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2Gb output limit
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Dear all
I made a code in C++, for data processing.
The code read, processing and write the output several times.
The process abort when the output file get 2Gb fo size.
I know that it is not a disk limit.
Is that a flag mistake on the makefile?
thanks
I made a code in C++, for data processing.
The code read, processing and write the output several times.
The process abort when the output file get 2Gb fo size.
I know that it is not a disk limit.
Is that a flag mistake on the makefile?
thanks
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Join Date: Aug 2005
Posts: 15,348
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what compiler and operating system. It could be a limit of your os and/or compiler. Try your program on a 64-bit os, such as 64-bit XP or Vista and see if that fixes it.
Don't PM me with questions -- you might get a nasty PM in response. If you have a question then post it in one of the forums.
I am using centus 4 and gnu compiler
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Originally Posted by Ancient Dragon 
what compiler and operating system. It could be a limit of your os and/or compiler. Try your program on a 64-bit os, such as 64-bit XP or Vista and see if that fixes it.
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Join Date: Aug 2005
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I don't use those, but I think I read someone say g++ and gcc have an option to produce 64-bit programs.
Don't PM me with questions -- you might get a nasty PM in response. If you have a question then post it in one of the forums.
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Originally Posted by pagu
...
I know that it is not a disk limit.
...
Hope this helps.
I had checked and that is not the case.
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Originally Posted by mad_ivan
Um - it may not be a "disk limit" as in a full disk, but your file system type (ext3 at a guess) probably has a maximum file size.
Hope this helps.
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Join Date: Aug 2007
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You say you process it several times. Do you attempt to read in the full file, process it, add to it, then write a new, larger file? Perhaps showing us pertinent portions of the code would help.
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No.
The data is a large 3d matrix.
Read one line, process this line and write the output line.
each line is like 1megabite of file.
The data is a large 3d matrix.
Read one line, process this line and write the output line.
each line is like 1megabite of file.
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Originally Posted by vmanes
You say you process it several times. Do you attempt to read in the full file, process it, add to it, then write a new, larger file? Perhaps showing us pertinent portions of the code would help.
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Join Date: Aug 2007
Posts: 1,674
Reputation:
Solved Threads: 193
Is it aborting because the OS can't handle the file, or is there a file size counter you're maintaining in the program?
Remember that a signed int has an upper limit of 2GB.
Remember that a signed int has an upper limit of 2GB.
"We Americans got so tired of being thought of as dumb by the rest of the world that we went to the polls last November and removed all doubt."
~~~~~~~~~~~~~~~~~~
Looking for an exciting graduate degree? Robotics and Intelligent Autonomous Systems (RIAS) at SDSM&T See the program brochure here.
~~~~~~~~~~~~~~~~~~
Looking for an exciting graduate degree? Robotics and Intelligent Autonomous Systems (RIAS) at SDSM&T See the program brochure here.
there is not a counter inside the code.
The morery is clened avery type the programa finish to process one line and write its output.
The morery is clened avery type the programa finish to process one line and write its output.
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Originally Posted by vmanes
Is it aborting because the OS can't handle the file, or is there a file size counter you're maintaining in the program?
Remember that a signed int has an upper limit of 2GB.
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