tree 74f69baf306c34e675b296a515054e27bf00d157
parent ef80b33e873821cff33038ae16c444717218cdb1
author Nigel Tao <nigeltao@golang.org> 1460421448 +1000
committer Nigel Tao <nigeltao@golang.org> 1460421448 +1000

Eliminate some bounds checks.

It seems like a small win:

benchmark                     old MB/s     new MB/s     speedup
BenchmarkWordsEncode1e1-4     465.69       471.77       1.01x
BenchmarkWordsEncode1e2-4     60.18        60.27        1.00x
BenchmarkWordsEncode1e3-4     174.42       176.26       1.01x
BenchmarkWordsEncode1e4-4     172.40       175.95       1.02x
BenchmarkWordsEncode1e5-4     134.42       134.86       1.00x
BenchmarkWordsEncode1e6-4     153.09       154.03       1.01x
BenchmarkRandomEncode-4       6504.88      6553.55      1.01x
Benchmark_ZFlat0-4            310.55       313.22       1.01x
Benchmark_ZFlat1-4            198.43       199.73       1.01x
Benchmark_ZFlat2-4            7915.02      8052.65      1.02x
Benchmark_ZFlat3-4            123.07       123.53       1.00x
Benchmark_ZFlat4-4            2220.35      2230.80      1.00x
Benchmark_ZFlat5-4            307.05       309.51       1.01x
Benchmark_ZFlat6-4            136.35       137.19       1.01x
Benchmark_ZFlat7-4            130.67       131.33       1.01x
Benchmark_ZFlat8-4            143.17       144.47       1.01x
Benchmark_ZFlat9-4            125.40       125.85       1.00x
Benchmark_ZFlat10-4           364.30       370.35       1.02x
Benchmark_ZFlat11-4           200.04       199.80       1.00x