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"Optimize" is in quotes because it's rather a "salvage operation"
for now. Idea is to identify processor capability flags that
drive Knights Landing to suboptimial code paths and mask them.
Two flags were identified, XSAVE and ADCX/ADOX. Former affects
choice of AES-NI code path specific for Silvermont (Knights Landing
is of Silvermont "ancestry"). And 64-bit ADCX/ADOX instructions are
effectively mishandled at decode time. In both cases we are looking
at ~2x improvement.
AVX-512 results cover even Skylake-X :-)
Hardware used for benchmarking courtesy of Atos, experiments run by
Romain Dolbeau <romain.dolbeau@atos.net>. Kudos!
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
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The assembler already knows the actual path to the generated file and,
in other perlasm architectures, is left to manage debug symbols itself.
Notably, in OpenSSL 1.1.x's new build system, which allows a separate
build directory, converting .pl to .s as the scripts currently do result
in the wrong paths.
This also avoids inconsistencies from some of the files using $0 and
some passing in the filename.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3431)
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As hinted by its name new subroutine processes 8 input blocks in
parallel by loading data to 512-bit registers. It still needs more
work, as it needs to handle some specific input lengths better.
In this sense it's yet another intermediate step...
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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As hinted by its name new subroutine processes 4 input blocks in
parallel. It still operates on 256-bit registers and is just
another step toward full-blown AVX512IFMA procedure.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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This is initial and minimal single-block implementation.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Effectively it's minor size optimization, 5-6% per affected subroutine.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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On pre-Skylake best optimization strategy was balancing port-specific
instructions, while on Skylake minimizing the sheer amount appears
more sensible.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Add Poly1305 as a "signed" digest.
Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2128)
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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chacha/asm/chacha-x86_64.pl: refine nasm version detection logic.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Now that we can link specifically with static libraries, the immediate
need to split ppccap.c (and eventually other *cap.c files) is no more.
This reverts commit e3fb4d3d52e188b83ccb8506aa2f16cb686f4d6c.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Having that code in one central object file turned out to cause
trouble when building test/modes_internal_test.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1883)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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MIPS[32|64]R6 is binary and source incompatible with previous MIPS ISA
specifications. Fortunately it's still possible to resolve differences
in source code with standard pre-processor and switching to trap-free
version of addition and subtraction instructions.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1413)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Ensure things really do get cleared when we intend them to.
Addresses an OCAP Audit issue.
Reviewed-by: Andy Polyakov <appro@openssl.org>
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[as it is now quoting $output is not required, but done just in case]
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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No code change
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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We don't need it, but external users might find it handy.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/952)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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Even though no test could be found to trigger this, paper-n-pencil
estimate suggests that x86 and ARM inner loop lazy reductions can
loose a bit in H4>>*5+H0 step.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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The Unix build was the last to retain the classic build scheme. The
new unified scheme has matured enough, even though some details may
need polishing.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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This reverts commit 620d540bd47a96fb6905fbbdd8ea5167a8841a3e.
It wasn't reviewed.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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RT#4483
[poly1305-armv4.pl: remove redundant #ifdef __thumb2__]
[poly1305-ppc*.pl: presumably more accurate benchmark results]
Reviewed-by: Richard Levitte <levitte@openssl.org>
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RT#4439
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
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This removes all scripts that deal with MINFO as well, since that's
only used by mk1mf.
Reviewed-by: Andy Polyakov <appro@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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The reason to do so is that some of the generators detect PIC flags
like -fPIC and -KPIC, and those are normally delivered in LD_CFLAGS.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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