[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: distributed octave
|
From: |
Mark P. Esplin |
|
Subject: |
Re: distributed octave |
|
Date: |
Tue, 11 Nov 2003 10:24:14 -0500 |
|
User-agent: |
KMail/1.5 |
I have been looking into setting up a small cluster. How much speed up
has
been possible with the parallel version of octave? I am sure it depends on
the application, but are there some rules of thumb that tell how well it will
perform?
Thanks,
Mark Esplin
On Monday 10 November 2003 11:41 am, Jason Tillett wrote:
> Thank you JD,
>
> You were right. I had not installed gperf.
> Also the header file you attached was required (mine was empty).
>
> Here some other little gotcha that might assist others.
>
> 1. Need to add /usr/local/lib/octave-2.1.45 to /etc/ld.so.conf and run
> ldconfig.
> 2. ./configure of mpi_pil... fails with out-of-box redhat 9 lam-6.5.8-4
> binary rpm.
> 3. I removed the lam binary rpm and installed the redhat lam src rpm but
> the make fails.
> 4. I used lam-7.0.2 from lam-mpi.org. No problem
>
> Thank you very much for your help.
> Jason
> ----- Original Message -----
> From: "JD Cole" <address@hidden>
> To: "Jason Tillett" <address@hidden>
> Cc: <address@hidden>
> Sent: Friday, November 07, 2003 5:13 AM
> Subject: Re: distributed octave
>
> > Jason,
> > I tried recompiling the "pre-patched" source, also under RedHat 9,
> > and succeeded. So here are my thoughts:
> > (1) The build_parallel source tries to apply the patch a specifically
> > dated CVS tree. (I.e. I grab the CVS source ats of a certain date and
> > patch that.) It's possible that there is a problem with my script, or as
> > your inquiry has brought to light, there may be some changes in CVS
> > which have causes a problem. (In the future it would be best if JWE
> > could tag major Octave releases in CVS so they could be used as
> > synchronization points.;-))
> >
> > (2) My best guess as to why you couldn't "make" the pre-patched sources
> > is that you don't have gperf installed (you can get that here:
>
> ftp://rpmfind.net/linux/redhat/9/en/os/i386/RedHat/RPMS/gperf-2.7.2-9.i386.
>r pm
>
> > or, alternatively, it should be on one of your RedHat CDs), ./configure
> > looks for gperf prior to compilation time. Generally the file
> > oct-gperf.h is included in the Octave source, but since I changed
> > octave.gperf, I forgot to add it to my distribution, sorry about that. I
> > have attached the generated file if you would prefer not to install
> > gperf (above).
> >
> > (3) In addition to (2), don't forget to ./configure w/ the --enable-dl
> > and --enable-shared flags. These are key. (I've changed this on the web
> > site, again my apologies.)
> >
> > If this doesn't help, please try to include more details about WHY the
> > make command failed. I'm happy to help out.
> >
> > Best,
> >
> > JDoct
> >
> > Jason Tillett wrote:
> > >Has anyone successfully built a distributed octave binary (for mpi)
> > >using http://www.transientresearch.com/d-octave/index.php?menu=Download
> > >
> > >I am trying to build on Redhat 9.
> > >
> > >I am unable to get the ./build_parallel_sources to complete
> > >and when I try to build the pre-patched source tree I get
> > >through configure but am unable to make.
> > >
> > >thank you
> > >--------------------------------------
>
> ---------------------------------------------------------------------------
>- ----
>
> > /* ANSI-C code produced by gperf version 2.7.2 */
> > /* Command-line: gperf -t -C -D -E -G -L ANSI-C -H octave_kw_hash -N
>
> octave_kw_lookup octave.gperf */
>
> > enum octave_kw_id
> > {
> > all_va_args_kw,
> > break_kw,
> > case_kw,
> > catch_kw,
> > continue_kw,
> > do_kw,
> > else_kw,
> > elseif_kw,
> > end_kw,
> > end_try_catch_kw,
> > end_unwind_protect_kw,
> > endfor_kw,
> > endfunction_kw,
> > endif_kw,
> > endswitch_kw,
> > endwhile_kw,
> > endparallel_kw,
> > for_kw,
> > function_kw,
> > global_kw,
> > gplot_kw,
> > gsplot_kw,
> > if_kw,
> > magic_file_kw,
> > magic_line_kw,
> > otherwise_kw,
> > replot_kw,
> > return_kw,
> > static_kw,
> > switch_kw,
> > try_kw,
> > until_kw,
> > unwind_protect_kw,
> > unwind_protect_cleanup_kw,
> > varargin_kw,
> > varargout_kw,
> > while_kw,
> > parallel_kw,
> > parallelsection_kw
> > };
> >
> > struct octave_kw { const char *name; int tok; octave_kw_id kw_id; };
> > enum
