Isaac Dupree wrote:
Iavor Diatchki wrote:
- It uses unsafeDupableInterleaveIO to avoid double locking,
in particular,
gen r = unsafeDupableInterleaveIO
$ do v - unsafeDupableInterleaveIO (genSym r)
ls - gen r
rs - gen r
Peter Hercek wrote:
Hi,
I expected :trace expr to always add data to the trace history but it
does not do so for CAFs (which are not reduced yet).
My point is that the command :trace z did not add anything to the
trace history and I cannot check why value z is 2, because value of y is
not in
Conal Elliott wrote:
Indeed -- many thanks to Bertram, Sterling, Peter others for the
help! I think getting this bug fixed will solve Reactive's mysterious
bugs and unblock its progress.
Ok, we can fix the fairly simple bug that a thread created in blocked mode
blocks throwTos after the
Isaac Dupree wrote:
Bertram Felgenhauer wrote:
Now in fact, IO actions are indistinguishable from pure computations by
the RTS, so this mechanism also makes IO actions resumable, in
principle, if you can access the corresponding thunk somehow. Normally
you can't - there is no reference to that
Isaac Dupree wrote:
therefore mapException is equally buggy!
mapException :: (Exception e1, Exception e2) = (e1 - e2) - a - a
mapException f v = unsafePerformIO (catch (evaluate v)
(\x - throw (f x)))
If it maps an asynchronous exception.. and it's
this machinery well enough to have confidence.
What do you think?
- Conal
On Tue, Jan 6, 2009 at 6:27 AM, Simon Marlow marlo...@gmail.com
mailto:marlo...@gmail.com wrote:
Conal Elliott wrote:
Indeed -- many thanks to Bertram, Sterling, Peter others for
the help! I think
Markus Barenhoff wrote:
On Mon 15.12 09:26, Simon Marlow wrote:
Hello everyone,
a happy new year first of all.
5.0.2 -package old-time-1.0.0.1 -package process-1.0.1.1 -package
template-haskell-2.3.0.0 -package unix-2.3.1.0 -O -Wall
-fno-warn-name-shadowing -fno-warn-orphans -XCPP
Simon Marlow wrote:
Markus Barenhoff wrote:
On Thu 08.01 12:22, Simon Marlow wrote:
Markus Barenhoff wrote:
On Mon 15.12 09:26, Simon Marlow wrote:
Yesterday I updated my sources to the current darcs version. Now the
build works
again, but there still seems to exist a problem with memory
not think about this
much). Now, it is done in a cool functional way which means more
complicated user defined ghci commands ... unless I'm missing something :-)
Thanks,
Peter.
Simon Marlow wrote:
Peter Hercek wrote:
Hi,
I expected :trace expr to always add data to the trace history but
it does
By popular demand, GHC 6.10.2 will support finalizers that are actually
guaranteed to run, and run promptly. There aren't any API changes: this
happens for finalizers created using newForeignPtr as normal.
However, there's a catch. Previously it was possible to call back into
Haskell from a
Heiko Studt wrote:
PPS: Why does your mailinglist not set the Reply-To header?
@Roman Cheplyaka: Sorry for double mailing.
Am 13.01.2009 schrieb Roman Cheplyaka:
| f x y z = a + b*c + b + fun c
| where a = x * y + z
| b = c * fun x
| c = a * b
| fun x = x * x + 1
Johan Tibell wrote:
On Wed, Jan 14, 2009 at 1:14 PM, Simon Marlow marlo...@gmail.com wrote:
By popular demand, GHC 6.10.2 will support finalizers that are actually
guaranteed to run, and run promptly. There aren't any API changes: this
happens for finalizers created using newForeignPtr
Sigbjorn Finne wrote:
Thanks Simon,
great stuff; I like the introduction of these 'native code finalizers',
they've
been sorely missed at times.
You don't say, but will there be a dynamic check to catch such re-entries?
There is (now) a dynamic check, yes.
Cheers,
Simon
Peter Hercek wrote:
Is it possible to load one more module to ghci without unloading the
modules I have already loaded? The module I would like to load in
addtion is not installed and I do not want it installed. It is also
independent of any other modules. There is no dependency from the
Peter Hercek wrote:
Is it possible to run ghci monad actions from ghci command line somehow?
