How do I check if my build flag is optimize?

shibatch / sleef

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

https://sleef.org

Boost Software License 1.0

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Closed juntangc closed 2 weeks ago

juntangc commented 2 years ago

I follow the installation guide here - https://sleef.org/compile.xhtml.

But all functions in the benchmark give me flat run time around 2ns. Is it possible the compilation flag is not optimized?