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Issue 2676493007: NEON implementation for Adler32
Patch Set: Rebased with master 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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