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@renovate renovate bot commented Sep 21, 2024

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
mitata ^0.1.11 -> ^1.0.30 age adoption passing confidence

Release Notes

evanwashere/mitata (mitata)

v1.0.30

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v1.0.29

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v1.0.28

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v1.0.27

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v1.0.26

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v1.0.25

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v1.0.24

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v1.0.23: mitata december holidays update

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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                ██   
                          (1.00 s  1.00 s)    1.00 s █▁▁▁█▁▁▁▁▁▁██▁███▁▁▁█
sleep(1000) x 512               1.00 s/iter    1.00 s                   
                          (1.00 s  1.00 s)    1.00 s ▆▁▁▁▁▁▁▁▁▆▆█▁█▁▁▁▁▁▁█
sleep(1000) x 1024              1.00 s/iter    1.00 s                   
                          (1.00 s  1.00 s)    1.00 s ▆▁▁▁▁▆▁█▁█▆▆▁▁▁▁▁▁▁▁█

v1.0.22

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v1.0.21

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v1.0.20: mitata early december update

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🚀 New Features

do_not_optimize

utility function to prevent jit from optimizing out values in benchmarks

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();
    },

    bench(a, b) {
      do_not_optimize(a * b);
    },
  };
});
------------------------------------------- -------------------------------
a * b                        611.20 ps/iter 600.10 ps  █                   
                      (559.33 ps … 8.20 ns)   1.43 ns ▂█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
a / b                        913.91 ps/iter 895.26 ps  █                   
                      (844.48 ps … 8.03 ns)   1.87 ns ▁█▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

v1.0.19

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v1.0.18

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v1.0.17

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v1.0.16

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v1.0.15

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v1.0.14: mitata november update

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🛠️ Changes

groups can have names

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
                                                                         

summary
  1 + 1
   375.26x faster than Date.now()

------------------------------------------- -------------------------------
2 + 2                        117.75 ps/iter  91.55 ps                     !
                       (61.04 ps  3.69 µs) 112.06 ps ▁▁▁▁▁▁▁▁█▁▁▁█▁▁▁▁▁▁▁▁
3 + 3                        126.97 ps/iter  91.55 ps                     !
                       (61.04 ps  4.23 µs) 122.07 ps ▁▁▁▁▁▁▁█▁▁█▁▁▁▁▁▁▄▁▁▂

                                                                         
                       2 + 2  117.75 ps
                       3 + 3 ┤■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 126.97 ps
                                                                         

summary
  2 + 2
   1.08x faster than 3 + 3

other notable changes

  • support for detecting webcontainers
  • benchmark names now have 28 chars of space
  • optimized amount of ansi codes outputted in some charts

🚀 New Features

benchmark names can be highlighted

bench(...).highlight('red');
image

markdown table format

await run({ format: 'markdown' });

clk: ~3.17 GHz
cpu: Apple M2 Pro
runtime: bun 1.1.26 (arm64-darwin)

benchmark avg min p75 p99 max
1 + 1 90.69 ps/iter 61.04 ps 91.55 ps 122.07 ps 309.74 ns
Date.now() 28.70 ns/iter 26.70 ns 28.01 ns 43.35 ns 413.05 ns

option to fine tune garbage collection behavior

// runs gc before each iteration 
bench(...).gc('inner');

v1.0.13

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v1.0.12

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v1.0.11

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v1.0.10

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v1.0.9

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v1.0.8

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v1.0.7

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v1.0.6

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v1.0.5

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v1.0.4

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v1.0.3

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v1.0.2

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v1.0.1

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v1.0.0

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v0.1.14

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v0.1.13

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v0.1.12

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot force-pushed the renovate/mitata-1.x branch 4 times, most recently from 0b8fe4d to fcd8b5b Compare September 29, 2024 05:59
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@renovate renovate bot force-pushed the renovate/mitata-1.x branch from 5e6b7e8 to c36f465 Compare January 16, 2025 11:25
@pi0 pi0 closed this Jan 16, 2025
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renovate bot commented Jan 16, 2025

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 1.x releases. But if you manually upgrade to 1.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.

@renovate renovate bot deleted the renovate/mitata-1.x branch January 16, 2025 11:31
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