60 hours divided by 60 is 2 minutes?
Hi all, I have a 5MB file with about 55 lines that need to be processed by a script. A simple script that deletes a line if the previous line has the same contents. That takes more than 60 hours to complete. So I thought I divide the file into smaller files of about one 60th of the total number of lines. But instead of the expected hour of processing time, it took 2 minutes for each file to complete. I understand processes are faster with less data in memory, but I never would have thought the difference would be this big. Any thoughts on how this is possible and what we can learn from it when making programs? Terry ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
RE: Revolution 2.0 to ship in November
NOVEMBER WHEN? GIVE US AT LEAST THE WEEK IN WHICH REV 2.0 WILL BE AVAILABLE... PRODUCT ANNOUNCEMENT: REVOLUTION 2.0 TO SHIP IN NOVEMBER Latest release with groundbreaking new features is in testing. ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: Revolution 2.0 to ship in November
Piero Menno' wrote: NOVEMBER WHEN? GIVE US AT LEAST THE WEEK IN WHICH REV 2.0 WILL BE AVAILABLE... You haven't shipped much software, have you? :) I would count on the 30th, and then you'll be pleasantly surprised if it's earlier. -- Richard Gaskin Fourth World Media Corporation Custom Software and Web Development for All Major Platforms Developer of WebMerge 2.0: Publish any database on any site ___ [EMAIL PROTECTED] http://www.FourthWorld.com Tel: 323-225-3717 AIM: FourthWorldInc ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: 60 hours divided by 60 is 2 minutes?
On Friday, Oct 25, 2002, at 21:35 Australia/Sydney, MultiCopy Rotterdam-Zuid wrote: Hi all, I have a 5MB file with about 55 lines that need to be processed by a script. A simple script that deletes a line if the previous line has the same contents. That takes more than 60 hours to complete. So I thought I divide the file into smaller files of about one 60th of the total number of lines. But instead of the expected hour of processing time, it took 2 minutes for each file to complete. Terry I am a bit puzzled by your result in the first place. I generated 55 lines with random data which had some chance of duplication in the next line. I then processed it to remove duplicates. The latter task took a whole four seconds. Not two minutes and not 60 hours; for the whole file, not for one sixtieth. Were you using repeat for each? regards David I understand processes are faster with less data in memory, but I never would have thought the difference would be this big. Any thoughts on how this is possible and what we can learn from it when making programs? Terry ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: 60 hours divided by 60 is 2 minutes?
--- MultiCopy Rotterdam-Zuid [EMAIL PROTECTED] wrote: Hi all, I have a 5MB file with about 55 lines that need to be processed by a script. A simple script that deletes a line if the previous line has the same contents. That takes more than 60 hours to complete. So I thought I divide the file into smaller files of about one 60th of the total number of lines. But instead of the expected hour of processing time, it took 2 minutes for each file to complete. I understand processes are faster with less data in memory, but I never would have thought the difference would be this big. Any thoughts on how this is possible and what we can learn from it when making programs? Terry Hi Terry, Though in extreme cases it might have to do with the OS swapping the memory to disk at an incredible rate, I'm more inclined to believe that it might have something to do with the algorithm. Off the top of my head, I'd process it with: function ReadUniqueLinesFromFile pFile put URL pFile into tInput put empty into tPrevLine repeat for each line tLine of tInput if tLine tPrevLine then put tLine return after tOutput put tLine into tPrevLine end if end repeat delete char -1 of tOutput return tOutput end ReadUniqueLinesFromFile And that should work pretty quickly. Hope this helped, Jan Schenkel. = As we grow older, we grow both wiser and more foolish at the same time. (La Rochefoucauld) __ Do you Yahoo!? Y! Web Hosting - Let the expert host your web site http://webhosting.yahoo.com/ ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: 60 hours divided by 60 is 2 minutes?
