wok-current view jpeg-turbo/description.txt @ rev 25458
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| author | Pascal Bellard <pascal.bellard@slitaz.org> |
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| date | Tue Sep 27 16:21:52 2022 +0000 (2022-09-27) |
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| children |
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1 Libjpeg-turbo is a JPEG image codec that uses SIMD instructions
2 (MMX, SSE2, AVX2, Neon, AltiVec) to accelerate baseline JPEG
3 compression and decompression on x86, x86-64, Arm, and PowerPC
4 systems, as well as progressive JPEG compression on x86 and
5 x86-64 systems.
6 On such systems, libjpeg-turbo is generally 2-6x as fast as
7 libjpeg, all else being equal.
8 On other types of systems, libjpeg-turbo can still outperform
9 libjpeg by a significant amount, by virtue of its highly-optimized
10 Huffman coding routines. In many cases, the performance of
11 libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.