Hi Akira,
I can reproduce your timing issue; I'm looking into it.
Cheers, Axel.
Akira OKUMURA wrote on 11/16/2009 05:08 PM:
> Hello Axel and Rene,
>
> Thank you for your additional explanation. I'll use Rene's workaround.
>
> Only root.exe holds a high CPU load. Here is a copy&paste of the top
> command on Linux.
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 21955 oxon 19 0 102m 33m 16m S 86.9 0.8 0:21.86 root.exe
> 21962 oxon 16 0 6176 1144 852 R 0.7 0.0 0:00.03 top
> 22687 oxon 16 0 37592 1912 1056 R 0.7 0.0 0:03.24 sshd
>
>> Could you send your macro instrumented with TStopwatch? Are you sure >> you do not print the cumulative time?
>> Hi Akira, >> >> the issue with gPad is a limitation in the coordination between ROOT >> and CINT. ROOT tells CINT about gPad in a special way (because in fact >> it's not a global variable) - but it can currently only do that once >> gPad is != NULL. So the workaround for now is to do what Rene suggested. >> >> You said that the additional run time is caused by some processes >> eating a lot of CPU time. Can you tell us (with the OS's process >> monitors) what these processes are? >> >> Cheers, Axel. >> >> Akira OKUMURA wrote on 11/16/2009 12:04 PM: >>> Hello Rene, >>>> I cannot reproduce your timing problem with ACLIC. I see a constant >>>> time for each execution. >>> I added an instance of TStopwatch in the macro. This is the output. I >>> removed some warnings for TCanvas and TH2D. >>> root [0] .x color.C+ >>> Real time 0:00:02, CP time 0.300 >>> root [1] .x color.C+ >>> Real time 0:00:03, CP time 1.100 >>> root [2] .x color.C+ >>> Real time 0:00:04, CP time 2.550 >>> root [3] .x color.C+ >>> Real time 0:00:06, CP time 4.540 >>> root [4] .x color.C+ >>> Real time 0:00:09, CP time 6.960 >>> I confirmed that this problem happens on both Mac OS X and SL 4.6. I >>> tried 5.25.02 and the current SVN. Configure options for Mac and SL are >>> $ ./configure macosx >>> and >>> $ ./configure --enable-python --enable-pythia6 --with-pythia6-libdir=lib >>> respectively. Can anyone reproduce this? >>>> For the other problem, replace the statement >>>> can->cd(i+1) >>>> by >>>> gPad = can->cd(i+1); >>> Thanks. It works. But actually I know that TPad::cd returns the >>> pointer which should be gPad. I expected that TPad::cd automatically >>> set the gPad to the pointer to the current pad even if I use CINT. >>> This is also explained in the comment of TPad::cd. >>> http://root.cern.ch/root/html/src/TPad.cxx.html#l0kMaE >>> Regards, >>> OKUMURA, Akira oxon_at_juno.phys.s.u-tokyo.ac.jp >>> Department of Physics, The University of Tokyo >>> 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 >>> TEL/FAX +81 3-5841-4173/4059 >>> Skype : okumura.akira >>> On 2009/11/16, at 16:49, Rene Brun wrote: >>>> I cannot reproduce your timing problem with ACLIC. I see a constant >>>> time for each execution. >>>> >>>> For the other problem, replace the statement >>>> can->cd(i+1) >>>> by >>>> gPad = can->cd(i+1); >>>> >>>> Rene Brun >>>> >>>> Akira OKUMURA wrote: >>>>> Hello ROOTers, >>>>> >>>>> I attache a short macro which shows younger students in my lab how >>>>> to use different color palettes. >>>>> >>>>> When I run it using ACLiC, it works as I expected. But I have two >>>>> problems. I still do not know which lines cause this problems. >>>>> >>>>> $ root -n >>>>> root [0] .x color.C+ <= runs properly >>>>> Info in <TUnixSystem::ACLiC>: creating shared library >>>>> /Users/oxon/./color_C.so >>>>> >>>>> $ root -n >>>>> root [0] .x color.C <= fails >>>>> Error: non class,struct,union object $gPad used with . or -> >>>>> color.C:68: >>>>> *** Interpreter error recovered *** >>>>> >>>>> My questions are; >>>>> >>>>> Q1. I do not know why I cannot access gPad when I use CINT. What is >>>>> the problem in my macro? >>>>> >>>>> Q2. The process of root.exe becomes slowly (i.e. high CPU load), >>>>> when I execute the macro with ACLiC many times. What is the reason >>>>> and how can I remove it? >>>>> >>>>> e.g. try >>>>> root [0] .x color.C+ >>>>> root [1] .x color.C+ >>>>> root [2] .x color.C+ >>>>> root [3] .x color.C+ >>>>> root [4] .x color.C+ >>>>> root [5] .x color.C+ >>>>> root [6] .x color.C+ >>>>> ..... >>>>> >>>>> I am using >>>>> - ROOT 5.24.00 + Mac OS X 10.5.8 (intel) >>>>> - ROOT 5.24.00 + SL 4.6 (64 bit) >>>>> >>>>> Thank you in advance. >>>>> >>>>> Regards, >>>>> >>>>> OKUMURA, Akira oxon_at_juno.phys.s.u-tokyo.ac.jp >>>>> Department of Physics, The University of Tokyo >>>>> 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 >>>>> TEL/FAX +81 3-5841-4173/4059 >>>>> Skype : okumura.akira >>>>
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