0.1.14 -> 1.0.34

v1.0.23

Compare Source

docs now feature writing good benchmarks section to help people with improving their micro-benchmarks

🚀 New Features

concurrency benchmarks

mitata now offers quick and transparent way to test concurrency of asynchronous functions

bench('sleep(1000) x $concurrency', function* () {
  yield async () => await sleep(1000);
}).range('concurrency', 1, 1024);

benchmark                   avg (min … max) p75   p99    (min … top 1%)
------------------------------------------- -------------------------------
sleep(1000) x 1                 1.00 s/iter    1.00 s                █  █ █
                          (1.00 s … 1.00 s)    1.00 s █▁███▁▁▁▁▁█▁▁▁▁█▁▁█▁█
sleep(1000) x 8                 1.00 s/iter    1.00 s            █      █  
                          (1.00 s … 1.00 s)    1.00 s ▆▁▁▆▁▁▁▁▁▁▁█▁▁▁▆▁▆█▁▆
sleep(1000) x 64                1.00 s/iter    1.00 s                ██   █
                  ...

*[View full release notes]*

*Released by [evanwashere](https://github.com/evanwashere) on 12/25/2024*

### [`v1.0.20`](https://github.com/evanwashere/mitata/releases/tag/v1.0.20)

[Compare Source](https://github.com/evanwashere/mitata/compare/v0.1.14...v1.0.34)

# �� New Features

## do_not_optimize
utility function to prevent jit from optimizing out values in benchmarks

```js
import { bench, do_not_optimize } from 'mitata';

bench(function () {
  do_not_optimize(new Array(0));
});

hardware counters

bun add @mitata/counters

mitata now supports collecting and displaying hardware counters on macos and linux

------------------------------------------- -------------------------------
Date.now()                    27.25 ns/iter  27.75 ns █                    
                      (26.32 ns … 32.33 ns)  30.81 ns █▃▂▁▂▅▂▁▂▂▂▂▁▂▂▁▁▁▁▁▁
                  2.20 ipc (  0.00% stalls)  99.99% L1 data cache
          95.35 cycles  209.98 instructions  25.48% retired LD/ST (  53.50)

computed parameters

benchmarks now can include generated parameters that avoid variables hoisting optimization in loops

bench('a * b', function* () {
  yield {
    [0]() {
      return Math.random();
    },

    [1]() {
      return Math.random...

*[View full release notes]*

*Released by [evanwashere](https://github.com/evanwashere) on 12/1/2024*

### [`v1.0.14`](https://github.com/evanwashere/mitata/releases/tag/v1.0.14)

[Compare Source](https://github.com/evanwashere/mitata/compare/v0.1.14...v1.0.34)

# ��️ Changes
## groups can have names
```js
group(name, () => {
  ...
});

• math
-------------------------------------------
1 + 1                         87.43 ps/iter
                       (51.03 ps … 9.83 ns)

charts/visualizations can be nested and combined

summary(() => {
  barplot(() => {
    bench(...);
  });

  barplot(() => { ... });
});

------------------------------------------- -------------------------------
1 + 1                        105.54 ps/iter  91.55 ps        █  █           !
                       (61.04 ps … 1.83 µs) 122.07 ps ▁▁▁▁▁▁▁█▁▁█▁▁▁▁▁▁▄▁▁▂
Date.now()                    39.61 ns/iter  28.01 ns █                    
                       (27.83 ns … 3.19 µs) 153.12 ns █▁▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                       1 + 1 ┤ 105.54 ps
                  Date.now() ┤■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 39.61 ns
                             └                              ...

*[View full release notes]*

*Released by [evanwashere](https://github.com/evanwashere) on 11/20/2024*

</details>

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