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Code Issues Releases Wiki Activity

Add more realistic index benchmarks

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+ reduce test size of BenchmarkMasterIndexLookupParallel
This commit is contained in:
Alexander Weiss 2020-07-04 07:05:51 +02:00
parent 82c908871d
commit 3b7a3711e6
2 changed files with 25 additions and 38 deletions
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16
internal/repository/index_test.go
View File

@ -336,7 +336,7 @@ var (
)
func initBenchmarkIndexJSON() {
idx, _ := createRandomIndex(rand.New(rand.NewSource(0)))
idx, _ := createRandomIndex(rand.New(rand.NewSource(0)), 200000)
var buf bytes.Buffer
idx.Encode(&buf)
benchmarkIndexJSON = buf.Bytes()
@ -418,11 +418,11 @@ func NewRandomTestID(rng *rand.Rand) restic.ID {
return id
}
func createRandomIndex(rng *rand.Rand) (idx *repository.Index, lookupID restic.ID) {
func createRandomIndex(rng *rand.Rand, packfiles int) (idx *repository.Index, lookupID restic.ID) {
idx = repository.NewIndex()
// create index with 200k pack files
for i := 0; i < 200000; i++ {
// create index with given number of pack files
for i := 0; i < packfiles; i++ {
packID := NewRandomTestID(rng)
var blobs []restic.Blob
offset := 0
@ -449,7 +449,7 @@ func createRandomIndex(rng *rand.Rand) (idx *repository.Index, lookupID restic.I
}
func BenchmarkIndexHasUnknown(b *testing.B) {
idx, _ := createRandomIndex(rand.New(rand.NewSource(0)))
idx, _ := createRandomIndex(rand.New(rand.NewSource(0)), 200000)
lookupID := restic.NewRandomID()
b.ResetTimer()
@ -460,7 +460,7 @@ func BenchmarkIndexHasUnknown(b *testing.B) {
}
func BenchmarkIndexHasKnown(b *testing.B) {
idx, lookupID := createRandomIndex(rand.New(rand.NewSource(0)))
idx, lookupID := createRandomIndex(rand.New(rand.NewSource(0)), 200000)
b.ResetTimer()
@ -474,7 +474,7 @@ func BenchmarkIndexAlloc(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
createRandomIndex(rng)
createRandomIndex(rng, 200000)
}
}
@ -484,7 +484,7 @@ func BenchmarkIndexAllocParallel(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
rng := rand.New(rand.NewSource(0))
for pb.Next() {
createRandomIndex(rng)
createRandomIndex(rng, 200000)
}
})
}

47
internal/repository/master_index_test.go
View File

@ -57,11 +57,19 @@ func TestMasterIndexLookup(t *testing.T) {
rtest.Assert(t, blobs == nil, "Expected no blobs when fetching with a random id")
}
func BenchmarkMasterIndexLookupSingleIndex(b *testing.B) {
idx1, lookupID := createRandomIndex(rand.New(rand.NewSource(0)))
func createRandomMasterIndex(rng *rand.Rand, num, size int) (*repository.MasterIndex, restic.ID) {
mIdx := repository.NewMasterIndex()
for i := 0; i < num-1; i++ {
idx, _ := createRandomIndex(rng, size)
mIdx.Insert(idx)
}
idx1, lookupID := createRandomIndex(rng, size)
mIdx.Insert(idx1)
return mIdx, lookupID
}
func BenchmarkMasterIndexLookupSingleIndex(b *testing.B) {
mIdx, lookupID := createRandomMasterIndex(rand.New(rand.NewSource(0)), 1, 200000)
b.ResetTimer()
@ -71,16 +79,7 @@ func BenchmarkMasterIndexLookupSingleIndex(b *testing.B) {
}
func BenchmarkMasterIndexLookupMultipleIndex(b *testing.B) {
rng := rand.New(rand.NewSource(0))
mIdx := repository.NewMasterIndex()
for i := 0; i < 5; i++ {
idx, _ := createRandomIndex(rng)
mIdx.Insert(idx)
}
idx1, lookupID := createRandomIndex(rng)
mIdx.Insert(idx1)
mIdx, lookupID := createRandomMasterIndex(rand.New(rand.NewSource(0)), 100, 10000)
b.ResetTimer()
@ -90,11 +89,9 @@ func BenchmarkMasterIndexLookupMultipleIndex(b *testing.B) {
}
func BenchmarkMasterIndexLookupSingleIndexUnknown(b *testing.B) {
lookupID := restic.NewRandomID()
idx1, _ := createRandomIndex(rand.New(rand.NewSource(0)))
mIdx := repository.NewMasterIndex()
mIdx.Insert(idx1)
lookupID := restic.NewRandomID()
mIdx, _ := createRandomMasterIndex(rand.New(rand.NewSource(0)), 1, 200000)
b.ResetTimer()
@ -104,14 +101,8 @@ func BenchmarkMasterIndexLookupSingleIndexUnknown(b *testing.B) {
}
func BenchmarkMasterIndexLookupMultipleIndexUnknown(b *testing.B) {
rng := rand.New(rand.NewSource(0))
lookupID := restic.NewRandomID()
mIdx := repository.NewMasterIndex()
for i := 0; i < 6; i++ {
idx, _ := createRandomIndex(rng)
mIdx.Insert(idx)
}
mIdx, _ := createRandomMasterIndex(rand.New(rand.NewSource(0)), 100, 10000)
b.ResetTimer()
@ -123,16 +114,12 @@ func BenchmarkMasterIndexLookupMultipleIndexUnknown(b *testing.B) {
func BenchmarkMasterIndexLookupParallel(b *testing.B) {
mIdx := repository.NewMasterIndex()
for _, numindices := range []int{5, 10, 20} {
for _, numindices := range []int{25, 50, 100} {
var lookupID restic.ID
b.StopTimer()
rng := rand.New(rand.NewSource(0))
for i := 0; i < numindices; i++ {
var idx *repository.Index
idx, lookupID = createRandomIndex(rng)
mIdx.Insert(idx)
}
mIdx, lookupID = createRandomMasterIndex(rng, numindices, 10000)
b.StartTimer()
name := fmt.Sprintf("known,indices=%d", numindices)