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[K-user] performance of kompile?


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  • From: Robby Findler <robby AT eecs.northwestern.edu>
  • To: k-user AT cs.uiuc.edu
  • Subject: [K-user] performance of kompile?
  • Date: Tue, 25 Sep 2012 12:05:29 -0500
  • List-archive: <http://lists.cs.uiuc.edu/pipermail/k-user/>
  • List-id: <k-user.cs.uiuc.edu>

Hi all:

I'm seeing surprisingly slow performance from 'kompile' when I run
it on a simple file. I think I must have something set up wrong, as
I've watched others use kompile and things have been much more zippy.
Here's specifically what I see, running on a mac os x 1.8 ghz core i7
machine:


$ cat imp.k
module IMP
endmodule
$ time ./k/bin/kompile imp.k

real 0m15.792s
user 0m28.005s
sys 0m0.938s
$


The "k" directory contains an unpacked version of k-latest-stable.tgz
from the k-framework.org website.

When I watch top, I see that about 10 of those 15 seconds are spent in
Java and the rest in maude.

When I try k-latest.tgz, I see the same 10 or so seconds in Java, but
then it cannot find maude. I'm not sure why.

In case it matters:

$ which java
/usr/bin/java
$ java -version
java version "1.6.0_35"
Java(TM) SE Runtime Environment (build 1.6.0_35-b10-428-11M3811)
Java HotSpot(TM) 64-Bit Server VM (build 20.10-b01-428, mixed mode)


Any ideas?

tia,
Robby




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