buffer: improve write(U)Int functions
This improves the performance of some buffer write functions.
buffers/buffer-write.js millions=5 type='Int32BE' buffer='fast' *** 5.83 % ±1.13% ±1.51% ±1.97%
buffers/buffer-write.js millions=5 type='Int32BE' buffer='slow' *** 6.40 % ±3.04% ±4.05% ±5.30%
buffers/buffer-write.js millions=5 type='Int32LE' buffer='fast' *** 11.19 % ±1.90% ±2.54% ±3.32%
buffers/buffer-write.js millions=5 type='Int32LE' buffer='slow' *** 13.35 % ±2.47% ±3.28% ±4.28%
buffers/buffer-write.js millions=5 type='IntBE' buffer='fast' -0.36 % ±1.59% ±2.12% ±2.76%
buffers/buffer-write.js millions=5 type='IntBE' buffer='slow' 0.15 % ±0.97% ±1.29% ±1.67%
buffers/buffer-write.js millions=5 type='IntLE' buffer='fast' 1.68 % ±2.23% ±2.98% ±3.92%
buffers/buffer-write.js millions=5 type='IntLE' buffer='slow' 0.31 % ±1.34% ±1.78% ±2.31%
buffers/buffer-write.js millions=5 type='UInt32BE' buffer='fast' *** 7.28 % ±1.42% ±1.89% ±2.47%
buffers/buffer-write.js millions=5 type='UInt32BE' buffer='slow' *** 7.66 % ±1.49% ±1.99% ±2.59%
buffers/buffer-write.js millions=5 type='UInt32LE' buffer='fast' *** 3.53 % ±1.04% ±1.38% ±1.80%
buffers/buffer-write.js millions=5 type='UInt32LE' buffer='slow' *** 5.49 % ±2.12% ±2.84% ±3.74%
buffers/buffer-write.js millions=5 type='UIntBE' buffer='fast' 0.76 % ±2.48% ±3.32% ±4.36%
buffers/buffer-write.js millions=5 type='UIntBE' buffer='slow' 0.35 % ±3.25% ±4.34% ±5.66%
buffers/buffer-write.js millions=5 type='UIntLE' buffer='fast' -1.21 % ±2.70% ±3.63% ±4.78%
buffers/buffer-write.js millions=5 type='UIntLE' buffer='slow' 1.50 % ±2.20% ±2.96% ±3.92%
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines