Re: [racket] future on dual processor machine

2011-05-17 Thread Jos Koot
Thanks, I patiently await the fix. I am not in a hurry. Thanks for keeping me posted, Jos _ From: users-boun...@racket-lang.org [mailto:users-boun...@racket-lang.org] On Behalf Of James Swaine Sent: 17 May 2011 07:02 To: users@racket-lang.org Subject: Re: [racket] future on dual

[racket] future on dual processor machine

2011-05-16 Thread Jos Koot
The program below has strange behaviour: I run it from DrScheme on a dual core machine with two processors. No other applications active. When I run it the first time it uses 100% of both processors. Running it again without leaving DrScheme, it apparently uses one processor at a time only,

Re: [racket] future on dual processor machine

2011-05-16 Thread James Swaine
It looks like you've found a futures bug. This is being caused by the interaction between futures and custodians (which DrRacket is using) -- we've identified a fix, but need a little more testing to ensure that it's working properly. I will keep you posted here. -James The program below