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 Posted: Apr 27, 2012 - 10:48 PM |
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Joined: Feb 15, 2011
Posts: 24
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when I build a program in avr studio 4 it output this
Device: atmega8
Program: 1906 bytes (23.3% Full)
(.text + .data + .bootloader)
Data: 26 bytes (2.5% Full)
(.data + .bss + .noinit)
And when I copy the program to avr studio 5 it output this
Device: atmega8
Program: 2324 bytes (28.4% Full)
(.text + .data + .bootloader)
Data: 26 bytes (2.5% Full)
(.data + .bss + .noinit) |
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Posted: Apr 28, 2012 - 01:58 AM |
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Joined: Nov 17, 2004
Posts: 13815
Location: Vancouver, BC
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| Are you compiling for the same optimization level? Are you linking with the same libraries? |
_________________
Regards,
Steve A.
The Board helps those that help themselves.
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Posted: Apr 28, 2012 - 04:59 PM |
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Joined: Nov 11, 2003
Posts: 3852
Location: Chicago Illinois USA
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| I noticed one of my tiny programs grew 2 bytes going from studio 4 to studio 6. Went back to the original size when I set "Release" rather than "Debug" on the project properties. |
_________________
Discursive design,
Torby
Some days, it's just not worth chewing through the restraints.
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Posted: Apr 28, 2012 - 09:50 PM |
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Joined: Feb 15, 2011
Posts: 24
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I don't Know how to set optimization level
can you guide me |
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Posted: Apr 28, 2012 - 10:39 PM |
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Joined: Mar 27, 2002
Posts: 18527
Location: Lund, Sweden
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Right-click the project node in the Solution Explorer tree, and select Properties.
At the left, select the Toolchain tab.
In the tree view just to the right of the tabs, expand AVR/GNU C node, and select the Optimization node.
In the drop-down Optimization Level, select the desired optimization (-Os recommended if you dont have good reasons for another selection.) |
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