David Vaughan wrote: I have a 5MB file with about 55 lines that need to be processed by a script. A simple script that deletes a line if the previous line has the same contents. That takes more than 60 hours to complete. So I thought I divide the file into smaller files of about one 60th of the total number of lines. But instead of the expected hour of processing time, it took 2 minutes for each file to complete. Terry I am a bit puzzled by your result in the first place. I generated 55 lines with random data which had some chance of duplication in the next line. I then processed it to remove duplicates. The latter task took a whole four seconds. Not two minutes and not 60 hours; for the whole file, not for one sixtieth. Were you using repeat for each? Also, when it comes to adding or deleting, working with arrays is much faster than with large chunks. Remember that you can use arays and chunks interhangeably with the split and combine commands. -- Richard Gaskin Fourth World Media Corporation Custom Software and Web Development for All Major Platforms Developer of WebMerge 2.0: Publish any database on any site ___ [EMAIL PROTECTED] http://www.FourthWorld.com Tel: 323-225-3717 AIM: FourthWorldInc ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
question about sockets
sorry for my triple post earlier this day, I got some connection probs... I am trying to do some connection stuff using the open socket, write to socket, and accept socket in their datagram form. I run a by connecting to my own Jaguar mac, but I only can get one message through and I really don't know what's wrong... first I open the outgoing socket: open datagram socket to 127.0.0.1:4038|local then I start with listening, the message just writes the socket and the datagram into a field: accept datagram connections on port 4038 with message contact first output comes from the accept command, as it sends the name and identifier of the socket: 191.255.242.136|99184744 finally I send a message: write field text to socket 127.0.0.1:4038|local second output is the name of the socket and my message: 127.0.0.1|99184744 this text is written in field text I know have two open sockets, one from the accept and one from the open port: 4038 127.0.0.1:4038|local but I cannot send a second message, as just nothing happens if I try to do so :( Does it somehow shut close? Is it a bug? Probably just me not getting how things are supposed to work... so could someone enlighten me? Il appreciate it, promised... ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On 28/10/02 10:21 am, Björnke von Gierke [EMAIL PROTECTED] scribed: I am trying to do some connection stuff using the open socket, write to socket, and accept socket in their datagram form. I run a by connecting to my own Jaguar mac, but I only can get one message through and I really don't know what's wrong... first I open the outgoing socket: open datagram socket to 127.0.0.1:4038|local You don't need to open the socket, just use accept datagram alone. You need to do something strange, don't ask me why but I know it works. In your contact handler do the following: on contact fromWho, what -- do all your data stuff stuff here -- OS X fix if the platform the systemversion contains MacOS 10 then close socket 4038 accept datagram connections on port 4038 with message contact end if end contact ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Playing with the imageSource
Hi List, I created a little stack. You might type a text in a field and this Text will create a scroll line like in the old 16Bit (atari) Demos. If you are interested to take a glimpse on it, you might download it at www.derbrill.de/revstack/newfont.rev.bin . Any comments on optimizing the code would be nice. (by the way... Has anyone done some approches on fractals and/or simple 3d graphics in Rev, or can point me to some good tutorials?) Have a nice day! Malte ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On Monday, October 28, 2002, at 03:21 AM, Björnke von Gierke wrote: I am trying to do some connection stuff using the open socket, write to socket, and accept socket in their datagram form. I run a by connecting to my own Jaguar mac, but I only can get one message through and I really don't know what's wrong... There is a bug in Revolution 1.1.1 concerning datagrams. Also there are features in Revolution 2.0 that will require more work. This is based on 10.1.x and I assume it will work the same on Jaguar. In OS X for Revolution 1.1.1 you get a false message when you do the accept and you get only one more. The workaround is two parts: You need to throw away the false message and reopen the accept. The false message is always empty, so if yours is never empty, you can test on that in deciding to throw away a datagram. After you get the real message you need to close the accept and open it again. To be ready for Revolution 2.0, you should also close socket the connectionID you get with the callback and ignore the error. (Or test on version. Or make a note to yourself.) On Revolution 2.0 you will be able to send datagrams back and receive datagrams sent back on that same connection identified by the connectionID in the callback. To support this a connection is opened for you just before the callback. I have heard a rumor of another potential problem that might show up in 2. 0. A Revolutionary made several standalones using the new engine and ran them on the same computer. One sent datagrams to the others. Sometimes one of the others would not receive the datagram until its window was clicked. (I may have added my own confusion to this rumor.) There have been lots of engine changes recently, so this may have been taken care of. Other than these OS X problems which will go away soon, the use of datagrams looks very good on Revolution. Dar Scott ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On Monday, October 28, 2002, at 04:25 AM, Ian Summerfield wrote: first I open the outgoing socket: open datagram socket to 127.0.0.1:4038|local You don't need to open the socket, just use accept datagram alone. I assumed he meant for the sending part of the set up, perhaps in another stack for testing (but maybe on the same card for experimenting). If that is the case, he would need to open the socket. The sender open and the accept open can occur in any order. The accept has to occur before the sender write, of course. A simplification for experimenting: If performance is not an issue and datagrams are not sent that often, the sending handler can simply open-write-close every time, simplifying the first pass of design. Another thing I didn't mention before: I think watching the openSockets() while trying this as Bjornke seems to be doing is a very good idea. Dar Scott ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: Mouse lock
Hi Bruce, Rev 1.1.1 is known to have a few issues with the Appearance Manager that shipped with MacOS X 10.2 Jaguar. Have you tried changing the 'Look and feel' to 'MacOS Emulated' in the menu 'View' ? Hope this helped, OK, that sorta fixes the problem. But the text selection is kind of wonky. Now I have to figure out how to use applescript tell statements ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: 60 hours divided by 60 is 2 minutes?
