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  Topic: ROM, RAM and optimiser...
TorAtle

Replies: 10
Views: 20897

PostForum: General CCS C Discussion   Posted: Tue May 04, 2004 9:01 am   Subject: ROM, RAM and optimiser...
http://home.c2i.net/toratlel/opt

Get opt.exe and save it in your project folder. To use the Count & Sort method, you will also need grep.exe and wc.exe, so download these too.

Grep.exe, wc.e ...
  Topic: ROM, RAM and optimiser...
TorAtle

Replies: 10
Views: 20897

PostForum: General CCS C Discussion   Posted: Tue May 04, 2004 6:03 am   Subject: ROM, RAM and optimiser...
I have implemented the other 2 approaches I mentioned:

1) Count & sort - very good. Did better in my case than the flawed BruteForce method by 4 bytes...
2) Random - I won't say "better" or "w ...
  Topic: ROM, RAM and optimiser...
TorAtle

Replies: 10
Views: 20897

PostForum: General CCS C Discussion   Posted: Mon May 03, 2004 6:34 pm   Subject: ROM, RAM and optimiser...
Sorry for failing to log in before my last post (above).

The utility I mentioned is now finished. First of all - the algorithm was flawed Embarassed. It didn't go through all the combinations, not even ...
  Topic: ROM, RAM and optimiser...
TorAtle

Replies: 10
Views: 20897

PostForum: General CCS C Discussion   Posted: Mon May 03, 2004 8:26 am   Subject: ROM, RAM and optimiser...
Not very easy to see, as the addresses at the beginning of each line differs from a certain point and thus makes everything after that point "different".

I have 5 int16 arrays (none of them large). ...
  Topic: ROM, RAM and optimiser...
TorAtle

Replies: 10
Views: 20897

PostForum: General CCS C Discussion   Posted: Mon May 03, 2004 7:07 am   Subject: ROM, RAM and optimiser...
PIC16F877.

Question: when near the limits of RAM usage, why does ROM start to suffer? I am trying to understand what the optimiser is thinking. Scenario:

ROM=7361, RAM worst case=276

Introduc ...
 
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