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author | Brian White <mscdex@mscdex.net> | 2019-08-19 01:43:29 -0400 |
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committer | Rich Trott <rtrott@gmail.com> | 2019-08-21 21:42:21 -0700 |
commit | f0c8898fb5e8b133001bbea42f1288805d4d4802 (patch) | |
tree | 121504acd9465e9fb9d336aea8efe3db85328603 /benchmark | |
parent | d937b029a99064514965def31ef226dc959e1597 (diff) | |
download | android-node-v8-f0c8898fb5e8b133001bbea42f1288805d4d4802.tar.gz android-node-v8-f0c8898fb5e8b133001bbea42f1288805d4d4802.tar.bz2 android-node-v8-f0c8898fb5e8b133001bbea42f1288805d4d4802.zip |
buffer: improve equals() performance
PR-URL: https://github.com/nodejs/node/pull/29199
Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Diffstat (limited to 'benchmark')
-rw-r--r-- | benchmark/buffers/buffer-equals.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/benchmark/buffers/buffer-equals.js b/benchmark/buffers/buffer-equals.js new file mode 100644 index 0000000000..99d2472bd3 --- /dev/null +++ b/benchmark/buffers/buffer-equals.js @@ -0,0 +1,22 @@ +'use strict'; +const common = require('../common.js'); + +const bench = common.createBenchmark(main, { + size: [0, 512, 16386], + difflen: ['true', 'false'], + n: [1e6] +}); + +function main({ n, size, difflen }) { + const b0 = Buffer.alloc(size, 'a'); + const b1 = Buffer.alloc(size + (difflen === 'true' ? 1 : 0), 'a'); + + if (b1.length > 0) + b1[b1.length - 1] = 'b'.charCodeAt(0); + + bench.start(); + for (let i = 0; i < n; i++) { + b0.equals(b1); + } + bench.end(n); +} |