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svoid bench_maskDiffing_justTheBitOp_singleArray() { int maskSize = 32; L<long[]> images = repF(1000, -> new Image2BAsLongs(randomBinaryImage(maskSize)).pixels); long[] mainImage = random(images); int maskArraySize = l(mainImage); long[] bigArray = concatLongArrays(images); print(benchFor5(-> { long sum = 0; for (int i = 0; i < bigArray.length; i += maskArraySize) sum += countDifferingBits(mainImage, bigArray, i); ret sum; })); }
Began life as a copy of #1036048
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Snippet ID: | #1036050 |
Snippet name: | bench_maskDiffing_justTheBitOp_singleArray (put all masks in one big array to improve cache locality) |
Eternal ID of this version: | #1036050/1 |
Text MD5: | 6bc5e3fa55f85d38acac27ed7e7c7131 |
Transpilation MD5: | 3ff9a15cdcb2d7886782c8f479af0ff7 |
Author: | stefan |
Category: | javax / imaging |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2022-09-03 01:55:17 |
Source code size: | 479 bytes / 14 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 132 / 189 |
Referenced in: | #1006654 - Standard functions list 2 (LIVE, continuation of #761) #1036055 - bench_maskDiffing_justTheBitOp_fixedSize (is it faster when we know how big the mask is? a little bit) |