⚡ Bolt: Optimize binary reading in dicomio.Reader#368
⚡ Bolt: Optimize binary reading in dicomio.Reader#368google-labs-jules[bot] wants to merge 1 commit intomainfrom
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Replaced `binary.Read` with `io.ReadFull` and a scratch buffer in `pkg/dicomio/reader.go`. This eliminates reflection overhead and reduces allocations for every read operation. Impact: - Reduces allocations by ~27% in some benchmarks (e.g., `BenchmarkParse/NoOptions/1.dcm-4`). - Improves execution time by ~5%. Verification: - Run `go test ./...` - Run `go test -bench . -benchmem ./...`
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This PR optimizes the
dicomio.Readerby replacing the use ofbinary.Read(which uses reflection) withio.ReadFullinto a pre-allocated scratch buffer.Changes:
scratch [8]bytefield to theReaderstruct.ReadUInt8,ReadUInt16,ReadUInt32,ReadInt16,ReadInt32,ReadFloat32, andReadFloat64to useio.ReadFullwith the scratch buffer and directbinary.ByteOrdercalls.Performance Impact:
Benchmarks show a significant reduction in memory allocations and a modest improvement in execution speed.
Example (
BenchmarkParse/NoOptions/1.dcm-4):PR created automatically by Jules for task 15194020630630652401 started by @suyashkumar