| Commit message (Collapse) | Author | Age | Files | Lines |
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Fixes for the amalgamation generator for internal headers.
Remove BOTAN_DLL exporting macros from all internal-only headers;
the classes/functions there don't need to be exported, and
avoiding the PIC/GOT indirection can be a big win.
Add missing BOTAN_DLLs where necessary, mostly gfpmath and cvc
For GCC, use -fvisibility=hidden and set BOTAN_DLL to the
visibility __attribute__ to export those classes/functions.
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change some of the hash functions to use it as low hanging fruit.
Probably could use further optimization (just unrolls x4 currently), but
merely having it as syntax is good as it allows optimizing many functions
at once (eg using SSE2 to do 4-way byteswaps).
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Pretty much useless and unused, except for listing the module names in
build.h and the short versions totally suffice for that.
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just too fragile and not that useful. Something like Java's checked exceptions
might be nice, but simply killing the process entirely if an unexpected
exception is thrown is not exactly useful for something trying to be robust.
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rotate.h, or when it was not needed at all. Remove or change the includes
as needed.
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up during the Fedora submission review, that each source file include some
text about the license. One handy Perl script later and each file now has
the line
Distributed under the terms of the Botan license
after the copyright notices.
While I was in there modifying every file anyway, I also stripped out the
remainder of the block comments (lots of astericks before and after the
text); this is stylistic thing I picked up when I was first learning C++
but in retrospect it is not a good style as the structure makes it harder
to modify comments (with the result that comments become fewer, shorter and
are less likely to be updated, which are not good things).
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the registers only once and carrying the values over between loop
iterations.
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to have been so! Change MDx_HashFunction::hash to a new compress_n
which hashes an arbitrary number of blocks. I had a thought this might
reduce a bit of loop overhead but the results were far better than I
anticipated. Speedup across the board of about 2%, and very
noticable (+10%) increases for MD4 and Tiger (probably b/c both
of those have so few instructions in each iteration of the
compression function).
Before:
SHA-1:
amd64: 211.9 MiB/s
core: 210.0 MiB/s
sse2: 295.2 MiB/s
MD4: 476.2 MiB/s
MD5: 355.2 MiB/s
SHA-256: 99.8 MiB/s
SHA-512: 151.4 MiB/s
RIPEMD-128: 326.9 MiB/s
RIPEMD-160: 225.1 MiB/s
Tiger: 214.8 MiB/s
Whirlpool: 38.4 MiB/s
After:
SHA-1:
amd64: 215.6 MiB/s
core: 213.8 MiB/s
sse2: 299.9 MiB/s
MD4: 528.4 MiB/s
MD5: 368.8 MiB/s
SHA-256: 103.9 MiB/s
SHA-512: 156.8 MiB/s
RIPEMD-128: 334.8 MiB/s
RIPEMD-160: 229.7 MiB/s
Tiger: 240.7 MiB/s
Whirlpool: 38.6 MiB/s
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them modules now. In any case there is no distinction so info.txt seems
better.
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Correct the configure program so modules are not autoloaded if their
dependences are not available. (Eg, --no-module=mdx_hash will disable
MD4, MD5, SHA-1, etc rather than cause a compliation failure)
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