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How do I compile with "ffast-math"?

score 3151 · Answer 1 · 2015-06-16T09:19:28.847000

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How can I find math operations that would be optimized by `-ffast-math`?

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TechQA.

List Question

How do I compile with "ffast-math"?

Does any floating point-intensive code produce bit-exact results in any x86-based architecture?

gcc, simd intrinsics and fast-math concepts

gcc -Ofast - complete list of limitations

Where is the source of imprecise calculation in the assembler code of gcc -Ofast compared with -O3?

Dynamic -ffast-math

OpenCL Fast Relaxed Math

Is there a way to tell the compiler to compile with "fast-math" or something similar in C#?

C++ gcc does associative-math flag disable float NAN values?

Strict aliasing, -ffast-math and SSE

Why does GCC or Clang not optimise reciprocal to 1 instruction when using fast-math

host device functions calling overloaded functions

Negative NaN is not a NaN?

AVX code segfaults when compiled with -ffast-math?

How can I find math operations that would be optimized by `-ffast-math`?

Can this piece of code be modified such that it works with fast-math enabled?

Mingw32 std::isnan with -ffast-math

Why does -fno-signed-zeros have an effect on vectorization for minimum search?

why -ffast-math option break my bool condition

Do denormal flags like Denormals-Are-Zero (DAZ) affect comparisons for equality?

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