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Updated Support for AArch64 (markdown)
@@ -11,11 +11,10 @@ Requirements:
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## Status
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**cpuminer-opt-23.8 is released, all users should upgrade**
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**cpuminer-opt-23.9 is released, all users should upgrade**
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Highlights from this release:
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Removed some obsolete code that should make it easier to support AArch64 and hopefully MacOS soon.
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AES is working in general and enabled for Shavite & Echo. Groestl and Fugue still have issues.
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Fixed minotaurx x86_64, broken in v23.7, #407 fixed a compile error
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Upgraded development environment:
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* Orange Pi 5 Plus 16 GB, Rockchip 8 core CPU with AES & SHA2
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@@ -56,8 +55,7 @@ Known problems:
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* Algos may show support for NEON even if it's disabled or not yet implemented.
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* X17, MinotaurX are not fully oprimized.
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* Simd: NEON parallel hash not enasbled, using unoptimized.
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* Fugue: Multiple issues with NEON & AES, using unoptimized.
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* Groestl: Neon AES not working, using unoptimized.
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* Groestl, Fugue: Multiple issues with NEON & AES, using unoptimized.
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* Hamsi: parallel NEON not working, using unoptimized.
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* SWIFFTX: Deferred, using unoptimized.
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* Algos not mentioned have either been deferred or have not been analyzed. They may or may not work on ARM.
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@@ -66,13 +64,15 @@ Short term plan:
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Continue fixing parallel hash functions for x17 before propagating them to the rest of the X family.
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Figure out what's going on with verthash.
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Extend suport to x21s, x22i, x25x.
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Extend support to x21s, x22i, x25x.
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Add support for the short algos like skein2, keccak, blake2s, etc.
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Complete any other work needed to bring parity with SSE2.
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Performance testing.
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Medium term:
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Groestl & Fugue AES.
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Detection of ARM CPU model and architecture minor version.
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Find NEON optimization opportunities that exploit it's architecture and instruction set.
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Apply lessons learned to x86_64.
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