add benchmark for hamt walking
License: MIT Signed-off-by: Steven Allen <steven@stebalien.com>
Steven Allen committed
Mar 28, 2018 at 17:53 UTC
1907e66eb802f47147f5b78460d9720fa0d985f4
1 file changed
+43
unixfs/hamt/hamt_test.go
+43
@@ -523,6 +523,49 @@ func printDiff(ds ipld.DAGService, a, b *dag.ProtoNode) {
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}
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}
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+func BenchmarkHAMTWalk(b *testing.B) {
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+ ctx := context.Background()
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+
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+ ds := mdtest.Mock()
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+ sh, _ := NewShard(ds, 256)
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+ nd, err := sh.Node()
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+ if err != nil {
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+ b.Fatal(err)
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+ }
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+
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+ err = ds.Add(ctx, nd)
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+ if err != nil {
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+ b.Fatal(err)
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+ }
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+ ds.Add(ctx, ft.EmptyDirNode())
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+
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+ s, err := NewHamtFromDag(ds, nd)
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+ if err != nil {
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+ b.Fatal(err)
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+ }
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+
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+ for j := 0; j < 1000; j++ {
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+ err = s.Set(ctx, fmt.Sprintf("%d", j), ft.EmptyDirNode())
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+ if err != nil {
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+ b.Fatal(err)
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+ }
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+ }
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+
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+ for i := 0; i < b.N; i++ {
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+ cnt := 0
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+ err = s.ForEachLink(ctx, func(l *ipld.Link) error {
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+ cnt++
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+ return nil
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+ })
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+ if err != nil {
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+ b.Fatal(err)
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+ }
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+ if cnt < 1000 {
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+ b.Fatal("expected 100 children")
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+ }
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+ }
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+}
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+
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func BenchmarkHAMTSet(b *testing.B) {
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ctx := context.Background()
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