For example: I would like to check whether it variable is of type Bool
and whether it is True using normal Haskell code (i.e. not using ghci
commands starting with colon like :type :print).
There's
This is in uvector, right? Then you should probably forward this to the
maintainer, i.e. Don Stewart d...@galois.com.
Cheers,
Simon
Tyson Whitehead wrote:
I believe the arrays for (Word/Int)(8/16/32) are currently taking eight, four,
and two times, respectively, as much memory as
Peter Hercek wrote:
Hi,
My preliminary search indicated this is new,
but still, should I add this to GHC Trac?
Maybe I just cannot formulate my query well.
See the ghci session log at the end.
Peter.
status:0 pe...@dwarf [715] ~
% ghci
GHCi, version 6.10.1: http://www.haskell.org/ghc/ :?
Patrick LeBoutillier wrote:
I'm trying to make a shared library containing the Haskell runtime,
but no Haskell code per se.
This shared library would then dynamically load other shared libraries
containing conpiled Haskell code.
Here is some pseudo code:
In my_program:
Philip Weaver wrote:
Hello. I think I've seen other people encounter this problem before,
but I wasn't able to find the solution, if there is one.
I have a very large static list of type [[Int]]. It is 128 lists of 128
integers each. When I try to load the module that defines this list, I
I've been working on adding proper Unicode support to Handle I/O in GHC,
and I finally have something that's ready for testing. I've put a patchset
here:
http://www.haskell.org/~simonmar/base-unicode.tar.gz
That is a set of patches against a GHC repo tree: unpack the tarball, and
say 'sh
Hi Peter,
Thanks very much for all the suggestions here. As Simon mentioned, we're
not actively working on the debugger, and speaking for myself I don't plan
to invest significant effort in it in the near future (too many things to
do!). If you felt like working on this yourself, possibly
Remi Turk wrote:
On Sat, Feb 07, 2009 at 12:39:03AM -0500, Brandon S. Allbery KF8NH wrote:
On 2009 Feb 5, at 5:49, Remi Turk wrote:
SPJ agreed with the idea itself, but suggested an alternative set of
commands:
:info Show-- See class definition only
:instances Show -- See
Simon Peyton-Jones wrote:
I'm guessing a bit here, but it looks as if you intend this:
* GHC should read Foo.hs, and see {-# LANGUAGE CPP #-}
* Then it should run cpp
* Then it should look *again* in the result of running cpp,
to see the now-revealed {-# LANGUAGE DeriveDataTypeable #-}
I'm
Remi Turk wrote:
On Tue, Feb 10, 2009 at 01:31:24PM +, Simon Marlow wrote:
Remi Turk wrote:
On Sat, Feb 07, 2009 at 12:39:03AM -0500, Brandon S. Allbery KF8NH wrote:
On 2009 Feb 5, at 5:49, Remi Turk wrote:
SPJ agreed with the idea itself, but suggested an alternative set
of commands
Neil Mitchell wrote:
Hi
However the createProcess command structure has the close_fds flag,
which seems like it should override that behaviour, and therefore this
seems like a bug in createProcess.
close_fds :: Bool
Close all file descriptors except stdin, stdout and stderr
Neil Mitchell wrote:
Hi,
I'm building a DLL using the instructions here:
http://www.haskell.org/ghc/docs/latest/html/users_guide/win32-dlls.html
I must call startupHaskell before I make any calls to Haskell
functions. However, that page doesn't detail any thread safety rules.
In particular:
*
Neil Mitchell wrote:
What is the current status of shared object support within GHC? Using
GHC 6.10.2 (or the branch for it) I can create DLL's under Windows,
following these instructions:
http://www.haskell.org/ghc/docs/latest/html/users_guide/win32-dlls.html
.Can a similar thing be done under
Colin Paul Adams wrote:
Colin == Colin Paul Adams co...@colina.demon.co.uk writes:
Colin I am getting messages: Board_representation.hs:407:0:
Colin Unrecognised pragma
Colin Board_representation.hs:442:0: Unrecognised pragma
Colin Board_representation.hs:458:0: Unrecognised
Peter Hercek wrote:
pepe wrote:
Having (a kind of messy approximation of) a dynamic stack is possible
with a variant of the cost center stacks mechanism used for profiling.
