Re: [Haskell-cafe] ANNOUNCE: taffybar: an alternative status bar for xmonad

2011-08-14 Thread Tristan Ravitch
On Sat, Aug 13, 2011 at 09:54:13PM -0700, Joel Burget wrote: This sounds really intriguing. Since I'm temporarily not using xmonad, and I'm sure others would like to see as well, could we get a screenshot? Oops, how could I forget. http://pages.cs.wisc.edu/~travitch/taffybar.jpg I have the

[Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread Andrew Smith B.Sc(Hons),MBA
LinkedIn I'd like to add you to my professional network on LinkedIn. - Andrew Andrew Smith B.Sc(Hons),MBA Founder and CEO at VTRL - Value Technology Research Ltd Edinburgh, United Kingdom Confirm that you know Andrew Smith B.Sc(Hons),MBA

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread Daniel Patterson
lol. I don't know Andrew Smith. How about y'all? On Aug 14, 2011, at 12:32 PM, Andrew Smith B.Sc(Hons),MBA wrote: LinkedIn I'd like to add you to my professional network on LinkedIn. - Andrew Andrew Smith B.Sc(Hons),MBA Founder and CEO at VTRL - Value Technology Research Ltd

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread vagif . verdi
That's a clever way to build your resume. :)) Someone looking at his numerous contacts with haskell community may think Wow, this guys is some sort of haskell guru. Better bring him in for our stock market division. On Sunday, August 14, 2011 01:02:42 PM Daniel Patterson wrote: lol. I don't

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread Brandon Allbery
On Sun, Aug 14, 2011 at 13:09, vagif.ve...@gmail.com wrote: That's a clever way to build your resume. :)) No, just LinkedIn being stupid; the sign-up form is designed to spam your contacts, and you actually have to take some care to avoid it. -- brandon s allbery

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread MigMit
Not so sure; his company's website is under construction for more than a year and after brief google'ing I still don't understand even what kind of business are they supposed to be in. Seems more likely that it's actually Andrew who does the spamming. Отправлено с iPad 14.08.2011, в 21:18,

Re: [Haskell-cafe] Proposal #3339: Add (+) as a synonym for mappend

2011-08-14 Thread Brandon Allbery
On Sun, Aug 14, 2011 at 13:38, Yitzchak Gale g...@sefer.org wrote: Brandon Allbery wrote: Umm, I think the semigroups package will break everything that creates Monoid instances anyway. It has never broken anything for me. What do you mean? Anything useful has to be modified to depend on

Re: [Haskell-cafe] Proposal #3339: Add (+) as a synonym for mappend

2011-08-14 Thread Yitzchak Gale
Brandon Allbery wrote: Anything useful has to be modified to depend on SemiGroup as well to get mconcat or its replacement; that's why you jumped the proposal to begin with Not at all. Types with Monoid instances need an additional instance, a Semgroup instance, in order to be able to use

[Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Wishnu Prasetya
Hi guys, I'm new in parallel programming with Haskell. I made a simple test program using that par combinator etc, and was a bit unhappy that it turns out to be slower than its sequential version. But firstly, I dont fully understand how to read the runtime report produced by GHC with -s

Re: [Haskell-cafe] Proposal #3339: Add (+) as a synonym for mappend

2011-08-14 Thread Chris Smith
On Sun, 2011-08-14 at 21:05 +0300, Yitzchak Gale wrote: Brandon Allbery wrote: Anything useful has to be modified to depend on SemiGroup as well to get mconcat or its replacement; that's why you jumped the proposal to begin with Not at all. Types with Monoid instances need an

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Edward Z. Yang
Hello Wishnu, That is slightly odd. What CPU and operating system are you running on? Include Kernel versions if Linux. Cheers, Edward Excerpts from Wishnu Prasetya's message of Sun Aug 14 14:11:36 -0400 2011: Hi guys, I'm new in parallel programming with Haskell. I made a simple test

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Iustin Pop
On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in parallel programming with Haskell. I made a simple test program using that par combinator etc, and was a bit unhappy that it turns out to be slower than its sequential version. But firstly, I dont fully

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Wishnu Prasetya
Hello Edward, I'm using Windows 7 on Intel i7 (4 cores with hyperthreading)... --Wish. Hello Wishnu, That is slightly odd. What CPU and operating system are you running on? Include Kernel versions if Linux. Cheers, Edward Excerpts from Wishnu Prasetya's message of Sun Aug 14 14:11:36 -0400

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Edward Z. Yang
Ah, good catch. :-) Edward Excerpts from Iustin Pop's message of Sun Aug 14 14:25:02 -0400 2011: On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in parallel programming with Haskell. I made a simple test program using that par combinator etc, and was a

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Wishnu Prasetya
On 14-8-2011 20:25, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in parallel programming with Haskell. I made a simple test program using that par combinator etc, and was a bit unhappy that it turns out to be slower than its sequential

Re: [Haskell-cafe] Haskell Actors, Linda, publish / subscribe models?

