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Zstandard - Fast real-time compression algorithm

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**Is your feature request related to a problem? Please describe.** Zstandard has grown into a large tool that tries to serve a wide range of compression use cases. In order...

feature request
build issue

divsufsort can use OpenMP. Is there a reason not to use this option in dictBuilder?

2 attempts now where made to bring zstd into busybox and there are open questions on whether it is realistical to keep in sync with upstream, since the aim is...

**Describe the bug** zstdgrep as a wrapper for `zstdcat | grep` should handle grep options properly. It doesn't in several cases. A few examples below. **To Reproduce** ``` # The...

bug
help wanted
long-term

https://github.com/facebook/zstd/pull/2783 triggered an internal compiler error in the aarch64 compiler. E.g. this [run](https://app.circleci.com/pipelines/github/facebook/zstd/3169/workflows/214e6e68-b827-468c-b364-0b2d0a619f91/jobs/11255). I haven't been able to fix it, so I've just disabled the test for now. We have...

build issue

**Is your feature request related to a problem? Please describe.** IBM z architecture provides SIMD capabilities that can be utilized for zstd optimization similar to SSE and Neon SIMD optimizations...

Announce
help wanted

I know the 4mc container adds splitability to zstd but is the standard by itself able to do so without the help of 3rd party implementations? Note: I am aware...

Zstd has been getting larger over the years, as we've added features and improved performance. We should take a comprehensive look at code size, and try to optimize our code...

long-term

Test this construction for disabling assertions: ```c #define assert(condition) \ do { \ if (0) { \ (void)(condition); \ } \ } while (0) ``` Additionally, do the same for...

**Is your feature request related to a problem? Please describe.** Zstd would be awesome if implemented in browsers with standard dictionaries, and from what I've read, there are efforts to...

long-term