But the downside is that code and libraries would need to be compiled
for debugging.
Is there any info somewhere why the
Duncan Coutts wrote:
On Thu, 2009-02-12 at 10:11 +0100, Christian Maeder wrote:
Duncan Coutts wrote:
On Wed, 2009-02-11 at 15:49 +0100, Lennart Augustsson wrote:
Does this version work from ghci?
-- Lennart
Specifically I believe Lennart is asking about Windows. It's worked in
ghci in
Felix Martini wrote:
Simon Marlow has recently posted a patch that adds Unicode support to
Handle I/O. He mentioned that it didn't work yet on Windows so i was
thinking of looking at the source code to see how the new Unicode
support works and perhaps try to make it work on Windows.
Thanks
Sigbjorn Finne wrote:
Simon Marlow wrote:
Felix Martini wrote:
.
All this is likely trivial to fix but at the same time these little
roadblocks may also explain why few developers on Windows contribute
code to GHC and Haskell.
I haven't tried sync-all on Windows - can anyone help out
Brandon S. Allbery KF8NH wrote:
On 2009 Feb 20, at 4:38, Serge D. Mechveliani wrote:
The first command outputs
-
t = ((a : nil) + (b : nil))
Bug:
substitute {(X, a), (Xs, nil), (Ys, (b : nil))} X:
sort mismatch in substitution
Peter Hercek wrote:
Simon Marlow wrote:
You seem to have a plan for maintaining a dynamic stack for debugging,
perhaps you could flesh out the details in a wiki page, mainly to
ensure that we're discussing the same thing?
Sure, but the plan to maintain an approximate debugging dynamic stack
Malcolm Wallace wrote:
Simon Marlow marlo...@gmail.com wrote:
stdout should be flushed when the program exits, regardless of whether
it exits as a result of a clean exit or an exception. I've just
checked the code, and that's certainly what is supposed to happen.
If anyone has evidence
Claus Reinke wrote:
Here is a trivial example with drastic difference between
T = Int and T = Word (~2.5x here):
main = print $ foldl' (+) 0 [1..1::T]
..
A quick grep shows almost no specialization at all for Word, or for
IntXX/WordXX (see below). Still, none of that seems to
Claus Reinke wrote:
PS. perhaps on newer 64 bit machines, explicitly selecting
32 bits can offer savings? I'd certainly expect selecting
64 bits on a 32 bit machine to lead to slowdowns.
Unlikely, I'd have thought. We implement all the explicitly sized integral
types by zero-extending
Claus Reinke wrote:
its loop unroller on this guy haven't succeeded. -funroll-loops and
-funroll-all-loops doesn't touch it,
That's because the C produced by GHC doesn't look like a loop to GCC.
This can be fixed but given that we are moving away from -fvia-C
anyway, it probably isn't
Peter Hercek wrote:
Hi GHCi users,
I would like to be able to redefine the built-in GHCi commands. The idea
is that when searching for a command the user defined commands would be
searched first and only then the built-in commands would be searched. If
user wants to invoke a built-in
Tuomo Valkonen wrote:
On 2009-03-08, John Meacham j...@repetae.net wrote:
if you follow those steps, but then don't override the host in the
./configure step to just let it pick up the cygwin environment will it
work properly?
John
No:
Configuring
Claus Reinke wrote:
That was one of my questions in the optimization and rewrite rules
thread: shouldn't -fvia-C be supported (as a non-default option)
for at least as long as the alternative isn't a clear win in all cases?
The trouble with supporting multiple backends is that the cost in
I've made a start on sanitising the Windows building instructions, and
generally reoganising the Windows-related stuff in the wiki. Basicalliy my
plan is to:
- Simplify the instructions. In lots of places we have stuff like if you
get the following bizarre error message ... then do this
Tuomo Valkonen wrote:
On 2009-03-09, Tuomo Valkonen tuo...@iki.fi wrote:
On 2009-03-09, Tuomo Valkonen tuo...@iki.fi wrote:
On 2009-03-09, John Meacham j...@repetae.net wrote:
perhaps the most recent non-cabalized ghc build might be worth a try. I
think darcs still compiles with ghc 6.6, but
Ben Lippmeier wrote:
On 12/03/2009, at 12:24 AM, Satnam Singh wrote:
Before making the release I thought it would be an idea to ask people
what other features people would find useful or performance tuning. So
if you have any suggestions please do let us know!
