[chuck-users] SndBuf allocating 2x memory?
Josh Adams
josh at gmail.com
Mon Apr 18 03:02:04 EDT 2011
Hey everybody,
After noticing my test SndBuf programs were eating more memory than I
expected I started looking around on the list and wiki but couldn't find any
relevant discussions. Here's how it goes:
airj:~ josh$ chuck --version
chuck version: 1.2.1.3 (dracula)
exe target: mac os x : universal binary
http://chuck.cs.princeton.edu/
airj:~ josh$ cat tmp/buf.ck
SndBuf b;
"tmp/bigfile.wav" => b.read;
while (1::second => now);
airj:~ josh$ du -sk tmp/bigfile.wav
769308 tmp/bigfile.wav
airj:~ josh$ chuck --loop &
[1] 20706
airj:~ josh$ ps -orss= 20706
4484
airj:~ josh$ chuck + tmp/buf.ck
airj:~ josh$ [chuck](VM): sporking incoming shred: 1 (buf.ck)...
airj:~ josh$ ps -orss= 20706
1531692
airj:~ josh$
Looks like ChucK/SndBuf's resident size is growing a little under 2x the
size of the file I'm trying to buffer. Any ideas?
Cheers,
-josh
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