inline __device__ void apply_mask()

in candle-flash-attn-v1/kernels/fmha/softmax.h [199:215]

• 17 lines of code
• 7 McCabe index (conditional complexity)

    inline __device__ void apply_mask(const Mask &mask) {
        #pragma unroll
        for( int mi = 0; mi < MMAS_M; ++mi ) {
            #pragma unroll
            for( int ii = 0; ii < 2; ++ii ) {
                #pragma unroll
                for( int ni = 0; ni < MMAS_N; ++ni ) {
                    #pragma unroll
                    for( int jj = 0; jj < 4; ++jj ) {
                        if( !mask.is_valid(mi, ni, ii, jj) ) {
                            elt_[2 * mi + ii][4 * ni + jj] = zero ? 0.f : -INFINITY;
                        }
                    }
                }
            }
        }
    }