Thanks! I will try it out. <div class="gmail_quote">On Fri, Nov 23, 2012 at 11:27 AM, Robby Findler <<a href="mailto:robby@eecs.northwestern.edu" target="_blank">robby@eecs.northwestern.edu</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This: (> (processor-count) 1) appears twice in collects/drracket/private/module-language.rkt. Remove it (or change the 1 to a 0 :). If it doesn't seem too painful, then maybe I can just make the preference default to disabled on single-core machines instead of completely disabling it. Robby <div class="HOEnZb"><div class="h5"> On Fri, Nov 23, 2012 at 11:20 AM, Grant Rettke <<a href="mailto:grettke@acm.org">grettke@acm.org</a>> wrote: > Oh ok. I guess that feature is good for the economy, than :). > > Where is the check made in the code something simple that I can grep for and > re-run raco setup to turn it on and to see how slow it is? > > > On Fri, Nov 23, 2012 at 11:15 AM, Robby Findler > <<a href="mailto:robby@eecs.northwestern.edu">robby@eecs.northwestern.edu</a>> wrote: >> >> On Fri, Nov 23, 2012 at 11:03 AM, Grant Rettke <<a href="mailto:grettke@acm.org">grettke@acm.org</a>> wrote: >> > On Fri, Nov 23, 2012 at 10:58 AM, Robby Findler >> > <<a href="mailto:robby@eecs.northwestern.edu">robby@eecs.northwestern.edu</a>> wrote: >> >> Do you have more than 1 core? >> > >> > No, single core. Enjoying using Racket and friends running very fast >> > and pleasantly on an old but fast laptop. >> >> That explains it, then. It isn't available unless there are at least 2 >> cores (it would be painfully sluggish without parallelism, I believe). >> >> Robby > > > > > -- > Grant Rettke | ACM, AMA, COG, IEEE > <a href="mailto:grettke@acm.org">grettke@acm.org</a> | <a href="http://www.wisdomandwonder.com/" target="_blank">http://www.wisdomandwonder.com/</a> > Wisdom begins in wonder. > ((λ (x) (x x)) (λ (x) (x x))) </div></div></blockquote></div> <div> </div>-- Grant Rettke | ACM, AMA, COG, IEEE <a href="mailto:grettke@acm.org" target="_blank">grettke@acm.org</a> | <a href="http://www.wisdomandwonder.com/" target="_blank">http://www.wisdomandwonder.com/</a> Wisdom begins in wonder. ((λ (x) (x x)) (λ (x) (x x)))