third_party/zlib/README.chromium - Issue 2676493007: NEON implementation for Adler32

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Issue 2676493007: NEON implementation for Adler32

Patch Set: Coding style. Created 3 years, 10 months ago

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1 Name: zlib	1 Name: zlib

2 Short Name: zlib	2 Short Name: zlib

3 URL: http://zlib.net/	3 URL: http://zlib.net/

4 Version: 1.2.11	4 Version: 1.2.11

5 Security Critical: yes	5 Security Critical: yes

6 License: Custom license	6 License: Custom license

7 License File: LICENSE	7 License File: LICENSE

8 License Android Compatible: yes	8 License Android Compatible: yes

9	9

10 Description:	10 Description:

11 "A massively spiffy yet delicately unobtrusive compression library."	11 "A massively spiffy yet delicately unobtrusive compression library."

12	12

13 zlib is a free, general-purpose, legally unencumbered lossless data-compression	13 zlib is a free, general-purpose, legally unencumbered lossless data-compression

14 library. zlib implements the "deflate" compression algorithm described by RFC	14 library. zlib implements the "deflate" compression algorithm described by RFC

15 1951, which combines the LZ77 (Lempel-Ziv) algorithm with Huffman coding. zlib	15 1951, which combines the LZ77 (Lempel-Ziv) algorithm with Huffman coding. zlib

16 also implements the zlib (RFC 1950) and gzip (RFC 1952) wrapper formats.	16 also implements the zlib (RFC 1950) and gzip (RFC 1952) wrapper formats.

17	17

18 Local Modifications:	18 Local Modifications:

19 - Only source code from the zlib distribution used to build the zlib and	19 - Only source code from the zlib distribution used to build the zlib and

20 minizip libraries are present. Many other files have been omitted. Only *.c	20 minizip libraries are present. Many other files have been omitted. Only *.c

21 and *.h files from the upstream root directory and contrib/minizip were	21 and *.h files from the upstream root directory and contrib/minizip were

22 imported.	22 imported.

23 - The contents of the google directory are original Chromium-specific	23 - The contents of the google directory are original Chromium-specific

24 additions.	24 additions.

25 - google.patch contains changes from the upstream version, mostly related to	25 - google.patch contains changes from the upstream version, mostly related to

26 the build.	26 the build.

27 - Intel SIMD optimisations from https://github.com/jtkukunas/zlib/ have been	27 - Intel SIMD optimizations from https://github.com/jtkukunas/zlib/ have been

28 integrated. These changes are reflected in simd.patch.	28 integrated. These changes are reflected in simd.patch.

	29 - NEON SIMD optimizations for Adler32 checksum were integrated. Changes

	30 are reflected in neon_adler32.patch.

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