Backport 24115#4692
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aaa1d03 Add optimized sha256d64_arm_shani::Transform_2way (Pieter Wuille) fe06298 Implement sha256_arm_shani::Transform (Pavol Rusnak) 48a72fa Add sha256_arm_shani to build system (Pavol Rusnak) c2b7934 Rename SHANI to X86_SHANI to allow future implementation of ARM_SHANI (Pavol Rusnak) Pull request description: This PR adds support for ARMv8 SHA2 Intrinsics. Fixes bitcoin#13401 and bitcoin#17414 * Integration part was done by me. * The original SHA2 NI code comes from https://github.com/noloader/SHA-Intrinsics/blob/master/sha256-arm.c * Minor optimizations from https://github.com/rollmeister/bitcoin-armv8/blob/master/src/crypto/sha256.cpp are applied too. * The 2-way transform added by @sipa ACKs for top commit: laanwj: Code review and lightly tested ACK aaa1d03 Tree-SHA512: 9689d6390c004269cb1ee79ed05430d7d35a6efef2554a2b6732f7258a11e7e959b3306c04b4e8637a9623fb4c12d1c1b3592da0ff0dc6d737932db302509669 # Conflicts: # configure.ac # src/Makefile.am # src/crypto/sha256.cpp
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This is an incredibly valuable enhancement for arm processors that support these intrinsics. On my apple M1 machine, this branch syncs the first 600000 blocks on testnet in 17 minutes and 05.95 seconds (1026s). Develop takes 19:48.12 (1188s). ~13.6% faster