YETI, 1 thread: real 49m59.751s user 49m54.531s sys 0m2.372s YETI, max 4 threads, but no continuous supply yet: real 26m57.589s user 54m0.303s sys 0m5.656s xussr, 1 thread: real 1m26.747s user 1m25.937s sys 0m1.276s xussr, max 4 threads: real 2m4.170s user 2m18.485s sys 0m6.144s