Google announces new Open source compression algorithm Brotli, will greatly improve the compression rate

at the maximum compression rate Zopfli output file than zlib small 3% to 8%,google think Zopfli represents the most advanced deflate compatible compression algorithm, it is written in C language, Easy to transplant. But Zopfli's flaw is that the CPU processing time required is 2 to 3 data levels higher than zlib, so it is more suitable for applications that compress multiple transmissions at a time, such as Web static content. After Zopfli, Google's official blog announced the new Open source compression algorithm Brotli, the code hosted on GitHub, with the Apache license. Zopfli is deflate compatible, and Brotli uses a new data format, which Google says makes the Brotli compression rate Zopfli higher than 20–26%. It published a study (PDF) that contrasted the Brotli, Deflate, Zopfli, LZMA, Lzham, and BZIP2 compression algorithms, and showed that Brotli is as fast as Zlib's Deflate implementation, The compression density of the Canterbury database is better than that of Lzma and bzip2. Like Zopfli, Brotli is also named after the Swiss bakery product, which in Swiss German means a bun. Because Zopfli is compatible with the decompression algorithms in existing Web browsers, using this compression algorithm on the server allows faster data transfer and shorter page loading times, which can eventually make the internet a little faster. The Brotli compression rate is higher than Zopfli, and the speed is as fast as the deflate implementation of zlib, so Google hopes that the future major browsers will support the Brotli data format.

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Google announces new Open source compression algorithm Brotli, will greatly improve the compression rate