Apparently starting the server with swank-clojure-project does not
work, but starting it with "lein swank" and then connecting from Emacs
works. Perhaps this is a problem with launching from inside Emacs.
Either way, I now have something of a work around.
Brad
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You received this message becau
I've traced my hang issue down to these lines in NGServer
synchronized(System.in) {
if (!(System.in instanceof ThreadLocalInputStream)) {
System.setIn(new ThreadLocalInputStream(in));
System.setO
Hi guys,
I am running Clojure on OS X Snow Leopard, 64bit, Java 1.6. I've been
developing a little app using Lein, Swank and Emacs, and now I am
having trouble getting Nailgun to work properly.
I'm not in front of my usual PC right now so I may get a few things
wrong; but here is what I know.
- M
Just donated. Thank you very much for Clojure, and I hope that this
funding model works out for everybody!
Cheers,
Brad
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Note that posts fro
On Aug 20, 8:26 am, Stuart Sierra wrote:
> Seems like opinion is pretty evenly divided here. I'll leave the
> library as-is for now, give it some time to see how things play out.
>
> In the mean time, as a compromise, I've added str-utils2/partial,
> which is like clojure.core/partial for functi
On Aug 17, 1:32 am, Nicolas Oury wrote:
> I was referring to the rules of the benchmark game. When you benchmark
> language, using another language is not fair.
>
> If you were to do your own program, of course you could use Java.
> However, in the particular circumstance, it is a bit annoying to
>
> Why can't we write programs in Clojure and
> drop down to Java if necessary?
That's what I find funny about these threads, Clojure's Java interop
is good, Java is easy to write performant code in. There is a clear
path to getting the best JVM performance possible from a Clojure
environment.
On Aug 13, 3:43 pm, Daniel Lyons wrote:
> On Aug 13, 2009, at 3:35 PM, Bradbev wrote:
>
>
>
>
>
> > What is the main point of reader macros? Is it so you can define your
> > own short-hand syntax, or is it the ability to get more direct access
> > to the
What is the main point of reader macros? Is it so you can define your
own short-hand syntax, or is it the ability to get more direct access
to the reader?
If it is the first point, then I'd be happy to not have them - to me
shorthand doesn't buy much.
If it is the second point then why not simply
On Jul 28, 7:47 pm, Andy Fingerhut
wrote:
> I have added a script that uses the Java version of the benchmark
> programs to generate the large files that were in the distribution
> file I gave a link to earlier, so it is much smaller. I've also
> published it on github and added a COPYING file t
On Aug 11, 10:15 pm, Abhishek Reddy wrote:
> Hi Brad,
>
> I saw your question on IRC the other day and came up with
> this:http://gist.github.com/164652
>
> That demo creates a frame with sliders that control the horizontal and
> vertical position of a spot in a panel.
>
> It's certanly not the
I'll admit that I haven't done much GUI programming at all, but I'm
finding that I want to throw together small simple Gui apps with
Clojure. My problem is that every way I try to build my app, it feels
wrong (ugly, over complex, etc). My current least-ugly solution is to
share a ref between the
On Aug 9, 6:08 am, Nicolas Oury wrote:
> > If I do my pmaptest with a very large Integer (inc 20) instead
> > of (inc 0), it is as slow as the double version. My question is,
> > whether Clojure may has a special handling for small integers? Like
> > using primitives for small ints and do
> I'm not sure how to determine why calling 'new Double' each time
> through NewDoubleTest's inner loop causes 2 threads to perform not
> much better than 1. The best possible explanation I've heard is from
> Nicolas Oury -- perhaps we are measuring the bandwidth from cache to
> main memory, not
On Aug 6, 3:07 am, Andy Fingerhut
wrote:
> On Aug 5, 6:09 am, Rich Hickey wrote:
>
>
>
> > On Wed, Aug 5, 2009 at 8:29 AM, Johann Kraus wrote:
>
> > >> Could it be that your CPU has a single floating-point unit shared by 4
> > >> cores on a single die, and thus only 2 floating-point units total
o:http://wikis.sun.com/display/HotSpotInternals/Home
>
>
>
> On Thu, Jul 16, 2009 at 5:39 AM, Bradbev wrote:
>
> > I see lots of discussion on this list about Clojure performance & how
> > to get it to Java speed. I am also interested in the next steps that
> >
I see lots of discussion on this list about Clojure performance & how
to get it to Java speed. I am also interested in the next steps that
happen, how does the JVM convert byte code down to machine code and
how does one examine that?
