Robert Killheffer wrote:> I'm testing several different algorithms for performing the same task, and> I'm wondering if there is some way I can tell
- from within each version of> my script - how much memory and CPU time the script uses each time it runs.> > > > I would like to be able
to output this information to a log, so that I can> compare these values for the different scripts across a period of time.> > > > I'd be
grateful for any suggestions.> > > > Thanks,> > Rob K.If you have the cygwin tools on your Win32 box, the ported Unix "time"
command is there which will give you the CPU time and the "resident set size":
time -v dir.......Command being timed: "dir" User time (seconds): 0.03
System time (seconds): 0.01 Percent of CPU this job got: 195% Elapsed (wall
clock) time (h:mm:ss or m:ss): 0:00.02 Average shared text size (kbytes): 0 Average
unshared data size (kbytes): 0 Average stack size (kbytes): 0 Average total size
(kbytes): 0 Maximum resident set size (kbytes): 14160 Average resident set size
(kbytes): 0 Major (requiring I/O) page faults: 885 Minor (reclaiming a frame) page
faults: 0 Voluntary context switches: 0 Involuntary context switches: 0 Swaps: 0
File system inputs: 0 File system outputs: 0 Socket messages sent: 0 Socket
messages received: 0 Signals delivered: 0 Page size (bytes): 4096 Exit status: 0
From the CPU percentage above, I don't think that part is accurate :-) and
memory usage look good . . . This example is a single-processor machine
running XP SP2, YMMV . . . .
Dan
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