Re: [racket-dev] Pre-Release Checklist for v5.1.2

2011-07-23 Thread John Clements
On Jul 19, 2011, at 5:16 PM, Ryan Culpepper wrote: Checklist items for the v5.1.2 release (using the v5.1.1.900 release candidate build) * John Clements cleme...@brinckerhoff.org - Stepper Tests I've just discovered a bug in the stepper (that was there in 5.1.1 as well). Let me see

[racket-dev] can we write these four lines of C in performant racket?

2011-07-23 Thread John Clements
This C code adds the content of one buffer to another one, with no checking. The corresponding racket code runs about 10x slower. Do you folks think that it should be possible to do better? (One salient fact: these are shorts--16-bit-ints--not 32-bit ints.) John void addOn(short *dst, int

Re: [racket-dev] Pre-Release Checklist for v5.1.2

2011-07-23 Thread Stephen Chang
* Stephen Chang stch...@ccs.neu.edu  - Lazy Racket Tests  - Lazy stepper tests All passed. * Eli Barzilay e...@barzilay.org  - Swindle Tests  - Plot Tests  - Verify that the unix installer works in both modes  - Racket Tree: compare new distribution tree to previous one  Version

Re: [racket-dev] can we write these four lines of C in performant racket?

2011-07-23 Thread Robby Findler
What is the data you're using to represent the shorts in Racket? Robby On Sat, Jul 23, 2011 at 1:42 PM, John Clements cleme...@brinckerhoff.org wrote: This C code adds the content of one buffer to another one, with no checking.   The corresponding racket code runs about 10x slower. Do you

Re: [racket-dev] can we write these four lines of C in performant racket?

2011-07-23 Thread John Clements
On Jul 23, 2011, at 2:46 PM, Robby Findler wrote: What is the data you're using to represent the shorts in Racket? #s16vectors. John Robby On Sat, Jul 23, 2011 at 1:42 PM, John Clements cleme...@brinckerhoff.org wrote: This C code adds the content of one buffer to another one, with

Re: [racket-dev] Pre-Release Checklist for v5.1.2

2011-07-23 Thread Stephen Chang
  - Stepper Tests Printing in the Stepper is broken yet again.  (I get backquote printing for the DMdA levels for lists.)  I'll try to fix it Monday or Tuesday. Mike, is the DMdA stepper the same as the HtDP stepper? I'm only seeing 1 dmda test in collects/tests/stepper but it doesnt have any

Re: [racket-dev] Pre-Release Checklist for v5.1.2

2011-07-23 Thread Gregory Cooper
* Greg Cooper g...@cs.brown.edu - FrTime Tests Done. _ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev