Fragen? Antworten! Siehe auch: Alternativlos
clang -O3 -Rpass-analysis="." linpack.c linpack.c:255:21: remark: idamax can be inlined into dgefa with cost=60 (threshold=275) [-Rpass-analysis=inline] l = idamax(n-k,&a[lda*k+k],1) + k; ^ linpack.c:276:21: remark: dscal_r can be inlined into dgefa with cost=-14965 (threshold=275) [-Rpass-analysis=inline] dscal_r(n-(k+1),t,&a[lda*k+k+1],1); … linpack.c:309:21: remark: loop not vectorized: value that could not be identified as reduction is used outside the loop [-Rpass-analysis=loop-vectorize] l = idamax(n-k,&a[lda*k+k],1) + k; ^ linpack.c:703:5: remark: loop not vectorized: unsafe dependent memory operations in loop [-Rpass-analysis=loop-vectorize] for (i = m; i < n; i = i + 4)