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@protobufjs/float
Advanced tools
Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.
Reads / writes floats / doubles from / to buffers in both modern and ancient browsers. Fast.
writeFloatLE(val: number
, buf: Uint8Array
, pos: number
)
Writes a 32 bit float to a buffer using little endian byte order.
writeFloatBE(val: number
, buf: Uint8Array
, pos: number
)
Writes a 32 bit float to a buffer using big endian byte order.
readFloatLE(buf: Uint8Array
, pos: number
): number
Reads a 32 bit float from a buffer using little endian byte order.
readFloatBE(buf: Uint8Array
, pos: number
): number
Reads a 32 bit float from a buffer using big endian byte order.
writeDoubleLE(val: number
, buf: Uint8Array
, pos: number
)
Writes a 64 bit double to a buffer using little endian byte order.
writeDoubleBE(val: number
, buf: Uint8Array
, pos: number
)
Writes a 64 bit double to a buffer using big endian byte order.
readDoubleLE(buf: Uint8Array
, pos: number
): number
Reads a 64 bit double from a buffer using little endian byte order.
readDoubleBE(buf: Uint8Array
, pos: number
): number
Reads a 64 bit double from a buffer using big endian byte order.
There is a simple benchmark included comparing raw read/write performance of this library (float), float's fallback for old browsers, the ieee754 module and node's buffer. On an i7-2600k running node 6.9.1 it yields:
benchmarking writeFloat performance ...
float x 42,741,625 ops/sec ±1.75% (81 runs sampled)
float (fallback) x 11,272,532 ops/sec ±1.12% (85 runs sampled)
ieee754 x 8,653,337 ops/sec ±1.18% (84 runs sampled)
buffer x 12,412,414 ops/sec ±1.41% (83 runs sampled)
buffer (noAssert) x 13,471,149 ops/sec ±1.09% (84 runs sampled)
float was fastest
float (fallback) was 73.5% slower
ieee754 was 79.6% slower
buffer was 70.9% slower
buffer (noAssert) was 68.3% slower
benchmarking readFloat performance ...
float x 44,382,729 ops/sec ±1.70% (84 runs sampled)
float (fallback) x 20,925,938 ops/sec ±0.86% (87 runs sampled)
ieee754 x 17,189,009 ops/sec ±1.01% (87 runs sampled)
buffer x 10,518,437 ops/sec ±1.04% (83 runs sampled)
buffer (noAssert) x 11,031,636 ops/sec ±1.15% (87 runs sampled)
float was fastest
float (fallback) was 52.5% slower
ieee754 was 61.0% slower
buffer was 76.1% slower
buffer (noAssert) was 75.0% slower
benchmarking writeDouble performance ...
float x 38,624,906 ops/sec ±0.93% (83 runs sampled)
float (fallback) x 10,457,811 ops/sec ±1.54% (85 runs sampled)
ieee754 x 7,681,130 ops/sec ±1.11% (83 runs sampled)
buffer x 12,657,876 ops/sec ±1.03% (83 runs sampled)
buffer (noAssert) x 13,372,795 ops/sec ±0.84% (85 runs sampled)
float was fastest
float (fallback) was 73.1% slower
ieee754 was 80.1% slower
buffer was 67.3% slower
buffer (noAssert) was 65.3% slower
benchmarking readDouble performance ...
float x 40,527,888 ops/sec ±1.05% (84 runs sampled)
float (fallback) x 18,696,480 ops/sec ±0.84% (86 runs sampled)
ieee754 x 14,074,028 ops/sec ±1.04% (87 runs sampled)
buffer x 10,092,367 ops/sec ±1.15% (84 runs sampled)
buffer (noAssert) x 10,623,793 ops/sec ±0.96% (84 runs sampled)
float was fastest
float (fallback) was 53.8% slower
ieee754 was 65.3% slower
buffer was 75.1% slower
buffer (noAssert) was 73.8% slower
To run it yourself:
$> npm run bench
License: BSD 3-Clause License
FAQs
Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.
The npm package @protobufjs/float receives a total of 11,470,787 weekly downloads. As such, @protobufjs/float popularity was classified as popular.
We found that @protobufjs/float demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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Socket now supports Scala and Kotlin, bringing AI-powered threat detection to JVM projects with easy manifest generation and fast, accurate scans.
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