Any thoughts on how this is possible and what we can learn from it when making programs? Hi Terry, Before dealing specifically with 1 @ 60 hours vs 60 @ 2 minutes, I need to know if you are actually deleting each duplicate line on the fly? Have you tried building a new list instead: functon purgeDuplicates @textData put empty into newData put numToChar(30) into lastLine -- any char not in the first line of textData repeat for each line thisLine in textData if thisLine = lastLine then next repeat put thisLinereturn after newData put thisLine into lastLine end repeat return newData -- or write as a command and put newData into textData end purgeDuplicates I'd be curious to know what algorithm you used and what times the above handler produces. Other things to look at: 1. Is it possible you are maxed out in actual RAM and spending a lot of time reading from/writing to virtual memory? 2. Are you passing the 55K lines of text by value or reference? 3. Have you tried writing your handler inline with the handler that reads in the data so it needn't be passed at all? Eg: put get URL (whatever) into textData put empty into newData put numToChar(30) into lastLine -- any char not in the first line repeat for each line thisLine in textData if thisLine = lastLine then next repeat put thisLinereturn after newData put thisLine into lastLine end repeat put newData into textData instead of put get URL (whatever) into textData put purgeDuplicates(textData) into textData (although if textData is passed by reference, the impact of item three is negligible). -- Rob Cozens CCW, Serendipity Software Company http://www.oenolog.com/who.htm And I, which was two fooles, do so grow three; Who are a little wise, the best fooles bee. from The Triple Foole by John Donne (1572-1631) ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: Converting dates to Padded SQL format
We want to convert April 15, 1998 into 04/15/1998 Aloha Sannyasin, This works for me on Mac OS9 (after setting the system control panel short date format to include century): on mouseup get April 15, 1998 convert it to short system date answer it end mouseup -- Rob Cozens CCW, Serendipity Software Company http://www.oenolog.com/who.htm And I, which was two fooles, do so grow three; Who are a little wise, the best fooles bee. from The Triple Foole by John Donne (1572-1631) ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On Montag, Okt 28, 2002, at 17:08 Europe/Zurich, Dar Scott wrote: There is a bug in Revolution 1.1.1 concerning datagrams. Also there are features in Revolution 2.0 that will require more work. ... To be ready for Revolution 2.0, you should also close socket the connectionID you get with the callback and ignore the error. (Or test on version. Or make a note to yourself.) On Revolution 2.0 you will be able to send datagrams back and receive datagrams sent back on that same connection identified by the connectionID in the callback. To support this a connection is opened for you just before the callback. well It seems that my testing will have to wait until after November or whenever 2.0 ships... Its exactly one of those situations where you cannot use an old version of a program without taking a huge step when the next version ships... If only software where always flawless from the beginning :( ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On Montag, Okt 28, 2002, at 17:08 Europe/Zurich, Dar Scott wrote: There is a bug in Revolution 1.1.1 concerning datagrams. Also there are features in Revolution 2.0 that will require more work. ... To be ready for Revolution 2.0, you should also close socket the connectionID you get with the callback and ignore the error. (Or test on version. Or make a note to yourself.) On Revolution 2.0 you will be able to send datagrams back and receive datagrams sent back on that same connection identified by the connectionID in the callback. To support this a connection is opened for you just before the callback. well It seems that my testing will have to wait until after November or whenever 2.0 ships... Its exactly one of those situations where you cannot use an old version of a program without taking a huge step when the next version ships... If only software where always flawless from the beginning :( ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: question about sockets
On Monday, October 28, 2002, at 03:22 PM, Björnke von Gierke wrote: well It seems that my testing will have to wait until after November or whenever 2.0 ships... Its exactly one of those situations where you cannot use an old version of a program without taking a huge step when the next version ships... If only software where always flawless from the beginning :( The 1.1.1 version works OK on other platforms, so unless you are waiting for the client-server capability in UDP, that is, the ability to send a reply directly back to whomever sent the first datagram, then you can do some testing now. Also, if your messages going back are independent and you know the computer and port beforehand, you are still OK in 1.1.1, just set it up the same as you would the other direction. Dar Scott ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: 60 hours divided by 60 is 2 minutes?
What Rob Cozens, David Vaughan and Jan Schenkel wrote was of course much better than what I wrote in my script. I thought I needed to use repeat with i = 2 to the number of lines... instead of repeat for each, because in a repeat for each loop you cannot see the previous line. But of course you can in the previous loop! I didn't think about that. Thanks. ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
Re: Ask/Answer Problem
Robert Presender heeft op dinsdag, 29 okt 2002 om 05:29 het volgende geschreven: Have a test stack with 1 fld and 1 btn. Btn Script: on mouseUp answer Please enter a name with OK or Yes or Cancel put it into fld 1 end mouseUp on mouseUp ask Please enter a name put it into fld 1 end mouseUp Both of the above scripts work OK in development (Application Overview). A dialog appears, appropriate data entered and the results are put into the field. When the the proj is doubled clicked (Rev not opened), no dialog appears but the result in the field are for each case: 1. answer plain Please enter a name 2. ask plain Please enter a name Hello Robert, Both the answer and ask dialog are part of the Revolution UI, which is not started up when you doubleclick a project with rev not open. So the dialogs don't appear and the contents of 'it' are not filled in by the dialog. I am puzzled why you get the result you get instead of literally it. Solution: start Rev first or make a standalone. I don't think there is an other solution. Terry ___ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
