It can be difficult if you aren't familiar with the JIT implementation code, but yes. It seems like Sam's package is a much more tractable option, though.
On Mon, Feb 25, 2013 at 9:24 AM, Robby Findler <[email protected]>wrote: > Can't you set a break point somewhere and then use gdb's 'disassemble' > command? > > Robby > > > On Monday, February 25, 2013, James Swaine wrote: > >> Hi Haiwei, >> >> AFAIK there isn't any way to see the actual instructions that the JIT is >> generating. Why do you think it would be helpful in this case? >> >> It may be helpful to use raco decompile, however -- that allows you to >> see what the bytecode version of your program looks like (which is what is >> actually being fed to the JIT). >> >> -James >> >> >> Message: 6 >>> Date: Mon, 25 Feb 2013 17:53:34 +0800 >>> From: Haiwei Zhou <[email protected]> >>> To: Danny Yoo <[email protected]> >>> Cc: users <[email protected]> >>> Subject: Re: [racket] The performance of fannkuch-redux >>> Message-ID: >>> <CABLXuO9nJAUa=Xn7779377NPnoQX6Ze3Tdkf6bvF= >>> [email protected]> >>> Content-Type: text/plain; charset="iso-8859-1" >>> >>> Updated a parallel version to >>> https://github.com/highfly22/fannkuch-redux >>> It takes about 1m50s in the four cores PC, while the script in the >>> shoutout >>> takes about 4m30s. It looks like the task division is not perfect. >>> >>> I am just curious on the native implement of JIT. How to dump assemble >>> code >>> after JIT? >>> >>> When I try to define count-flips as a macro, racket complains "to many >>> forms"? What does that mean? >>> >>> Thanks, >>> Haiwei >>> >>> >>> On 24 February 2013 11:03, Danny Yoo <[email protected]> wrote: >>> >>> > >> > It's amazing fast. If it is only 6 times slower than C version. If >>> > >> > parallelizing the time consuming operations, it would be 2x slower >>> > than >>> > >> > C >>> > >> > version in the four cores CPU. >>> > >> >>> > >> >>> > >> Do you mean the version you've written, or the one in the Racket >>> > >> benchmark suite? >>> > > >>> > > It's the one in the benchmark suite. >>> > >>> > >>> > What does the code look like if you add the parallelizing? Can you >>> > show us? Thanks! >>> > >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >>> http://lists.racket-lang.org/users/archive/attachments/20130225/8e591afb/attachment-0001.html >>> > >>> >>> ------------------------------ >>> >>
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