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Add Runtime dispatch based on custom CPU capabilities function #607

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Add Runtime dispatch based on custom CPU capabilities function #607

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@willieyz willieyz commented Nov 4, 2025 •
edited by mkannwischer
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@willieyz willieyz changed the title Runtime dispatch Add Runtime dispatch based on custom CPU capabilities function Nov 4, 2025
@willieyz willieyz force-pushed the runtime-dispatch branch 5 times, most recently from 6332a01 to b0ac532 Compare November 4, 2025 12:24
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@willieyz willieyz force-pushed the runtime-dispatch branch 3 times, most recently from ae85594 to 8542ed7 Compare November 5, 2025 02:08
@willieyz
Add runtime dispatch (mld_ntt_native)
a29ca7e 
- Change mld_ntt_native() return type from void to int
- Add runtime capability checking with fallback support
- Implement dispatch logic in mld_poly_ntt() to try native first,
  fallback to C
- Add MLD_NATIVE_FUNC_SUCCESS/FALLBACK return codes
- Add mld_sys_check_capability() for system capability detection
- Add test configuration for AVX2, static ON/OFF, add to CI test.

Signed-off-by: willieyz <[email protected]>
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Port run-time dispatch from mlkem-native

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@willieyz