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| author | altaf-creator <dev@altafcreator.com> | 2025-11-09 11:15:19 +0800 |
|---|---|---|
| committer | altaf-creator <dev@altafcreator.com> | 2025-11-09 11:15:19 +0800 |
| commit | 8eff962cab608341a6f2fedc640a0e32d96f26e2 (patch) | |
| tree | 05534d1a720ddc3691d346c69b4972555820a061 /frontend-old/node_modules/@protobufjs/float/README.md | |
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Diffstat (limited to 'frontend-old/node_modules/@protobufjs/float/README.md')
| -rw-r--r-- | frontend-old/node_modules/@protobufjs/float/README.md | 102 |
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diff --git a/frontend-old/node_modules/@protobufjs/float/README.md b/frontend-old/node_modules/@protobufjs/float/README.md new file mode 100644 index 0000000..8947bae --- /dev/null +++ b/frontend-old/node_modules/@protobufjs/float/README.md @@ -0,0 +1,102 @@ +@protobufjs/float
+=================
+[](https://www.npmjs.com/package/@protobufjs/float)
+
+Reads / writes floats / doubles from / to buffers in both modern and ancient browsers. Fast.
+
+API
+---
+
+* **writeFloatLE(val: `number`, buf: `Uint8Array`, pos: `number`)**<br />
+ Writes a 32 bit float to a buffer using little endian byte order.
+
+* **writeFloatBE(val: `number`, buf: `Uint8Array`, pos: `number`)**<br />
+ Writes a 32 bit float to a buffer using big endian byte order.
+
+* **readFloatLE(buf: `Uint8Array`, pos: `number`): `number`**<br />
+ Reads a 32 bit float from a buffer using little endian byte order.
+
+* **readFloatBE(buf: `Uint8Array`, pos: `number`): `number`**<br />
+ Reads a 32 bit float from a buffer using big endian byte order.
+
+* **writeDoubleLE(val: `number`, buf: `Uint8Array`, pos: `number`)**<br />
+ Writes a 64 bit double to a buffer using little endian byte order.
+
+* **writeDoubleBE(val: `number`, buf: `Uint8Array`, pos: `number`)**<br />
+ Writes a 64 bit double to a buffer using big endian byte order.
+
+* **readDoubleLE(buf: `Uint8Array`, pos: `number`): `number`**<br />
+ Reads a 64 bit double from a buffer using little endian byte order.
+
+* **readDoubleBE(buf: `Uint8Array`, pos: `number`): `number`**<br />
+ Reads a 64 bit double from a buffer using big endian byte order.
+
+Performance
+-----------
+There is a simple benchmark included comparing raw read/write performance of this library (float), float's fallback for old browsers, the [ieee754](https://www.npmjs.com/package/ieee754) module and node's [buffer](https://nodejs.org/api/buffer.html). 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](https://opensource.org/licenses/BSD-3-Clause)
|