Is it available in a branch
Christian Hoener zu Siederdissen wrote:
when using parMap (or parList and demanding) I see a curious pattern in
CPU usage.
Running parMap rnf fib [1..100] gives the following pattern of used CPUs:
4,3,2,1,4,3,2,1,...
How did you find out which CPU is being used?
The fib function requires
Duncan Coutts wrote:
On Sat, 2009-03-14 at 23:43 -0700, Conal Elliott wrote:
The applicative-numbers package [1] provides an include file. With
ghci, the include file isn't being found, though with cabal+ghc it is
found.
My test source is just two lines:
{-# LANGUAGE CPP #-}
#include
Duncan Coutts wrote:
On Mon, 2009-03-16 at 12:13 +, Simon Marlow wrote:
This sounds like a chicken and egg problem. To know which package
include directories to use GHCi needs to know which packages your module
uses. However to work out which packages it needs it has to load the
module
Philip K.F. Hölzenspies wrote:
It seems that the front page of the developer wiki is rather
out-of-date. Considering that 6.10.2 is now at rc1-stage, I was rather
hoping to find some updated notes on release plans for 6.10.2 and what
will be in 6.12, but those notices are still at 6.8.3 and
Serge D. Mechveliani wrote:
I have tested ghc-6.10.1.20090314 on Debian Linux, i386-unknown,
on
making from source by ghc-6.10.1, making itself from source, DoCon.
It looks all right.
Thanks Serge!
Simon
___
Glasgow-haskell-users mailing
Colin Paul Adams wrote:
I have just downloaded a darcs snapshot, pulled patches and followed
the instructions at
http://hackage.haskell.org/trac/ghc/wiki/Building/QuickStart
When I got to do
make
it didn't work. The tail of the output looks like this:
[55 of 55] Compiling Main (
Gregory Wright wrote:
I built ghc-6.10.1.20090314 on OS X 10.5.6 (Intel) using ghc 6.8.2 as
a bootstrap compiler. The build was done using the MacPorts
infrastructure.
Summary test results:
OVERALL SUMMARY for test run started at Tue Mar 17 15:31:38 EDT 2009
2334 total tests, which
...@earth.li
* MERGED: Rewrite of signal-handling (ghc patch; see also base and unix
patches)
Simon Marlow marlo...@gmail.com**20090219103142
Ignore-this: aca7c3e258224fadc6f0f2fee86b2971
The API is the same (for now). The new implementation has the
capability to define signal handlers
jutaro wrote:
I've installed a GUI application based on gtk2hs.
It frequently crashes with the error:
leksah: error: a C finalizer called back into Haskell.
use Foreign.Concurrent.newForeignPtr for Haskell finalizers.
This error did never occur with the 6.10 released version. It was
Thorkil Naur wrote:
Hello Thomas,
On Wednesday 18 March 2009 15:03, Thomas Schilling wrote:
There should be a file called testlog somewhere, either at the
toplevel or within the tests directory. Could you search for
apirecomp001 and send me the test output from running that test. I
so important to introduce it now? What does it help when it was never
officially supported if it causes such troubles?
Jürgen
Simon Marlow-7 wrote:
jutaro wrote:
I've installed a GUI application based on gtk2hs.
It frequently crashes with the error:
leksah: error: a C finalizer
John O'Donnell wrote:
Hi,
I would like to use the API for ghc, so that a running program can load
a module (Foo.o) and use a function defined in that module. From the
documentation available, it seems like thatś possible, but I can´t
figure out how to do it. There is an example on the wiki,
Robin Green wrote:
On my obscure configuration (GHC 6.10.1, with pkgenv activated, on
Fedora Linux rawhide running on a VirtualBox x86 VM with hardware
virtualisation enabled), running strace on cabal causes it to
misbehave, as described below.
I don't know whether this is due to a bug in
Manuel M T Chakravarty wrote:
jutaro:
This is the first answer I got from the gtk2hs mailing list. Please
consider
this issue seriously.
Well there is a simple fix as Simon Marlow wrote,
The fix is fiarly easy: use Foreign.Concurrent.mkForeignPtr with a
foreign import.
