[SumDB] Make MapFn even faster#105
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mhutchinson merged 1 commit intotransparency-dev:mainfrom Mar 18, 2026
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Reduced amount of memory allocated and avoid expensive operations unless needed. Before: ``` go test -bench=BenchmarkMapFn -benchmem goos: linux goarch: amd64 pkg: github.com/transparency-dev/incubator/vindex/cmd/sumdbindex cpu: Intel(R) Xeon(R) CPU @ 2.20GHz BenchmarkMapFn-24 354208 3442 ns/op 1041 B/op 12 allocs/op PASS ok github.com/transparency-dev/incubator/vindex/cmd/sumdbindex 1.309s ``` After: ``` go test -bench=BenchmarkMapFn -benchmem goos: linux goarch: amd64 pkg: github.com/transparency-dev/incubator/vindex/cmd/sumdbindex cpu: Intel(R) Xeon(R) CPU @ 2.20GHz BenchmarkMapFn-24 698796 1738 ns/op 130 B/op 4 allocs/op PASS ok github.com/transparency-dev/incubator/vindex/cmd/sumdbindex 1.302s ```
AlCutter
approved these changes
Mar 18, 2026
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Reduced amount of memory allocated and avoid expensive operations unless needed.
Before:
After: