SBCL Build Times

I just built Steel Bank Common Lisp version 0.9.9 using a pre-existing 0.9.8 install on two of my systems.

Dell SC420
1G RAM, 160G SATA disk, Celeron 2.53Ghz CPU, Fedora Core 4
~15 minutes.

Sun Enterprise 420R
4G RAM, dual 18G SCSI disks, quad US-II 450Mhz CPUs (2M L2 each), Solaris 9
~2.5 hours.

3 thoughts on “SBCL Build Times

  1. Ouch, that hurts the big-iron fan in me. Sad but very true, the x86 world wins hands down in price/performance.

  2. Yeah, it’s a case of basic megahertz unfortunately. While quad 450s (2M L2 cache *each*) and 4G of RAM will perform better under a heavy load, the pure speed of the Celeron wins in this case.

    Will be interesting to see how this Core Duo iMac (2Ghz) does when SBCL is finally ported.

  3. It is a case of basic megahertz, yes, but don’t forget that you could do four concurrent SBCL builds (say, with four different modifications to CVS HEAD πŸ™‚ on your quad sparc and get them done in about the same time as one build, whereas doing four concurrent builds of SBCL on your single-processor celeron will cause massive CPU contention and probably much swap usage. Give it a try and see what wins πŸ˜‰


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