The profiling tools I use for C code let me look at what the co
On Jul 7, 6:23 am, Jon Harrop wrote:
> On Tuesday 07 July 2009 02:08:57 Bradbev wrote:
>
> > On Jul 6, 4:30 pm, fft1976 wrote:
> > > On Jul 5, 11:42 pm, Bradbev wrote:
> > > > more to modern x86 chips. After you have the best algorithm for the
> > &g
On Jul 6, 4:30 pm, fft1976 wrote:
> On Jul 5, 11:42 pm, Bradbev wrote:
>
> > more to modern x86 chips. After you have the best algorithm for the
> > job, you very quickly find that going fast is entirely bound by memory
> > speed (actually latency) - cache misse
On Jul 5, 3:18 am, fft1976 wrote:
> On Jul 5, 2:31 am, Nicolas Oury wrote:
>
> > After, when I run the benchmark in -server with a big enough CacheCode area
> > (1000m), and enough iterations to have everything JITed, I get more than
> > 860.000 iterations per second. (I benchmarked 100 000 000
A further optimization would be to keep track of the lowest value in
your "keep" set. A simple compare against that value will eliminate
many of the add/removes from the keep set.
Brad
On Jun 23, 1:35 am, Christophe Grand wrote:
> On Tue, Jun 23, 2009 at 10:14 AM, Daniel Lyons wrote:
>
> > I
On May 7, 9:26 am, Meikel Brandmeyer wrote:
> Hi,
>
> Am 07.05.2009 um 17:19 schrieb Bradbev:
>
> > This also leads me to think that it would be useful to have a function
> > that precached a lazy seq, ie
> > (pre-cache-seq 5 (range 1000)); returns a new lazy-seq
I have a 25Mb CSV text file that I want to process. Simply running
(time (dorun (read-lines "file"))) gives me about 1 second of read
time, which is about as fast as you'll get (on my machine) I think.
I believe that it should be possible to overlap the IO cost of reading
from a file with process
On Apr 28, 10:45 am, Meikel Brandmeyer wrote:
> Hi,
>
> Am 28.04.2009 um 19:01 schrieb Bradbev:
>
> > Is it a good idea for line-seq to close its BufferedReader when there
> > is no more data? Or at least provide an optional parameter that
> > allows/disallows cl
you from reading all the lines, the Reader
> remains open.
>
> -Stuart Sierra
I should have known contrib would have had something. I need to read
the contrib sources more. Thanks!
Brad
>
> On Apr 28, 1:01 pm, Bradbev wrote:
>
> > Hello,
> > I want to use line-seq, a
Hello,
I want to use line-seq, and have it close the input reader.
My first attempt was
(with-open [stream (BufferedReader.)]
(line-seq stream))
Which crashes immediately because you can't read lines from a closed
seq. So, the only way to explicitly close the reader associated with
line-seq is to
On Apr 20, 2:17 pm, Mark Engelberg wrote:
> On Mon, Apr 20, 2009 at 1:27 PM, Bradbev wrote:
> > If you promise that
> > functions will accept and return maps with certain keys, then you must
> > keep that promise moving forward.
>
> I think you're missing part o
I read the rest of this thread, and thought I'd throw in my two cents.
It seems to me that you are mostly concerned with being able to
provide a stable external API to clients while allowing the internal
data structures to change. As a library designer you need to choose
which parts of your API a
different file? Would one have to resort to defining a
> Java class (at compile time or runtime)?
>
> Paul
>
> On Thu, Apr 2, 2009 at 10:47 AM, Bradbev wrote:
>
> > It would seem that macros in this case should not be required. A
> > normal function that simply ret
It would seem that macros in this case should not be required. A
normal function that simply returns a constant should get inlined by
the JIT.
