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Benchmark for single database update

This commit is contained in:
Jakob Borg 2016-01-25 10:04:53 +01:00
parent 0ce45c20b8
commit 79680b1d5e
1 changed files with 32 additions and 0 deletions
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32
lib/db/set_test.go
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@ -9,6 +9,7 @@ package db_test
import (
"bytes"
"fmt"
"os"
"reflect"
"sort"
"testing"
@ -620,3 +621,34 @@ func TestLongPath(t *testing.T) {
gf[0].Name, local[0].Name)
}
}
func BenchmarkUpdateOneFile(b *testing.B) {
local0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{{ID: myID, Value: 1000}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{{ID: myID, Value: 1000}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{{ID: myID, Value: 1000}}, Blocks: genBlocks(3)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{{ID: myID, Value: 1000}}, Blocks: genBlocks(4)},
// A longer name is more realistic and causes more allocations
protocol.FileInfo{Name: "zajksdhaskjdh/askjdhaskjdashkajshd/kasjdhaskjdhaskdjhaskdjash/dkjashdaksjdhaskdjahskdjh", Version: protocol.Vector{{ID: myID, Value: 1000}}, Blocks: genBlocks(8)},
}
ldb, err := db.Open("testdata/benchmarkupdate.db")
if err != nil {
b.Fatal(err)
}
defer func() {
ldb.Close()
os.RemoveAll("testdata/benchmarkupdate.db")
}()
m := db.NewFileSet("test", ldb)
m.Replace(protocol.LocalDeviceID, local0)
l := local0[4:5]
for i := 0; i < b.N; i++ {
l[0].Version = l[0].Version.Update(myID)
m.Update(protocol.LocalDeviceID, local0)
}
b.ReportAllocs()
}