652
)
func Test(t *testing.T) {
t.Logf("CGO version's backend: %s", CGO.Backend)
t.Logf("Native version's backend: %s", N.Backend)
t.Logf("Benchmark string len: %d", len(inS))
}
func TestHash32(t *testing.T) {
h := N.New32()
h.Write(in)
r := h.Sum32()
if r != expected32 {
t.Errorf("expected 0x%x, got 0x%x.", expected32, r)
}
}
func TestHash32Cgo(t *testing.T) {
h := CGO.New32()
h.Write(in)
r := h.Sum32()
if r != expected32 {
t.Errorf("expected 0x%x, got 0x%x.", expected32, r)
}
}
func TestHash32Short(t *testing.T) {
r := N.Checksum32(in)
if r != expected32 {
t.Errorf("expected 0x%x, got 0x%x.", expected32, r)
}
}
func TestHash32CgoShort(t *testing.T) {
r := CGO.Checksum32(in)
if r != expected32 {
t.Errorf("expected 0x%x, got 0x%x.", expected32, r)
}
}
func TestHash64(t *testing.T) {
h := N.New64()
h.Write(in)
r := h.Sum64()
if r != expected64 {
t.Errorf("expected 0x%x, got 0x%x.", expected64, r)
}
}
func TestHash64Cgo(t *testing.T) {
h := CGO.New64()
h.Write(in)
r := h.Sum64()
if r != expected64 {
t.Errorf("expected 0x%x, got 0x%x.", expected64, r)
}
}
func TestHash64Short(t *testing.T) {
r := N.Checksum64(in)
if r != expected64 {
t.Errorf("expected 0x%x, got 0x%x.", expected64, r)
}
}
func TestHash64CgoShort(t *testing.T) {
r := CGO.Checksum64(in)
if r != expected64 {
t.Errorf("expected 0x%x, got 0x%x.", expected64, r)
}
}
func BenchmarkXXChecksum32(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += N.Checksum32(in)
}
}
func BenchmarkXXChecksum32Cgo(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += CGO.Checksum32(in)
}
}
func BenchmarkXXChecksumString32(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += N.ChecksumString32(inS)
}
}
func BenchmarkXXChecksumString32Cgo(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += CGO.ChecksumString32(inS)
}
}
func BenchmarkXXChecksum64(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += N.Checksum64(in)
}
}
func BenchmarkXXChecksum64Cgo(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += CGO.Checksum64(in)
}
}
func BenchmarkXXChecksumString64(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += N.ChecksumString64(inS)
}
}
func BenchmarkXXChecksumString64Cgo(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += CGO.ChecksumString64(inS)
}
}
func BenchmarkFnv32(b *testing.B) {
var bv []byte
h := fnv.New32()
for i := 0; i < b.N; i++ {
h.Write(in)
bv = h.Sum(nil)
h.Reset()
}
_ = bv
}
func BenchmarkFnv64(b *testing.B) {
var bv []byte
h := fnv.New64()
for i := 0; i < b.N; i++ {
h.Write(in)
bv = h.Sum(nil)
h.Reset()
}
_ = bv
}
func BenchmarkAdler32(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += adler32.Checksum(in)
}
}
func BenchmarkCRC32IEEE(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += crc32.ChecksumIEEE(in)
}
}
func BenchmarkCRC32IEEEString(b *testing.B) {
var bv uint32
for i := 0; i < b.N; i++ {
bv += crc32.ChecksumIEEE([]byte(inS))
}
}
var crc64ISO = crc64.MakeTable(crc64.ISO)
func BenchmarkCRC64ISO(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += crc64.Checksum(in, crc64ISO)
}
}
func BenchmarkCRC64ISOString(b *testing.B) {
var bv uint64
for i := 0; i < b.N; i++ {
bv += crc64.Checksum([]byte(inS), crc64ISO)
}
}
func BenchmarkXXChecksum64Short(b *testing.B) {
var bv uint64
k := []byte("Test-key-100")
for i := 0; i < b.N; i++ {
bv += N.Checksum64(k)
}
}
func BenchmarkXXChecksum64ShortCgo(b *testing.B) {
var bv uint64
k := []byte("Test-key-100")
for i := 0; i < b.N; i++ {
bv += CGO.Checksum64(k)
}
}
func BenchmarkXXChecksumString64Short(b *testing.B) {
var bv uint64
k := "Test-key-100"
for i := 0; i < b.N; i++ {
bv += N.ChecksumString64(k)
}
}
func BenchmarkXXChecksumString64CgoShort(b *testing.B) {
var bv uint64
k := "Test-key-100"
for i := 0; i < b.N; i++ {
bv += CGO.ChecksumString64(k)
}
}
func BenchmarkCRC32IEEEShort(b *testing.B) {
var bv uint32
k := []byte("Test-key-100")
for i := 0; i < b.N; i++ {
bv += crc32.ChecksumIEEE(k)
}
}
func BenchmarkCRC64ISOShort(b *testing.B) {
var bv uint64
k := []byte("Test-key-100")
for i := 0; i < b.N; i++ {
bv += crc64.Checksum(k, crc64ISO)
}
}
func BenchmarkFnv64Short(b *testing.B) {
var bv []byte
k := []byte("Test-key-100")
for i := 0; i < b.N; i++ {
h := fnv.New64()
h.Write(k)
bv = h.Sum(nil)
}
_ = bv
}
func BenchmarkXX64MultiWrites(b *testing.B) {
var bv uint64
h := N.New64()
for i := 0; i < b.N; i++ {
h.Write(in)
bv += h.Sum64()
h.Reset()
}
}
func BenchmarkXX64CgoMultiWrites(b *testing.B) {
var bv uint64
h := CGO.New64()
for i := 0; i < b.N; i++ {
h.Write(in)
bv += h.Sum64()
h.Reset()
}
}
func BenchmarkFnv64MultiWrites(b *testing.B) {
var bv uint64
h := fnv.New64()
for i := 0; i < b.N; i++ {
h.Write(in)
bv += h.Sum64()
h.Reset()
}
}