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docs(readme): update benchmark results #393

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49 changes: 22 additions & 27 deletions README.md
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Expand Up @@ -5,35 +5,30 @@ Initially, Hono wasn't designed for Node.js, but with this adapter, you can now

## Benchmarks

Hono is 4.1 times faster than Express.

Express:

```txt
$ bombardier -d 10s --fasthttp http://localhost:3000/

Statistics Avg Stdev Max
Reqs/sec 20803.37 1713.06 24910.85
Latency 6.01ms 5.21ms 451.37ms
HTTP codes:
1xx - 0, 2xx - 208131, 3xx - 0, 4xx - 0, 5xx - 0
others - 0
Throughput: 5.75MB/s
The benchmark suite measures the raw HTTP-to-Fetch adapter cost without Hono routing. It compares the published and development versions of `@hono/node-server` with a native `node:http` implementation and srvx using `FastResponse`.

```text
CPU: 13th Gen Intel(R) Core(TM) i5-13450HX
Node.js: v24.19.0
OS: linux x64
OHA: oha 1.15.0
Config: 100 connections, 2s warmup, 3 × 5s
```

Hono + `@hono/node-server`:

```txt
$ bombardier -d 10s --fasthttp http://localhost:3000/

Statistics Avg Stdev Max
Reqs/sec 85405.51 7250.65 102658.51
Latency 1.46ms 1.00ms 149.95ms
HTTP codes:
1xx - 0, 2xx - 854120, 3xx - 0, 4xx - 0, 5xx - 0
others - 0
Throughput: 18.49MB/s
```
| Scenario | node:http | @hono/node-server (npm) | srvx (fast) | @hono/node-server (dev) |
| ----------------- | --------: | ----------------------: | --------------: | ----------------------: |
| empty response | 117,877 | 105,569 (-10.4%) | 108,464 (-8.0%) | 105,096 (-10.8%) |
| small text | 107,385 | 95,037 (-11.5%) | 94,733 (-11.8%) | 93,184 (-13.2%) |
| URL + query | 102,987 | 90,440 (-12.2%) | 90,044 (-12.6%) | 89,240 (-13.3%) |
| headers | 96,469 | 75,109 (-22.1%) | 87,595 (-9.2%) | 87,909 (-8.9%) |
| JSON response | 97,773 | 90,378 (-7.6%) | 91,174 (-6.8%) | 91,514 (-6.4%) |
| JSON round trip | 81,818 | 70,050 (-14.4%) | 74,833 (-8.5%) | 71,683 (-12.4%) |
| 64 KiB upload | 29,078 | 20,101 (-30.9%) | 12,812 (-55.9%) | 20,268 (-30.3%) |
| 64 KiB fixed body | 60,324 | 55,822 (-7.5%) | 56,836 (-5.8%) | 56,384 (-6.5%) |
| 64 KiB stream | 46,091 | 31,166 (-32.4%) | 33,847 (-26.6%) | 30,866 (-33.0%) |
| peak RSS (MiB) | 349.7 | 364.4 | 330.7 | 366.1 |

These are synthetic microbenchmarks intended to identify adapter regressions rather than predict production application throughput. See the [fetch server benchmark](./benchmarks/fetch/README.md) for the methodology, scenarios, and instructions for reproducing the results.

## Requirements

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