user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/inbounds/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/inbounds">@inbounds @simd for a in A s += a end s end _sum2 (generic function with 1 method) julia> function _sum3(A) s = 0.0 @simd for a in A s += a end s end _sum3 (generic function with 1 method) julia> using BenchmarkTools julia> a = rand(10^7); julia> @benchmark _sum($a) BenchmarkTools.Trial: 425 samples with 1 evaluation. Range (min … max): 10.595 ms … 13.903 ms ┊ GC (min … max): 0.00% … 0.00% Time (median): 11.753 ms ┊ GC (median): 0.00% Time (mean ± σ): 11.770 ms ± 177.003 μs ┊ GC (mean ± σ): 0.00% ± 0.00% █▂▁ ▅▁▁▁▁▁▁▁▁▁▄▁▁▁▁▁▄▁▁▁▁▁▁▁▁▁▁▁▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁███▅▅▅▄▄▄▁▁▄▄▆▁▁▄ ▆ 10.6 ms Histogram: log(frequency) by time 12.2 ms < Memory estimate: 0 bytes, allocs estimate: 0. julia> @benchmark _sum2($a) BenchmarkTools.Trial: 1024 samples with 1 evaluation. Range (min … max): 4.323 ms … 8.279 ms ┊ GC (min … max): 0.00% … 0.00% Time (median): 4.850 ms ┊ GC (median): 0.00% Time (mean ± σ): 4.877 ms ± 207.137 μs ┊ GC (mean ± σ): 0.00% ± 0.00% █▂▄▅▂▁▁▂▃ ▂▁▂▂▁▂▁▁▂▁▂▂▂▂▂▁▂▁▂▁██████████▇▆▄▃▃▃▂▂▂▂▂▃▂▂▂▂▂▁▁▁▁▁▂▁▁▁▁▁▂ ▃ 4.32 ms Histogram: frequency by time 5.55 ms < Memory estimate: 0 bytes, allocs estimate: 0. julia> @benchmark _sum3($a) BenchmarkTools.Trial: 988 samples with 1 evaluation. Range (min … max): 4.117 ms … 8.226 ms ┊ GC (min … max): 0.00% … 0.00% Time (median): 4.935 ms ┊ GC (median): 0.00% Time (mean ± σ): 5.049 ms ± 579.887 μs ┊ GC (mean ± σ): 0.00% ± 0.00% ▄█▂ ▃▃▃▂▁▃▃▃▃▄▅▆███▆▆▅▅▅▄▃▃▂▂▂▂▁▂▂▂▁▁▂▁▁▁▂▂▂▁▂▂▁▁▁▁▁▂▁▂▂▂▂▂▂▂▂▂ ▃ 4.12 ms Histogram: frequency by time 7.63 ms < Memory estimate: 0 bytes, allocs estimate: 0. ```

Commits

Commits on Jan 31, 2022

remove `@inbounds`