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@awxkee
Last active August 2, 2026 10:56
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jixel perf estimate
---------------------------------------------- x86_64 ---
./assets/digital_art_portrait.jpg: 2736x4104, quality 75, 24 threads, 7 measured iterations
jixel: Slow; libjxl: effort 7
jixel median 574.42 ms min 533.91 ms mean 575.18 ms 19.5 MP/s 741819 bytes
libjxl median 626.64 ms min 618.86 ms mean 634.77 ms 17.9 MP/s 1159900 bytes
speed: jixel is 1.09x faster than libjxl
---
./assets/digital_art_portrait.jpg: 2736x4104, quality 75, 24 threads, 7 measured iterations
jixel: Fast; libjxl: effort 5
jixel median 276.52 ms min 253.84 ms mean 279.87 ms 40.6 MP/s 655237 bytes
libjxl median 354.08 ms min 342.46 ms mean 354.18 ms 31.7 MP/s 1132317 bytes
speed: jixel is 1.28x faster than libjxl
---
./assets/digital_art_portrait.jpg: 2736x4104, quality 75, 24 threads, 7 measured iterations
jixel: Fastest; libjxl: effort 3
jixel median 111.19 ms min 104.34 ms mean 111.06 ms 101.0 MP/s 727148 bytes
libjxl median 143.85 ms min 134.84 ms mean 145.12 ms 78.1 MP/s 1260344 bytes
speed: jixel is 1.29x faster than libjxl
---------------------------------------------- aarch64 ---
./assets/digital_art_portrait.jpg: 6720x4480, quality 75, 12 threads, 7 measured iterations
jixel: Fastest; libjxl: effort 3
jixel median 155.48 ms min 143.95 ms mean 154.51 ms 193.6 MP/s 1759333 bytes
libjxl median 266.59 ms min 255.71 ms mean 271.15 ms 112.9 MP/s 2956271 bytes
speed: jixel is 1.71x faster than libjxl
---
./assets/digital_art_portrait.jpg: 6720x4480, quality 75, 12 threads, 7 measured iterations
jixel: Fast; libjxl: effort 5
jixel median 475.97 ms min 469.60 ms mean 483.05 ms 63.3 MP/s 1453532 bytes
libjxl median 1090.48 ms min 1063.61 ms mean 1095.27 ms 27.6 MP/s 2626369 bytes
speed: jixel is 2.29x faster than libjxl
--
./assets/digital_art_portrait.jpg: 6720x4480, quality 75, 12 threads, 7 measured iterations
jixel: Slow; libjxl: effort 7
jixel median 1069.45 ms min 1049.86 ms mean 1077.70 ms 28.2 MP/s 1784931 bytes
libjxl median 2184.96 ms min 2155.63 ms mean 2202.67 ms 13.8 MP/s 2688306 bytes
speed: jixel is 2.04x faster than libjxl
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