./build.sh -j15 -U -m sparc64 -V HAVE_GCC=5 kernel=GENERIC

427.369u 154.678s 1:03.33 919.0%        0+0k 29+47271io 5596pf+0w
428.673u 155.124s 1:04.13 910.3%        0+0k 0+53390io 5592pf+0w
427.279u 156.727s 1:03.71 916.6%        0+0k 0+53396io 5592pf+0w

./build.sh -j15 -U -m sparc64 -V HAVE_GCC=6 kernel=GENERIC

455.506u 138.068s 1:04.55 919.5%        0+0k 83+53958io 5662pf+0w
453.676u 140.608s 1:05.16 912.0%        0+0k 0+53839io 5656pf+0w
455.427u 136.750s 1:03.93 926.2%        0+0k 0+53838io 5656pf+0w

./build.sh -j15 -U -m amd64 -V HAVE_GCC=5 kernel=GENERIC

781.814u 530.256s 2:38.38 828.4%        0+0k 326+91788io 5608pf+0w
782.578u 529.222s 2:36.59 837.7%        0+0k 0+91767io 5604pf+0w
780.343u 533.704s 2:36.79 838.0%        0+0k 0+91757io 5604pf+0w

./build.sh -j15 -U -m amd64 -V HAVE_GCC=6 kernel=GENERIC

848.188u 492.433s 2:36.01 859.3%        0+0k 4+82956io 5668pf+0w
842.143u 494.173s 2:36.91 851.6%        0+0k 0+92737io 5668pf+0w
839.393u 492.453s 2:35.97 853.9%        0+0k 0+92743io 5668pf+0w