Add RISC-V V extension support and add R-V V isal_adler32 #314
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Use the base implementations for every function. Signed-off-by: Daniel Gregory <[email protected]>
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Just a small comment. Also, what are your plans on #299?
Thanks
Signed-off-by: sunyuechi <[email protected]>
banana_f3: new: adler32_warm: runtime = 3062612 usecs, bandwidth 3861 MB in 3.0626 sec = 1261.01 MB/s old: adler32_warm: runtime = 3062505 usecs, bandwidth 1027 MB in 3.0625 sec = 335.64 MB/s Signed-off-by: sunyuechi <[email protected]>
When using RISC-V GCC 14, `gcc -O0` passes the test, but `gcc -O2` fails.
The log shows that it enters the branch `if (c_dut != c_ref) {`
even though `c_dut` and `c_ref` have the same value.
Adding `volatile` allows the test to pass.
Signed-off-by: sunyuechi <[email protected]>
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It looks like 299 needs to add build-time and runtime detection for the B extension. Maybe it's better to merge this PR first so that 299 can more easily call the |
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Thanks @hleft. Our internal CI is throwing this warning: configure.ac:80: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS Could you take a look at it and fix it? This is caused by the last commit, I believe. |
Signed-off-by: sunyuechi <[email protected]>
Okay, I have updated its order. |
Include V extension checks at both build and runtime, and optimize isal_adler32