From maintainers-request at octave dot org Sun Jan 30 01:08:24 2005
Subject: Re: min function very slow?
From: "Dmitri A. Sergatskov" <dmitri at unm dot edu>
To: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
CC: Daniel J Sebald <daniel dot sebald at ieee dot org>, maintainers@octave.org
Date: Sun, 30 Jan 2005 00:10:20 -0700

John W. Eaton wrote:

> in checking whether the symbol needs to be reloaded.  The problem goes
> away for me if I define min and max in separate files (i.e., create
> min.cc and max.cc, each with only one DEFUN_DLD macro) or if I set
> ignore_function_time_stamp = "all" (I'm not sure why setting it to
> "system" fails, even when the min/max functions are installed in a
> "system" directory).

Though ignore_function_time_stamp = "all", I still get mintime consistently
longer then maxtime:

octave:2> [looptime,maxtime,mintime]=mmt(10000)
looptime = 0.046946
maxtime = 0.19471
mintime = 0.22528
octave:3> [looptime,maxtime,mintime]=mmt(10000)
looptime = 0.040380
maxtime = 0.18160
mintime = 22.642
octave:4> ignore_function_time_stamp = "all"
ignore_function_time_stamp = all
octave:5> [looptime,maxtime,mintime]=mmt(10000)
looptime = 0.040041
maxtime = 0.17199
mintime = 0.21179
...
octave:8> [looptime,maxtime,mintime]=mmt(30000)
looptime = 0.10826
maxtime = 0.51337
mintime = 0.61531
octave:9> [looptime,maxtime,mintime]=mmt(300000)
looptime = 0.97805
maxtime = 5.1094
mintime = 6.0628

> 
> jwe
> 

Sincerely,

Dmitri.