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denoland-deno/cli/bench/stdio/README.md
Divy Srivastava 6982c74e11
perf: use fast api for io read/write sync (#15863)
```
$ dd if=/dev/zero bs=65536 count=500000 | ./stdio # C baseline

500000+0 records in
500000+0 records out
32768000000 bytes transferred in 4.126087 secs (7941664827 bytes/sec)
c: size 32768000000 reads 500000 blocksize 65536
```

```
$ dd if=/dev/zero bs=65536 count=500000 | deno run stdio.js # Deno

500000+0 records in
500000+0 records out
32768000000 bytes transferred in 4.279032 secs (7657806719 bytes/sec)
deno: size 32768000000 reads 500000 blocksize 65536
```
2022-12-02 11:35:18 +05:30

222 B

stdio benchmarks

Compile the C baseline and run the benchmark:

cc stdio.c -o stdio -O3
time dd if=/dev/zero bs=65536 count=500000 | ./stdio
time dd if=/dev/zero bs=65536 count=500000 | deno run stdio.js