> … required telling SBCL to do some stupidly dangerous things … No, that isn't required. On the contrary SBCL is quite insistent that the arithmetic be made

> … required telling SBCL to do some stupidly dangerous things … No, that isn't required. On the contrary SBCL is quite insistent that the arithmetic be made safe. I'm not even a Lisp newbie, but with help from SO I've been able to tweak those spectral-norm programs to make the SBCL compiler happy without destroying the performance: https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/spectralnorm-sbcl-6.html https://benchmarksgame-team.pages.debian.net/benchmarksgame/... https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/spectralnorm-sbcl-7.html https://benchmarksgame-team.pages.debian.net/benchmarksgame/...