08 Jan, 2015
1 commit
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jerasure.org is http, not https See merge request !4
29 Dec, 2014
4 commits
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Signed-off-by: Loic Dachary <loic@dachary.org>
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dirstamp ignore See merge request !1
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exit v2 See merge request !2
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documentation updates to replace URLs that do not contain useful information See merge request !3
25 Dec, 2014
3 commits
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Signed-off-by: Loic Dachary <loic@dachary.org>
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This reverts commit 9311b4fc107da2f2e9a2624520cfe2ffd216af53.
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Signed-off-by: Greg Farnum <gfarnum@redhat.com>
15 Dec, 2014
1 commit
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When a fatal error (unaligned memory etc.) is detected, gf-complete should assert(3) instead of exit(3) to give a chance to the calling program to catch the exception and display a stack trace. Although it is possible for gdb to display the stack trace and break on exit, libraries are not usually expected to terminate the calling program in this way. Signed-off-by: Loic Dachary <loic@dachary.org> (cherry picked from commit 29427efac2ce362fce8e4f5f5f1030feba942b73)
06 Dec, 2014
1 commit
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use assert(0) instead of exit(1)
02 Dec, 2014
1 commit
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When a fatal error (unaligned memory etc.) is detected, gf-complete should assert(3) instead of exit(3) to give a chance to the calling program to catch the exception and display a stack trace. Although it is possible for gdb to display the stack trace and break on exit, libraries are not usually expected to terminate the calling program in this way. Signed-off-by: Loic Dachary <loic@dachary.org>
24 Oct, 2014
6 commits
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arm neon optimisations
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Optimisations for 4,64 split table region multiplications. Only used on ARMv8-A since it is not faster on ARMv7-A.
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Optimisations for 4,32 split table multiplications. Selected time_tool.sh results on a 1.7 GHz cortex-a9: Region Best (MB/s): 346.67 W-Method: 32 -m SPLIT 32 4 -r SIMD - Region Best (MB/s): 92.89 W-Method: 32 -m SPLIT 32 4 -r NOSIMD - Region Best (MB/s): 258.17 W-Method: 32 -m SPLIT 32 4 -r SIMD -r ALTMAP - Region Best (MB/s): 162.00 W-Method: 32 -m SPLIT 32 8 - Region Best (MB/s): 160.53 W-Method: 32 -m SPLIT 8 8 - Region Best (MB/s): 32.74 W-Method: 32 -m COMPOSITE 2 - - Region Best (MB/s): 199.79 W-Method: 32 -m COMPOSITE 2 - -r ALTMAP -
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Optimisations for the 4,16 split table region multiplications. Selected time_tool.sh 16 -A -B results for a 1.7 GHz cortex-a9: Region Best (MB/s): 532.14 W-Method: 16 -m SPLIT 16 4 -r SIMD - Region Best (MB/s): 212.34 W-Method: 16 -m SPLIT 16 4 -r NOSIMD - Region Best (MB/s): 801.36 W-Method: 16 -m SPLIT 16 4 -r SIMD -r ALTMAP - Region Best (MB/s): 93.20 W-Method: 16 -m SPLIT 16 4 -r NOSIMD -r ALTMAP - Region Best (MB/s): 273.99 W-Method: 16 -m SPLIT 16 8 - Region Best (MB/s): 270.81 W-Method: 16 -m SPLIT 8 8 - Region Best (MB/s): 70.42 W-Method: 16 -m COMPOSITE 2 - - Region Best (MB/s): 393.54 W-Method: 16 -m COMPOSITE 2 - -r ALTMAP -
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Optimisations for the 4,4 split table region multiplication and carry less multiplication using NEON's polynomial long multiplication. arm: w8: NEON carry less multiplication Selected time_tool.sh results for a 1.7GHz cortex-a9: Region Best (MB/s): 375.86 W-Method: 8 -m CARRY_FREE - Region Best (MB/s): 142.94 W-Method: 8 -m TABLE - Region Best (MB/s): 225.01 W-Method: 8 -m TABLE -r DOUBLE - Region Best (MB/s): 211.23 W-Method: 8 -m TABLE -r DOUBLE -r LAZY - Region Best (MB/s): 160.09 W-Method: 8 -m LOG - Region Best (MB/s): 123.61 W-Method: 8 -m LOG_ZERO - Region Best (MB/s): 123.85 W-Method: 8 -m LOG_ZERO_EXT - Region Best (MB/s): 1183.79 W-Method: 8 -m SPLIT 8 4 -r SIMD - Region Best (MB/s): 177.68 W-Method: 8 -m SPLIT 8 4 -r NOSIMD - Region Best (MB/s): 87.85 W-Method: 8 -m COMPOSITE 2 - - Region Best (MB/s): 428.59 W-Method: 8 -m COMPOSITE 2 - -r ALTMAP -
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Optimisations for the single table region multiplication and carry less multiplication using NEON's polynomial multiplication of 8-bit values. The single polynomial multiplication is not that useful but vector version is for region multiplication. Selected time_tool.sh results for a 1.7GHz cortex-a9: Region Best (MB/s): 672.72 W-Method: 4 -m CARRY_FREE - Region Best (MB/s): 265.84 W-Method: 4 -m BYTWO_p - Region Best (MB/s): 329.41 W-Method: 4 -m TABLE -r DOUBLE - Region Best (MB/s): 278.63 W-Method: 4 -m TABLE -r QUAD - Region Best (MB/s): 329.81 W-Method: 4 -m TABLE -r QUAD -r LAZY - Region Best (MB/s): 1318.03 W-Method: 4 -m TABLE -r SIMD - Region Best (MB/s): 165.15 W-Method: 4 -m TABLE -r NOSIMD - Region Best (MB/s): 99.73 W-Method: 4 -m LOG -
09 Oct, 2014
7 commits
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Properly emulate aligned allocation if posix_memalign is not available.
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Checks for arm_neon.h header.
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SSE is not the only supported SIMD instruction set. Keep the old names for backward compatibility.
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There is no need to force the non-default CFLAGS on users trying to set them via enviroment variable or on configure command.
03 Oct, 2014
1 commit
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static code analysis fixes
17 Sep, 2014
2 commits
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Since there can only be one -m, base cannot be set by -m COMPOSITE and then deallocated on the second -m if it is bugous. The second -m will exit on error at _gf_errno = GF_E_TWOMULT;. Signed-off-by: Loic Dachary <loic-201408@dachary.org>
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Because >> 64 does not have a defined behavior. Signed-off-by: Loic Dachary <loic-201408@dachary.org>
23 Aug, 2014
2 commits
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On CPU that doesn't support SSE4.2 instructions set, this will fail
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because incorrect header is included. smmintrin.h => SSE4.1 nmmintrin.h => SSE4.2
16 Jun, 2014
4 commits
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Conflicts: .gitignore INSTALL Makefile.in aclocal.m4 config.guess config.sub configure examples/Makefile.in include/config.h.in include/config.h.in~ install-sh ltmain.sh m4/libtool.m4 m4/ltversion.m4 missing src/Makefile.in test/Makefile.in tools/Makefile.in
09 Jun, 2014
3 commits
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get the manual.
06 Jun, 2014
1 commit
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for easy navigation.
14 May, 2014
3 commits
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Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
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Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
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Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
