diff options
Diffstat (limited to 'deps/node/benchmark/buffers/buffer-write.js')
-rw-r--r-- | deps/node/benchmark/buffers/buffer-write.js | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/deps/node/benchmark/buffers/buffer-write.js b/deps/node/benchmark/buffers/buffer-write.js deleted file mode 100644 index 33d33a63..00000000 --- a/deps/node/benchmark/buffers/buffer-write.js +++ /dev/null @@ -1,101 +0,0 @@ -'use strict'; -const common = require('../common.js'); - -const types = [ - 'UInt8', - 'UInt16LE', - 'UInt16BE', - 'UInt32LE', - 'UInt32BE', - 'UIntLE', - 'UIntBE', - 'Int8', - 'Int16LE', - 'Int16BE', - 'Int32LE', - 'Int32BE', - 'IntLE', - 'IntBE', - 'FloatLE', - 'FloatBE', - 'DoubleLE', - 'DoubleBE', -]; - -const bench = common.createBenchmark(main, { - buffer: ['fast', 'slow'], - type: types, - n: [1e6] -}); - -const INT8 = 0x7f; -const INT16 = 0x7fff; -const INT32 = 0x7fffffff; -const INT48 = 0x7fffffffffff; -const UINT8 = 0xff; -const UINT16 = 0xffff; -const UINT32 = 0xffffffff; - -const mod = { - writeInt8: INT8, - writeInt16BE: INT16, - writeInt16LE: INT16, - writeInt32BE: INT32, - writeInt32LE: INT32, - writeUInt8: UINT8, - writeUInt16BE: UINT16, - writeUInt16LE: UINT16, - writeUInt32BE: UINT32, - writeUInt32LE: UINT32, - writeUIntLE: INT8, - writeUIntBE: INT16, - writeIntLE: INT32, - writeIntBE: INT48 -}; - -const byteLength = { - writeUIntLE: 1, - writeUIntBE: 2, - writeIntLE: 4, - writeIntBE: 6 -}; - -function main({ n, buf, type }) { - const clazz = buf === 'fast' ? Buffer : require('buffer').SlowBuffer; - const buff = new clazz(8); - const fn = `write${type || 'UInt8'}`; - - if (!/\d/.test(fn)) - benchSpecialInt(buff, fn, n); - else if (/Int/.test(fn)) - benchInt(buff, fn, n); - else - benchFloat(buff, fn, n); -} - -function benchInt(buff, fn, n) { - const m = mod[fn]; - bench.start(); - for (var i = 0; i !== n; i++) { - buff[fn](i & m, 0); - } - bench.end(n); -} - -function benchSpecialInt(buff, fn, n) { - const m = mod[fn]; - const byte = byteLength[fn]; - bench.start(); - for (var i = 0; i !== n; i++) { - buff[fn](i & m, 0, byte); - } - bench.end(n); -} - -function benchFloat(buff, fn, n) { - bench.start(); - for (var i = 0; i !== n; i++) { - buff[fn](i, 0); - } - bench.end(n); -} |