Scientific Codec Race

The same raster decoded live in your browser by five codecs — RIPT (uncompressed / LZ4 / ZSTD) and TurboLERC (our memory-safe LERC) vs Esri LERC (the reference build). Identical bytes for both LERC lanes: our WebAssembly against theirs.

Lossless 0×0 · decode time · encoded size
RIPTuncompressed
decode
size
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RIPT · TurboLZ4entropy stage · ours
decode
size
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RIPT · TurboZstdentropy stage · ours
decode
size
—
TurboLERCour memory-safe
decode
size
—
Esri LERCreference
decode
size
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Running the public @bitruvius CDN bundles (v0.3.2) — the same artifacts you can ship today. The comparison lane runs Esri's unmodified reference LERC decoder (Apache 2.0) from jsDelivr. Esri and LERC are trademarks of Environmental Systems Research Institute, Inc., used to identify the codec being compared — no affiliation or endorsement implied.