In fact, if as Axel
(thanks to Simon PJ for an excellent summary of the issues)
Lennart Augustsson wrote:
You could imagine a pragma to say which branch is likely.
f p1 = e1
f p2 = {-# LIKELY #-} e2
f p3 = e3
Is there some way to propagate pragmas through core transformations?
I just thought I'd mention the
Claus Reinke wrote:
Strange. I don't think it is my idea (older implementations
used to work that way, and iirc, it also matches what Prolog
systems used to do), and I didn't think it was anything but
straightforward to avoid case transformations unless there
is a clear benefit, so I doubt
AM, Simon Marlow marlo...@gmail.com wrote:
Claus Reinke wrote:
Strange. I don't think it is my idea (older implementations
used to work that way, and iirc, it also matches what Prolog
systems used to do), and I didn't think it was anything but
straightforward to avoid case transformations unless
Lennart Augustsson wrote:
Sorting by constructor tag is perfectly safe when done right.
You can read about how to do it in my 1985 FPCA paper or in Simon's book.
When pattern matching against against things that that are not
constructors (like literals etc) it's much trickier to reorder them
Claus Reinke wrote:
You are right that this doesn't help my performance argument,
as performance issues are outside the language definition (not
observable in the language definition sense). It was merely an answer to
the vehement claims that pattern order is irrelevant.
The order of
Ian Lynagh wrote:
On Wed, Mar 18, 2009 at 06:51:31AM -0400, Gregory Wright wrote:
Unexpected failures:
2469(ghci)
This is
http://hackage.haskell.org/trac/ghc/ticket/2789
(which is fixed in the new build system).
apirecomp001(normal)
This is failing because of
ld: atom
Colin Paul Adams wrote:
Donnie == Donnie Jones don...@darthik.com writes:
Donnie Hello Colin, In my working with GHC, I have found this
Donnie page very helpful since it succinctly outlines the steps
Donnie for Rebuilding GHC and ensuring you are up-to-date with
Donnie
Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
src/Haddock/Backends/Html.hs:1532:4: Ambiguous occurrence
`maybeParen' It could refer to either
`Haddock.Backends.Html.maybeParen', defined at
src/Haddock/Backends/Html.hs:1462:0 or `GHC.maybeParen
Donnie Jones wrote:
Hello Simon and Colin,
This information is available on the Prequisites page of the GHC wiki;
however, it's buried at the bottom of the page. I have updated the
page to mention that a stable release version of GHC is needed when
setting up for Linux and Windows, and I have
Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
6.11.20090319 (formerly bootstrapped from 6.10.1).
Simon Ah, there's your problem. In general you can't bootstrap
Simon GHC using a development snapshot, we only support building
Simon using fixed
Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
Simon Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
6.11.20090319 (formerly bootstrapped from 6.10.1).
Simon Ah, there's your problem. In general you can't
Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
Simon $ ./darcs-all w -s
Only:
== running darcs w -s --repodir .
M ./compiler/ghc.cabal.in -5 +6
M ./compiler/main/DynFlags.hs +4
M ./compiler/main/GHC.hs +1
M ./compiler/main/HscTypes.lhs -1 +1
M ./compiler
Colin Paul Adams wrote:
Simon == Simon Marlow marlo...@gmail.com writes:
Simon Is it possible that you changed the exports of the GHC
Simon module, perhaps? Haddock is complaining about a name class
Simon with maybeParen from the GHC module, but I can't see how
Simon maybeParen
I just noticed that the new 'ghc-pkg check' feature exposes a silly mistake
in the definition of the rts package that we ship with GHC 6.10.2:
$ ghc-pkg check
There are problems in package rts-1.0:
include-dirs: PAPI_INCLUDE_DIR doesn't exist or isn't a directory
...
To fix it, issue this
David Waern wrote:
2009/4/2 Simon Marlow marlo...@gmail.com:
I just noticed that the new 'ghc-pkg check' feature exposes a silly mistake
in the definition of the rts package that we ship with GHC 6.10.2:
$ ghc-pkg check
There are problems in package rts-1.0:
include-dirs: PAPI_INCLUDE_DIR
Christopher Lane Hinson wrote:
I regret that I don't have a simpler failure case, but I'm just going to
post this and please advise me. I don't see how to get debugging
symbols to work to even look at a core dump.
