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I&#x27;ve spent the last few months working on this codec.It has the following characteristics:<pre><code> - SOTA decompression throughput in its ratio class
 - Decent ratios (comparable to LZ4 at high effort levels)
 - Slow compression
</code></pre>
Most of the gains can be attributed to reducing branches and making decompression very friendly to out-of-order cores, by using a smart format.Results on the tarred Silesia corpus on Intel x86-64 follow:<pre><code> codec decode ratio encode
 misa77 -0 5219 MB&#x2F;s 42.64% 54.5 MB&#x2F;s
 misa77 -1 4274 MB&#x2F;s 39.65% 51.2 MB&#x2F;s
 lz4 2505 MB&#x2F;s 47.59% 371 MB&#x2F;s
 lz4hc -12 2531 MB&#x2F;s 36.45% 7.31 MB&#x2F;s</code></pre>

Show HN: misa77 - a codec that decodes 2x faster than LZ4 (at better ratios)

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This is the entire Firefox browser rendering to a &lt;canvas&gt; element. Gecko, all UI components, and the Spidermonkey JS engine are all compiled and running in WebAssembly.Here are a few things you might find interesting:- This is fully end to end encrypted! We use the WISP protocol for TCP-over-websockets.- There is a novel WASM-&gt;JS JIT for experimental site speedup- This port cost over 25k in opus&#x2F;fable tokens for debugging and JIT researchThis was just a fun experiment to push the boundaries of WebAssembly. For a more usable &quot;browser in browser&quot; experience, we also built <a href="https:&#x2F;&#x2F;github.com&#x2F;HeyPuter&#x2F;browser.js" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;HeyPuter&#x2F;browser.js</a> that eats a bit less RAM.

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