I ran the viewmat test in J64 on 64 bit Linux with the same results I had with Vista 32. A blank window and BMP with the original viewmat, a good display and BMP after the one line change.
-- David Mitchell David Mitchell wrote: > I don't see any reason not to have J64 and J32 on the same 64 bit OS. > Perhaps > there are configuration issues that will make that difficult, I have not > tried it. > > I suspect that some programs will run faster in J32 than J64. There will be > some programs that will only run in J64 due to 64 bit data or memory > requirements. > > I'll see what results I get with the viewmat test and J64 on 64 bit Linux the > next time I'm at my 64 bit machine. > > -- > All the best, > David Mitchell > > > Roelof K Brouwer wrote: >> This is what I have found out >> J32 will run on my machine and I get the following >> if I don't modify vmrun I get a blank window but J32 does not freeze as >> before with J64 >> if I modify vmrun I get a correct display and a file with the display in it >> that I can copy to word which was my objective >> >> >> PS I have a 64 bit machine with 8 CPU's and 32 GB main memory that I hoped >> to make good use of with a 64 bit J at least. Maybe I have to go from vista >> to linux. Am I losing performance in using 32 bit J? >> cheers >> >> >> Roelof >> >> "Have a cool mind and a warm heart" - Ajahn Sona >> "Like ......(hamsters on a wheel), (ambitious people) still climb and >> climb, with great labor, and incessant anxiety, but never reach the top." >> Robert Browning >> "We shall not cease from exploration. And at the end of all our exploring >> Will be to arrive were we started and know the place for the first time" - >> T. S. Eliot >> >> >> Dr. Roelof K. Brouwer PH.D. P.Eng. >> Professor Emeritus >> Dept. of Computing Science >> School of Advanced Technologies and Mathematics >> Thompson Rivers University >> 900 McGill Road >> Kamloops, BC >> Canada, V2C 5N3 >> >> email : [email protected] >> www.tru.ca/advtech/compsci/faculty/rbrouwer >> >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Devon McCormick >> Sent: December-16-08 10:34 AM >> To: Programming forum >> Subject: Re: [Jprogramming] savemat_jviewmat_ in vista 64 >> >> Can you run J32 on your machine? >> >> On Tue, Dec 16, 2008 at 1:16 PM, Roelof K Brouwer >> <[email protected]>wrote: >> >>> I reinstalled J64 with no change in the problem >>> >>> cheers >>> >>> >>> Roelof >>> >>> "Have a cool mind and a warm heart" - Ajahn Sona >>> "Like ......(hamsters on a wheel), (ambitious people) still climb and >>> climb, with great labor, and incessant anxiety, but never reach the top." >>> Robert Browning >>> "We shall not cease from exploration. And at the end of all our exploring >>> Will be to arrive were we started and know the place for the first time" - >>> T. S. Eliot >>> >>> >>> Dr. Roelof K. Brouwer PH.D. P.Eng. >>> Professor Emeritus >>> Dept. of Computing Science >>> School of Advanced Technologies and Mathematics >>> Thompson Rivers University >>> 900 McGill Road >>> Kamloops, BC >>> Canada, V2C 5N3 >>> >>> email : [email protected] >>> www.tru.ca/advtech/compsci/faculty/rbrouwer >>> >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Devon McCormick >>> Sent: December-16-08 9:19 AM >>> To: Programming forum >>> Subject: Re: [Jprogramming] savemat_jviewmat_ in vista 64 >>> >>> Roelof - this suggests something wrong with your J installation. When I >>> run >>> "test_viewmat" I get the display and the file that matches it. >>> >>> What version are you running? Try >>> 9!:14 '' >>> to get this info. My OS is XP SP-2. >>> >>> I just tried this on a 32-bit Vista machine and it works there. Perhaps >>> it's something with 64-bit? >>> >>> Good luck, >>> >>> Devon >>> >>> On Tue, Dec 16, 2008 at 11:39 AM, Roelof K Brouwer >>> <[email protected]>wrote: >>> >>>> I modified vmrun as suggested >>>> the display is very nice but at the end of it the execution window is >>> dead >>>> and no file appears >>>> I have to kill j.exe through the task manager >>>> >>>> The file that I run consists only of >>>> load 'viewmat color16' >>>> >>>> test_viewmat=:3 : 0 >>>> ( 1 4 14 {". COLOR16) viewmat i.4 4 >>>> savemat_jviewmat_ 'C:\Temp\something.bmp' >>>> ) >>>> >>>> PS at least I get the display but still no save >>>> >>>> cheers >>>> >>>> >>>> Roelof >>>> >>>> "Have a cool mind and a warm heart" - Ajahn Sona >>>> "Like ......