Usually I get a segfault, but sometimes I get this:
_rsagl_modelview:
Manuel M T Chakravarty wrote:
Dave Bayer:
In that paper, they routinely benchmark N-1 cores on an N core Linux
box, because of a noticeable falloff using the last core, which can do
more harm than good. I had confirmed this on my four core Linux box,
but was puzzled that my two core MacBook
Peter Hercek wrote:
Hi,
So I wanted to give implementing :next ghci debugger command a shot. It
looked easy and I could use it. Moreover it would give me an easy way to
implement dynamic stack in ghci (using similar approach as used for
trace) ... well if I would feel like that since I was a
Jason Pepas wrote:
Jason Pepas wrote:
Jason Pepas wrote:
/lusr/bin/ghc -#include cutils.h -DSTAGE=1 -package-name ghc-6.10.1
Um, scratch that. I've apparently become confused as to which release
I was actually building.
-jason
So I've run into a (legitimate) issue with building 6.8.3.
2009/4/20 Neil Mitchell ndmitch...@gmail.com
Hi,
Using one benchmark I have, which doesn't create any threads, I have:
$ benchmark +RTS -Nx
x time (Seconds)
1 2
2 2
3 2
4 3
5 3
6 3
7
2009/4/20 Peter Hercek pher...@gmail.com:
Simon Marlow wrote:
Peter Hercek wrote:
The proposed meaning for :next
Lets mark dynamic stack size at a breakpoint (at which we issue :next) as
breakStackSize and its selected expression as breakSpan. Then :next would
single step till any
2009/4/20 Dave Bayer ba...@cpw.math.columbia.edu:
I ran some longer trials, and noticed a further pattern I wish I could
explain:
I'm comparing the enumeration of the roughly 69 billion atomic lattices on
six atoms, on my four core, 2.4 GHz Q6600 box running OS X, against an eight
core, 2 x
2009/4/21 Don Stewart d...@galois.com:
Little advice and tidbits are creeping out of Simon's head.
Is it time for a parallel performance wiki, where every question that
becomes an FAQ gets documented live?
http://haskell.org/haskellwiki/Performance/Parallel
Maybe put details on the
2009/4/22 Neil Mitchell ndmitch...@gmail.com:
I've got a multi-threaded application which occasionally generates
failures in openFile. I haven't been able to reproduce the errors
reliably, the code is way too large to send over, and any small
attempts at invoking the same problem don't seem to
2009/4/23 Duncan Coutts duncan.cou...@worc.ox.ac.uk:
On Thu, 2009-04-23 at 05:59 -0700, Sigbjorn Finne wrote:
On 4/23/2009 02:05, Duncan Coutts wrote:
On Wed, 2009-04-22 at 18:55 -0700, Sigbjorn Finne wrote:
Hi Ian,
thanks for the update on plans and the willingness to jump in and do
2009/4/22 Felix Martini fmart...@gmail.com:
2009/4/22 Simon Marlow:
You might want to run the process under ProcMon and see if you can
figure out what's going on (if you can bear to use ProcMon, it's a
very poor replacement for strace IMO).
You could try StraceNT instead (not as good
On 25/04/2009 13:31, j.waldmann wrote:
Here is some more data. It seems the behaviour depends on 32/64 bit arch?
###
waldm...@master:~/tmp$ uname -a
Linux master 2.6.18-6-amd64 #1 SMP Fri Dec 12 05:49:32 UTC 2008 x86_64
GNU/Linux
On 27/04/2009 01:28, Sigbjorn Finne wrote:
On 4/25/2009 07:16, Ian Lynagh wrote:
On Fri, Apr 24, 2009 at 11:08:38AM +0100, Simon Marlow wrote:
We do have a WARNING pragma, incedentally:
http://www.haskell.org/ghc/docs/latest/html/users_guide/pragmas.html#warning-deprecated-pragma
I don't
On 29/04/2009 23:48, Philip Hölzenspies wrote:
Dear GHC-ers,
From earlier questions, it seems no one wants to get down and dirty
with linker tricks in ghc. I'm now looking over an alternative solution.
I'm currently trying to use SDL. There's a wrapper on hackage, which
works fine under
On 28/04/2009 17:25, Johannes Waldmann wrote:
Thanks for your comments.
