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Author SHA1 Message Date
practicalswift
084e17cebd Remove unused includes 2019-10-15 22:56:43 +00:00
DrahtBot
eb7daf4d60 Update copyright headers to 2018 2018-07-27 07:15:02 -04:00
Wladimir J. van der Laan
3a3eabef40
Merge #13386: SHA256 implementations based on Intel SHA Extensions
66b2cf1ccf Use immintrin.h everywhere for intrinsics (Pieter Wuille)
4c935e2eee Add SHA256 implementation using using Intel SHA intrinsics (Pieter Wuille)
268400d318 [Refactor] CPU feature detection logic for SHA256 (Pieter Wuille)

Pull request description:

  Based on #13191.

  This adds SHA256 implementations that use Intel's SHA Extension instructions (using intrinsics). This needs GCC 4.9 or Clang 3.4.

  In addition to #13191, two extra implementations are provided:
  * (a) A variable-length SHA256 implementation using SHA extensions.
  * (b) A 2-way 64-byte input double-SHA256 implementation using SHA extensions.

  Benchmarks for 9001-element Merkle tree root computation on an AMD Ryzen 1800X system:
  * Using generic C++ code (pre-#10821): 6.1ms
  * Using SSE4 (master, #10821): 4.6ms
  * Using 4-way SSE4 specialized for 64-byte inputs (#13191): 2.8ms
  * Using 8-way AVX2 specialized for 64-byte inputs (#13191): 2.1ms
  * Using 2-way SHA-NI specialized for 64-byte inputs (this PR): 0.56ms

  Benchmarks for 32-byte SHA256 on the same system:
  * Using SSE4 (master, #10821): 190ns
  * Using SHA-NI (this PR): 53ns

  Benchmarks for 1000000-byte SHA256 on the same system:
  * Using SSE4 (master, #10821): 2.5ms
  * Using SHA-NI (this PR): 0.51ms

Tree-SHA512: 2b319e33b22579f815d91f9daf7994a5e1e799c4f73c13e15070dd54ba71f3f6438ccf77ae9cbd1ce76f972d9cbeb5f0edfea3d86f101bbc1055db70e42743b7
2018-07-09 21:17:18 +02:00
Chun Kuan Lee
63c16ed507 Use __cpuid_count for gnu C to avoid gitian build fail. 2018-07-07 16:01:43 +00:00
Pieter Wuille
4c935e2eee Add SHA256 implementation using using Intel SHA intrinsics 2018-06-26 10:11:08 -07:00
Pieter Wuille
268400d318 [Refactor] CPU feature detection logic for SHA256 2018-06-24 10:51:07 -07:00
Wladimir J. van der Laan
5eca4e86d4
Merge #13471: For AVX2 code, also check for AVX, XSAVE, and OS support
32d153fa36 For AVX2 code, also check for AVX, XSAVE, and OS support (Pieter Wuille)

Pull request description:

  Fixes #12903.

Tree-SHA512: 01e71efb5d3a43c49a145a5b1dc4fe7d0a491e1e78479e7df830a2aaac57c3dcfc316e28984c695206c76f93b68e4350fc037ca36756ca579b7070e39c835da2
2018-06-24 15:31:33 +02:00
Pieter Wuille
32d153fa36 For AVX2 code, also check for AVX, XSAVE, and OS support 2018-06-18 14:55:54 -07:00
Pieter Wuille
1e1eb6367f Improve coverage of SHA256 SelfTest code 2018-06-12 12:10:13 -07:00
Pieter Wuille
57ba401abc Enable double-SHA256-for-64-byte code on 32-bit x86 2018-06-04 11:30:34 -07:00
Pieter Wuille
4437d6e1f3 8-way AVX2 implementation for double SHA256 on 64-byte inputs 2018-05-29 14:18:05 -07:00
Pieter Wuille
230294bf5f 4-way SSE4.1 implementation for double SHA256 on 64-byte inputs 2018-05-29 14:18:05 -07:00
Pieter Wuille
d0c9632883 Specialized double sha256 for 64 byte inputs 2018-05-29 14:05:00 -07:00
Pieter Wuille
57f34630fb Refactor SHA256 code 2018-05-08 07:44:21 -07:00
Akira Takizawa
595a7bab23 Increment MIT Licence copyright header year on files modified in 2017 2018-01-03 02:26:56 +09:00
MeshCollider
1a445343f6 scripted-diff: Replace #include "" with #include <> (ryanofsky)
-BEGIN VERIFY SCRIPT-
for f in \
  src/*.cpp \
  src/*.h \
  src/bench/*.cpp \
  src/bench/*.h \
  src/compat/*.cpp \
  src/compat/*.h \
  src/consensus/*.cpp \
  src/consensus/*.h \
  src/crypto/*.cpp \
  src/crypto/*.h \
  src/crypto/ctaes/*.h \
  src/policy/*.cpp \
  src/policy/*.h \
  src/primitives/*.cpp \
  src/primitives/*.h \
  src/qt/*.cpp \
  src/qt/*.h \
  src/qt/test/*.cpp \
  src/qt/test/*.h \
  src/rpc/*.cpp \
  src/rpc/*.h \
  src/script/*.cpp \
  src/script/*.h \
  src/support/*.cpp \
  src/support/*.h \
  src/support/allocators/*.h \
  src/test/*.cpp \
  src/test/*.h \
  src/wallet/*.cpp \
  src/wallet/*.h \
  src/wallet/test/*.cpp \
  src/wallet/test/*.h \
  src/zmq/*.cpp \
  src/zmq/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-
2017-11-16 08:23:01 +13:00
Wladimir J. van der Laan
ce5381e7fe build: Rename --enable-experimental-asm to --enable-asm and enable by default
Now that 0.15 is branched off, enable assembler SHA256 optimizations by default.
2017-08-28 11:06:11 +02:00
Pieter Wuille
6b8d872e5e Protect SSE4 code behind a compile-time flag 2017-07-20 09:03:53 -07:00
Pieter Wuille
fa9be909c9 Add selftest for SHA256 transform 2017-07-20 09:03:53 -07:00
Pieter Wuille
c1ccb15b0e Add SSE4 based SHA256 2017-07-20 09:03:53 -07:00
Pieter Wuille
2991c91d88 Add SHA256 dispatcher 2017-07-20 09:03:53 -07:00
Pieter Wuille
4d50f38fe0 Support multi-block SHA256 transforms
Extracted from a patch by Wladimir van der Laan.
2017-07-20 09:03:53 -07:00
sandakersmann
f914f1a746
Added "Core" to copyright headers
Github-Pull: #5494
Rebased-From: 15de949bb9
2014-12-19 19:55:32 +01:00
Pieter Wuille
36fa4a78ac Split up crypto/sha2 2014-11-20 17:22:02 +01:00