The LZMA SDK comes with the BCJ and BCJ2 preprocessors included, so that later stages are able to achieve greater compression: For x86, ARM, PowerPC (PPC), IA-64 Itanium, and ARM Thumb processors, jump targets are 'normalized' before compression by changing relative position into absolute values. 7-Zip contains a from-scratch DEFLATE encoder that frequently beats the de facto standard zlib version in compression size, but at the expense of CPU usage.Ī suite of recompression tools called AdvanceCOMP contains a copy of the DEFLATE encoder from the 7-Zip implementation these utilities can often be used to further compress the size of existing gzip, ZIP, PNG, or MNG files. ![]() Deflate is found in several file formats including ZIP, gzip, PNG and PDF.
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