Cheers,
Brad
On Apr 2, 5:20 am, Dmitri wrote:
> Thanks a lot, that's really helpful. I never thought of using a macro
> to define constants
> like that
On Mar 24, 5:56 am, cliffc wrote:
> Some generic STM bits of wisdom:
>
> - STMs in "standard" languages (e.g. C, C++) suffer from having to
> track all memory references. THis overhead means the STM code
> typically starts 3x to 10x slower than non-STM code, which is a pretty
> stiff penalty t
Is the clojure-contrib portion of Clojure meant to act as a package
system like Cabel, CPAN, etc? I suspect not. Clojure-contrib is more
like the standard library that comes with Clojure. I think that going
forward, Clojure is going to want to have a large and easily
accessible library of packa
I'm writing a program that will have millions of small structures in
it. If I were writing in C (or Java I guess), I estimate the object
size to be about 40 bytes. In Clojure, using a struct map I've made a
rough measure & I think that the objects are weighing in at about
200bytes.
1) I know th
On Mar 3, 4:46 am, Korny Sietsma wrote:
> Hi folks;
>
> I have an intermittent problem that's driving me nuts.
> I'm running the emacs-starter-kit setup for editing clojure, recently
> updated from git, and when I first run "M-x slime", I often get the
> following messages:
> user=> user=> java.l
On Mar 2, 3:29 am, Mark Volkmann wrote:
> On Sun, Mar 1, 2009 at 11:06 PM, max3000 wrote:
>
> > Hi,
>
> > I find the laziness in clojure very hard to wrap my head around. I
> > understand the idea and it's probably nice in theory. However, in real
> > life it doesn't seem really useful beyond ha
namespace that uses all my files should do the
trick. Thanks, I'll try that out.
> On Mon, Feb 9, 2009 at 8:05 AM, Bradbev wrote:
>
> > Hi folks,
> > I'm getting to the stage on a Clojure project that I want to start
> > breaking the code into multiple fi
Hi folks,
I'm getting to the stage on a Clojure project that I want to start
breaking the code into multiple files. My primary environment is
Emacs & Slime and interactive development. Is there a standard way
for me to load all of my project's files into the running VM?
Right now I manually go t
On Feb 1, 5:22 pm, David Nolen wrote:
> I've changed the name of my project since that was a joke
> anyway.http://github.com/swannodette/spinoza/tree/master
>
> Spinoza isn't just for people who want object oriented behaviors. It's also
> for anyone who plans on instantiating many structs. Spi
On Dec 15, 4:29 pm, Rich Hickey wrote:
> On Dec 15, 5:57 pm, Bradbev wrote:
Thanks for the quick reply. Very helpful.
Cheers,
Brad
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You received this message because you are subscribed to the Google Groups
"Clojure" grou
I have the following scenario:
- a server that is listening on a socket for incoming connections.
- when the server accepts a connection it uses send-off to run a
handler function to handle the connection
- the handler function loops using recur to handle packets
- the handler function uses
On Nov 24, 4:44 pm, Rich Hickey <[EMAIL PROTECTED]> wrote:
> On Nov 24, 7:22 pm, dokondr <[EMAIL PROTECTED]> wrote:
>
> > Providing that Clojure is NOT a pure functional language like Haskell,
> > yet how can I isolate imperative-style computational structures from
> > the main body of the functi
Here is a small change to assert that allows it to take an optional
message that will part of the exception that is thrown.
Cheers
Brad
Index: src/clj/clojure/core.clj
===
--- src/clj/clojure/core.clj(revision 1102)
+++ src/clj/
On Nov 17, 3:50 pm, Adam Jones <[EMAIL PROTECTED]> wrote:
> On Nov 17, 3:26 pm, Robert Ewald <[EMAIL PROTECTED]> wrote:
>
> > Hello,
>
> > Doing some small experiments I stumbled over map returning a lazy seq
> > instead
> > of performing the function. I had to convert that to a doseq. Is there
I thought up an interesting issue the other night. If you map a
function over a seq of refs, then change the refs & look at the map
return value (which will convert it from lazy to ...? Hmm, what's the
word - motivated?) then you will get the current value of the refs.
The example code is
(def
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