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Asked: 2026-06-05T14:32:39+00:00

What is the difference between _m256i and _m256d and _m256 ? and What is

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What is the difference between _m256i and _m256d and _m256? and
What is the difference between _m128i and _m128d and _m128?

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  1. Editorial Team

    The documentation states:

    The __m256 data type is used to represent the contents of the extended SSE register – the YMM register, used by the Intel® AVX intrinsics. The __m256 data type can hold eight 32-bit floating-point values.

    The __m256d data type can hold four 64-bit double precision floating-point values.

    The __m256i data type can hold thirty-two 8-bit, sixteen 16-bit, eight 32-bit, or four 64-bit integer values.

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