(hamsters on a wheel), (ambitious people) still climb and >>>> climb, with great labor, and incessant anxiety, but never reach the >> top." >>>> Robert Browning >>>> "We shall not cease from exploration. And at the end of all our >> exploring >>>> Will be to arrive were we started and know the place for the first time" >>> - >>>> T. S. Eliot >>>> >>>> >>>> Dr. Roelof K. Brouwer PH.D. P.Eng. >>>> Professor Emeritus >>>> Dept. of Computing Science >>>> School of Advanced Technologies and Mathematics >>>> Thompson Rivers University >>>> 900 McGill Road >>>> Kamloops, BC >>>> Canada, V2C 5N3 >>>> >>>> email : [email protected] >>>> www.tru.ca/advtech/compsci/faculty/rbrouwer >>>> >>>> >>>> -----Original Message----- >>>> From: [email protected] >>>> [mailto:[email protected]] On Behalf Of Eric Iverson >>>> Sent: December-16-08 6:20 AM >>>> To: Programming forum >>>> Subject: Re: [Jprogramming] savemat_jviewmat_ >>>> >>>> I just started paying attention to this thread. I experimented enough to >>>> verify that the problem is a gl2 bug. This should work as desired and it >>> is >>>> a bug that it doesn't. The bug is unlikely to be fixed until a future >>>> release. >>>> >>>> I haven't tried it yet, but David's suggested minor code modification to >>>> viewmat is a plausible workaround for the bug. >>>> On Tue, Dec 16, 2008 at 9:12 AM, David Mitchell >>>> <[email protected]>wrote: >>>> >>>>> Perhaps this is too simple or has side effects I haven't encountered, >>> but >>>>> it >>>>> seems to work for me >>>>> >>>>> open'viewmat' >>>>> >>>>> change >>>>> >>>>> NB. ========================================================= >>>>> vmrun=: 4 : 0 >>>>> ... >>>>> wd 'pmovex ',": 0 >. fx,fy,dif + fw,fh >>>>> wd 'pshow' >>>>> >>>>> to >>>>> NB. ========================================================= >>>>> vmrun=: 4 : 0 >>>>> ... >>>>> wd 'pmovex ',": 0 >. fx,fy,dif + fw,fh >>>>> jvm_show '' NB. DM 2008 12 16 >>>>> wd 'pshow' >>>>> >>>>> Save and load viewmat.ijs . >>>>> >>>>> Run test_viewmat'' . On Vista 32, for me, Viewmat now displays >>> correctly >>>>> and >>>>> saves a good BMP. >>>>> >>>>> -- >>>>> Regards, >>>>> David Mitchell >>>>> >>>>> Roelof K Brouwer wrote: >>>>>> Sorry I don't have much of an idea of what you are talking about. >>> That >>>> is >>>>> because I use J mainly as a calculation server for expressing >>> algorithms >>>>> that I develop and execute. Graphic output has been outside my domain >>> so >>>> far >>>>> and I was looking for a simple working way to produce black/white/grey >>>>> graphs of matrices and then saving them in files, without my >>>> intervention, >>>>> at several locations in my verb. The displays saved should be easily >>>>> portable into a word document where I can resize if necessarily. I can >>> do >>>>> this with displays produced with plot ( density graphs ) but viewmat >>>> seemed >>>>> so much nicer. If I used clipboard I would be restricted to one save >>>> unless >>>>> I intervened. >>>>>> cheers >>>>>> >>>>>> >>>>>> Roelof >>>>>> >>>>>> "Have a cool mind and a warm heart" - Ajahn Sona >>>>>> "Like ......(hamsters on a wheel), (ambitious people) still climb >>> and >>>>> climb, with great labor, and incessant anxiety, but never reach the >>> top." >>>>> Robert Browning >>>>>> "We shall not cease from exploration. And at the end of all our >>>> exploring >>>>>> Will be to arrive were we started and know the place for the first >>>> time" >>>>> - T. S. Eliot >>>>>> Dr. Roelof K. Brouwer PH.D. P.Eng. >>>>>> Professor Emeritus >>>>>> Dept. of Computing Science >>>>>> School of Advanced Technologies and Mathematics >>>>>> Thompson Rivers University >>>>>> 900 McGill Road >>>>>> Kamloops, BC >>>>>> Canada, V2C 5N3 >>>>>> >>>>>> email : [email protected] >>>>>> www.tru.ca/advtech/compsci/faculty/rbrouwer >>>>>> >>>>>> >>>>>> -----Original Message----- >>>>>> From: [email protected] [mailto: >>>>> [email protected]] On Behalf Of bill lam >>>>>> Sent: December-15-08 10:43 PM >>>>>> To: [email protected] >>>>>> Subject: Re: [Jprogramming] savemat_jviewmat_ >>>>>> >>>>>> On Sun, 14 Dec 2008, Roelof K Brouwer wrote: >>>>>>> ( 1 4 14 {". COLOR16) viewmat i.4 4 >>>>>>> >>>>>>> savemat_jviewmat_ 'C:\Temp\garbage.bmp' >>>>>> The root of problem is that viewmat is implemented by J gl2 verbs >> and >>>>>> gl2 can only render itself when J is idle. A possible solution is to >>>>>> re-implement viewmat with other libraries. For example, in the >> recent >>>>>> plot, Chris wrote cover verbs using gtk to emulate some J gl2 and >> the >>>>>> plot itself does not need major modification to incorporate gtk >>>>>> backend. Parallel to this, cover verbs using gdiplus can be added >> to >>>>>> viewmat to make it work without gl2 under m$ window. The gdiplus >>>>>> addon is a good starting point. For linux jconsole, I suggest using >>>>>> gtk instead. >>>>>> >> ---------------------------------------------------------------------- >>>>> For information about J forums see http://www.jsoftware.com/forums.htm >>>>> >>>> ---------------------------------------------------------------------- >>>> For information about J forums see http://www.jsoftware.com/forums.htm >>>> >>>> ---------------------------------------------------------------------- >>>> For information about J forums see http://www.jsoftware.com/forums.htm >>>> >>> >>> -- >>> Devon McCormick, CFA >>> ^me^ at acm. >>> org is my >>> preferred e-mail >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >> >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