Check whether it is GC-bound by using +RTS -sstderr.
Well yes, it does a lot of GC (there's no way for the compiler
to optimize away the list of primes) because that was the point
of the example: to confirm (or
[ Forwarding on behalf of Horváth Zoltán h...@inf.elte.hu ]
Last call for papers
10th SYMPOSIUM ON TRENDS IN FUNCTIONAL PROGRAMMING
TFP 2009
SELYE JANOS UNIVERSITY, KOMARNO, SLOVAKIA
June 2-4, 2009
http://www.inf.elte.hu/tfp_cefp_2009
*** Submission deadline extended until 10th of May!
On 06/05/2009 17:19, Neil Mitchell wrote:
I've got a program which I'd like to run on multiple threads. If I
compile it with ghc --make -threaded, then run with +RTS -N2 it runs
on 2 cores very nicely.
If however I run it with runhaskell Test.hs +RTS -N2 I get told the
-N2 flag isn't
On 07/05/2009 11:27, Neil Mitchell wrote:
Hi
If however I run it with runhaskell Test.hs +RTS -N2 I get told the
-N2 flag isn't supported. Is there a way to runhaskell a program on
multiple cores? Is this a bug that it doesn't work, a feature request
I'm making, or is there some trick to
On 07/05/2009 11:37, Bulat Ziganshin wrote:
Hello Neil,
Thursday, May 7, 2009, 2:27:34 PM, you wrote:
This is a test framework that spawns system commands. My guess is the
Haskell accounts for a few milliseconds of execution per hour. Running
two system commands in parallel gives a massive
On 07/05/2009 23:58, Duncan Coutts wrote:
Note that for the next ghc release the process library will use a
different implementation of waitForProcess (at least on Unix) so will
not need multiple OS threads to wait for multiple processes
simultaneously.
It will if I ever get it finished...
On 07/05/2009 18:12, Brandon S. Allbery KF8NH wrote:
On May 7, 2009, at 06:27 , Neil Mitchell wrote:
If however I run it with runhaskell Test.hs +RTS -N2 I get told the
-N2 flag isn't supported. Is there a way to runhaskell a program on
As a workaround you could use 'ghc -e main foo.hs +RTS
On 15/05/2009 05:52, Benjamin L.Russell wrote:
What happened to the Windows installation section in the corresponding
User's Guide? The User's Guide for GHC version 6.10.2 (see
http://www.haskell.org/ghc/docs/6.10.2/html/users_guide/index.html)
had section 2.2: Installing on Windows (see
On 15/05/2009 12:19, Benjamin L.Russell wrote:
On Fri, 15 May 2009 09:16:13 +0100, Simon Marlowmarlo...@gmail.com
wrote:
On 15/05/2009 05:52, Benjamin L.Russell wrote:
What happened to the Windows installation section in the corresponding
User's Guide? The User's Guide for GHC version 6.10.2
On 13/05/2009 19:53, Donnie Jones wrote:
Hello Dan,
Best place to ask is glasgow-haskell-users@haskell.org since that is
the GHC users list.
I have CC'd your email to the GHC user list.
Cheers.
--
Donnie Jones
On Wed, May 13, 2009 at 1:35 PM, Dandanielkc...@gmail.com wrote:
Hi,
Not sure if
On 11/05/2009 11:01, Bulat Ziganshin wrote:
Hello glasgow-haskell-users,
it seems that defaultsHook isn't documented on
http://www.haskell.org/ghc/docs/latest/html/users_guide/runtime-control.html#rts-hooks
neither anywhere else in user manual
I think we'd like people to use ghc_rts_opts
On 16/05/2009 19:31, Bulat Ziganshin wrote:
Hello glasgow-haskell-users,
http://www.nongnu.org/cinvoke/faq.html
Is there a good reason to want an alternative to libffi? libffi works
pretty well, and seems to be widely used and supported.
Cheers,
Simon
On 18/05/2009 12:06, Claus Reinke wrote:
I'm not sure I'd want -Wall on by default (though being -Wall clean is
very good). But exhaustive pattern checking might well help out a lot of
people coming from untyped backgrounds.
http://ocaml.janestreet.com/?q=node/64
Ron's also wondering why
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