2011-08-14 Thread dokondr
On Sat, Aug 13, 2011 at 3:54 PM, dokondr doko...@gmail.com wrote: Hi, I am trying to figure out what Haskell libraries can be used to build publish / subscribe communication between threads running both in the same and different address spaces on the net. For my needs any of these models

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Iustin Pop
On Sun, Aug 14, 2011 at 08:32:36PM +0200, Wishnu Prasetya wrote: On 14-8-2011 20:25, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in parallel programming with Haskell. I made a simple test program using that par combinator etc, and was

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread Ketil Malde
Andrew Smith B.Sc(Hons),MBA asmith9...@gmail.com writes: I'd like to add you to my professional network on LinkedIn. Since LinkedIn tends to spam even more ambitiously than the other social network sites, I have a procmail rule sending any mail from Linkedin to /dev/null. But it doesn't work

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Daniel Fischer
On Sunday 14 August 2011, 21:53:21, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:32:36PM +0200, Wishnu Prasetya wrote: On 14-8-2011 20:25, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in parallel programming with Haskell. I made a

Re: [Haskell-cafe] Proposal #3339: Add (+) as a synonym for mappend

2011-08-14 Thread Edward Kmett
I originally didn't have the package exporting those things. I would be amenable to standardization without them, but I use them in about 20 packages that are built on top of semigroups, and naturals and non-empty lists come up when talking about semigroups a lot. Rather than having them live

Re: [Haskell-cafe] Invitation to connect on LinkedIn

2011-08-14 Thread Brandon Allbery
On Sun, Aug 14, 2011 at 16:15, Ketil Malde ke...@malde.org wrote: Andrew Smith B.Sc(Hons),MBA asmith9...@gmail.com writes: I'd like to add you to my professional network on LinkedIn. Since LinkedIn tends to spam even more ambitiously than the other social network sites, I have a procmail

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Wishnu Prasetya
On 14-8-2011 22:17, Daniel Fischer wrote: On Sunday 14 August 2011, 21:53:21, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:32:36PM +0200, Wishnu Prasetya wrote: On 14-8-2011 20:25, Iustin Pop wrote: On Sun, Aug 14, 2011 at 08:11:36PM +0200, Wishnu Prasetya wrote: Hi guys, I'm new in

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Daniel Fischer
On Sunday 14 August 2011, 22:42:13, Wishnu Prasetya wrote: On 14-8-2011 22:17, Daniel Fischer wrote: We don't know the times for a non-threaded run (or an -N1 run), so it could be anything from a slowdown to a 4× speedup (but it's likely to be a speedup by a factor 4×). Well, the

[Haskell-cafe] Evolving faster Haskell programs - where are the files?

2011-08-14 Thread Robert Clausecker
I just read the enlightening article by Don Stewart[1], and wanted to test this method on one of my own programs, but it seems that there some of the attached files are missing, namely [2], [3] and [4]. Is there anybody who knows, where I can get those files? I don't really want to rewrite those

Re: [Haskell-cafe] Evolving faster Haskell programs - where are the files?

2011-08-14 Thread Warren Henning
I mentioned this to him on Twitter a while ago. Presumably it has to do with the fact that he's no longer at Galois. Another unfortunate fact is that ACOVEA is at this point unmaintained, and that is why the official homepage for it was removed. When I emailed the author, he said he couldn't

Re: [Haskell-cafe] ANNOUNCE: taffybar: an alternative status bar for xmonad

2011-08-14 Thread Alexander Dunlap
On 13 August 2011 08:56, Tristan Ravitch travi...@cs.wisc.edu wrote: I've wanted a slightly fancier status bar than xmobar for a while, so I finally made one.  It uses gtk2hs and dbus extensively, so if you hate either of those things it probably isn't for you.  Being written in gtk, though,

Re: [Haskell-cafe] ANNOUNCE: taffybar: an alternative status bar for xmonad

2011-08-14 Thread Tristan Ravitch
On Sun, Aug 14, 2011 at 02:45:24PM -0700, Alexander Dunlap wrote: I apologize if I'm missing something obvious here, but when I try to run taffybar I get Launching custom binary /home/alex/.cache/taffybar/taffybar-linux-i386 taffybar-linux-i386: ConnectionError connectSession:

Re: [Haskell-cafe] how to read CPU time vs wall time report from GHC?

2011-08-14 Thread Wishnu Prasetya
On 14-8-2011 23:05, Daniel Fischer wrote: On Sunday 14 August 2011, 22:42:13, Wishnu Prasetya wrote: On 14-8-2011 22:17, Daniel Fischer wrote: We don't know the times for a non-threaded run (or an -N1 run), so it could be anything from a slowdown to a 4× speedup (but it's likely to be a

Re: [Haskell-cafe] strictness properties of monoidal folds

2011-08-14 Thread Sebastian Fischer
Hello Alexey, sorry for my slow response. On Thu, Aug 4, 2011 at 7:10 AM, Alexey Khudyakov alexey.sklad...@gmail.comwrote: On 02.08.2011 08:16, Sebastian Fischer wrote: Data.Foldable also provides the monoidal fold function foldMap. It is left unspecified whether the elements are