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Where do you get your information? SBCL has been shown to be, when optimized, within the same order of magnitude as C.

https://news.ycombinator.com/item?id=2192629

If you read the discussions to end, you will notice many objections to the benchmark that you have posted here. Even I have objections. -O3 is not the end of all possible optimizations in C and Fortran.

I hear you, but I was lazy and only gave one reference. There have been, over the years, many demostrations of optimized SBCL being on the same order as C.

https://benchmarksgame-team.pages.debian.net/benchmarksgame/...

https://drmeister.wordpress.com/2015/07/30/timing-data-compa...

https://groups.google.com/forum/?_escaped_fragment_=topic/co...

> within the same order of magnitude

That could mean 9x slower?

990 seconds instead of 110 seconds.

Reply on news.ycombinator.com