Need a Faster Compressor

[Marco Leise via Digitalmars-d]

⬅ Download proof of concept

This is a proof of concept micro-benchmark compressing the
37_640 bytes symbol from the bug report linked above with both
id_compress from the dmd backend and lz4 (without dictionary).
The lz4 result is additionally transformed to 7-bits similar
to base-64.

Original size: 37640 bytes

id_compress : 5243 ms for 10_000 iterations, 800 bytes
lz4         :   71 ms for 10_000 iterations, 389 bytes

That roughly corresponds to a 2x higher compression ratio at
70x faster compression speed.

-- 
Marco
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