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Jemalloc option in README.md #461

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Jan 12, 2025
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Jemalloc option in README.md #461

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Expand Up @@ -106,6 +106,18 @@ This will reduce GLib memory appetites by reducing the number of malloc arenas
that it can create. By default GLib creates one are per thread, and this would
follow to memory fragmentation.

### Jemalloc
If the arena option doesn't help, you can try replacing the standard allocator with `jemalloc`,
which emphasizes fragmentation avoidance and scalable concurrency support.

To do this, you need to install the `libjemalloc-dev` package.
And pass the following flags for build command:

```
CGO_CFLAGS="-fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free" CGO_LDFLAGS="-ljemalloc" go build
```


## Contributing

Feel free to file issues or create pull requests. See this [guide on contributing](https://github.com/davidbyttow/govips/blob/master/CONTRIBUTING.md) for more information.
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