> > {
> > TOTAL_KEYWORDS = 40,
> > MIN_WORD_LENGTH = 2,
> > MAX_WORD_LENGTH = 22,
> > MIN_HASH_VALUE = 2,
> > MAX_HASH_VALUE = 78
> > };
> >
> > /* maximum key range = 77, duplicates = 1 */
> >
> > #ifdef __GNUC__
> > __inline
> > #else
> > #ifdef __cplusplus
> > inline
> > #endif
> > #endif
> > static unsigned int
> > octave_kw_hash (register const char *str, register unsigned int len)
> > {
> > static const unsigned char asso_values[] =
> > {
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 5, 79, 25, 10, 35,
> > 0, 0, 25, 25, 15, 0, 79, 0, 15, 79,
> > 45, 0, 0, 79, 10, 0, 35, 0, 10, 0,
> > 79, 10, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
> > 79, 79, 79, 79, 79, 79
> > };
> > return len + asso_values[(unsigned char)str[len - 1]] +
>
> asso_values[(unsigned char)str[0]];
>
> > }
> >
> > static const struct octave_kw wordlist[] =
> > {
> > {"do", DO, do_kw},
> > {"end", END, end_kw},
> > {"else", ELSE, else_kw},
> > {"while", WHILE, while_kw},
> > {"endwhile", END, endwhile_kw},
> > {"otherwise", OTHERWISE, otherwise_kw},
> > {"break", BREAK, break_kw},
> > {"endfor", END, endfor_kw},
> > {"__FILE__", STRING, magic_file_kw},
> > {"__LINE__", NUM, magic_line_kw},
> > {"until", UNTIL, until_kw},
> > {"switch", SWITCH, switch_kw},
> > {"unwind_protect_cleanup", CLEANUP, unwind_protect_cleanup_kw},
> > {"parallel", PARALLEL, parallel_kw},
> > {"endswitch", END, endswitch_kw},
> > {"endparallel", END, endparallel_kw},
> > {"if", IF, if_kw},
> > {"end_try_catch", END, end_try_catch_kw},
> > {"endif", END, endif_kw},
> > {"elseif", ELSEIF, elseif_kw},
> > {"all_va_args", ALL_VA_ARGS, all_va_args_kw},
> > {"for", FOR, for_kw},
> > {"case", CASE, case_kw},
> > {"static", STATIC, static_kw},
> > {"continue", CONTINUE, continue_kw},
> > {"persistent", STATIC, static_kw},
> > {"global", GLOBAL, global_kw},
> > {"try", TRY, try_kw},
> > {"unwind_protect", UNWIND, unwind_protect_kw},
> > {"replot", PLOT, replot_kw},
> > {"end_unwind_protect", END, end_unwind_protect_kw},
> > {"varargout", VARARGOUT, varargout_kw},
> > {"catch", CATCH, catch_kw},
> > {"endfunction", END, endfunction_kw},
> > {"parallelsection", PARALLELSECTION, parallelsection_kw},
> > {"return", FUNC_RET, return_kw},
> > {"varargin", VARARGIN, varargin_kw},
> > {"gplot", PLOT, gplot_kw},
> > {"gsplot", PLOT, gsplot_kw},
> > {"function", FCN, function_kw}
> > };
> >
> > static const signed char gperf_lookup[] =
> > {
> > -1, -1, 0, 1, 2, 3, -1, -1, 4, 5,
> > -1, -1, -1, -1, -1, 6, 7, -1, -73, -1,
> > 10, 11, 12, 13, 14, -1, 15, 16, 17, -1,
> > 18, 19, -32, -2, -1, -1, 20, -1, 21, 22,
> > -1, 23, -1, 24, -1, 25, 26, -1, 27, 28,
> > -1, 29, -1, 30, 31, 32, 33, -1, -1, -1,
> > 34, 35, -1, 36, -1, 37, 38, -1, -1, -1,
> > -1, -1, -1, -1, -1, -1, -1, -1, 39
> > };
> >
> > #ifdef __GNUC__
> > __inline
> > #endif
> > const struct octave_kw *
> > octave_kw_lookup (register const char *str, register unsigned int len)
> > {
> > if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
> > {
> > register int key = octave_kw_hash (str, len);
> >
> > if (key <= MAX_HASH_VALUE && key >= 0)
> > {
> > register int index = gperf_lookup[key];
> >
> > if (index >= 0)
> > {
> > register const char *s = wordlist[index].name;
> >
> > if (*str == *s && !strcmp (str + 1, s + 1))
> > return &wordlist[index];
> > }
> > else if (index < -TOTAL_KEYWORDS)
> > {
> > register int offset = - 1 - TOTAL_KEYWORDS - index;
> > register const struct octave_kw *wordptr =
>
> &wordlist[TOTAL_KEYWORDS + gperf_lookup[offset]];
>
> > register const struct octave_kw *wordendptr = wordptr
>
> + -gperf_lookup[offset + 1];
>
> > while (wordptr < wordendptr)
> > {
> > register const char *s = wordptr->name;
> >
> > if (*str == *s && !strcmp (str + 1, s + 1))
> > return wordptr;
> > wordptr++;
> > }
> > }
> > }
> > }
> > return 0;
> > }
>
> -------------------------------------------------------------
> Octave is freely available under the terms of the GNU GPL.
>
> Octave's home on the web: http://www.octave.org
> How to fund new projects: http://www.octave.org/funding.html
> Subscription information: http://www.octave.org/archive.html
> -------------------------------------------------------------
-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
-------------------------------------------------------------
Message not available