[IMPROVED] Performance of respToken #1575
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Signed-off-by: Piotr Piotrowski <piotr@synadia.com>
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Using
fmt.Sscanf()in muxer caused performance overhead for each request sent by the client. It is sufficient to only compare the expected inbox prefix with the response subject and grab the token from the end of the subject (as is done in other clients).Benchmark results:
fmt.Sscanf:BenchmarkRespToken-10 2836392 418.7 ns/op 83 B/op 4 allocs/opBenchmarkRespToken-10 408571200 2.837 ns/op 0 B/op 0 allocs/opFixes #1560