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03/05/09 17:57
Modified:
  03/05/09 17:58
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 		 #163104 - Did you actually look?
Responding to: ???'s previous message
at the links provided?

List of 76 messages in thread
TopicAuthorDate
NXP P89LPC936 Auxilary RAM            01/01/70 00:00      
   Compiler Cannot Save the Day At Runtime            01/01/70 00:00      
      I found it.....            01/01/70 00:00      
         Incorrect!            01/01/70 00:00      
            To be fair,...            01/01/70 00:00      
               Its good info to know...            01/01/70 00:00      
   how is it done in C?            01/01/70 00:00      
   Maybe you should try doing it ASM!            01/01/70 00:00      
      You should start a new thread on that!            01/01/70 00:00      
      Not in this case!            01/01/70 00:00      
         A compiler should support ALL MCU features ...            01/01/70 00:00      
            A compiler should translate the language            01/01/70 00:00      
               Still C - just not strict.            01/01/70 00:00      
            I didn't say that!            01/01/70 00:00      
               It is not that clean and clear            01/01/70 00:00      
                  Deviants are deviant            01/01/70 00:00      
                     Keil and SDCC need no macros ...            01/01/70 00:00      
                        Are you sure?            01/01/70 00:00      
                     That's probably correct, but ...            01/01/70 00:00      
                        A C compiler can map the hardware quite well            01/01/70 00:00      
                           compiler vendors are looking at the new processors            01/01/70 00:00      
                              I once mentioned that ...            01/01/70 00:00      
                           It's not what I'd choose, but it is a matter of perefernce            01/01/70 00:00      
                              As flash gets bigger, the code steps do too.            01/01/70 00:00      
                              Still not needed for other architectures            01/01/70 00:00      
                                 We will have to agree to disagree ... I guess            01/01/70 00:00      
                                    Which single-clocker is cheaper than an ARM?            01/01/70 00:00      
                                       RE: Which single-clocker is cheaper than an ARM?            01/01/70 00:00      
                                       differs considerably from the classic microcontroller?            01/01/70 00:00      
                                       Horses for courses            01/01/70 00:00      
                                          Always start each project by scanning the market            01/01/70 00:00      
                                             On that we can agree            01/01/70 00:00      
                                          Maybe, but what are they comparing?            01/01/70 00:00      
                                             Did you actually look?            01/01/70 00:00      
                                                Yes, I did.            01/01/70 00:00      
                                       it's a tradeoff            01/01/70 00:00      
                                          Is it 2006 already?            01/01/70 00:00      
                                             Really?            01/01/70 00:00      
                                                that's outright silly            01/01/70 00:00      
                                                   Maybe ... which is why it is not yet the case            01/01/70 00:00      
                                                      the eyes of the beholder            01/01/70 00:00      
                                                         Look at it from another viewpoint for a moment            01/01/70 00:00      
                                          RE: I'm not the one to ask about IC prices            01/01/70 00:00      
                                             doesn't mean I'm totally in the dark            01/01/70 00:00      
                                                Richard Erlacher has left the planet            01/01/70 00:00      
                                                   Maybe Andy's the one who's lost            01/01/70 00:00      
                                                      I cannot believe you even looked at ARM            01/01/70 00:00      
                                                         It's all relative            01/01/70 00:00      
                                                            Price doesn't directly follow processor size            01/01/70 00:00      
                                                            What about performance?            01/01/70 00:00      
                                                         Be specific please.            01/01/70 00:00      
                                                            You can use your own supplier            01/01/70 00:00      
                                                               Your test simulates as 41.04us            01/01/70 00:00      
                                                                  RE: ARM compiles do not like byte-addressing            01/01/70 00:00      
                                                                     A typo on my part            01/01/70 00:00      
                                                                        Case of full unroll            01/01/70 00:00      
                                                                           ... and what does THAT ARM MCU cost?            01/01/70 00:00      
                                                                              WHO CARES            01/01/70 00:00      
                                                                                 Absolutely true!            01/01/70 00:00      
                                                                              $5 or lower            01/01/70 00:00      
                                                                                 My Simulation times were wrong.            01/01/70 00:00      
                                                                                    67% of your loop was your loop            01/01/70 00:00      
                                                                                    re-written the loop in C            01/01/70 00:00      
                                                                                       Try without loop counter            01/01/70 00:00      
                                                                                          You're right!            01/01/70 00:00      
                                                                                             Similar trick with ARM7 would require 66.67MHz            01/01/70 00:00      
                                                                                             60ns with no store instruction.            01/01/70 00:00      
                                                                                                25% speedup            01/01/70 00:00      
                                                                                                   Actually, I found the for loop faster.            01/01/70 00:00      
                                                                                                      Compiler setting?            01/01/70 00:00      
                                                                                                         I made NO optimisation            01/01/70 00:00      
                                                                                                            Avoid variable aliasing if you like high optimization levels            01/01/70 00:00      
                                                                                                               The RealView compiler is very competent            01/01/70 00:00      
                                                                                                                  Yes, caching            01/01/70 00:00      
                                                                                                                  Yes, caching            01/01/70 00:00      
                                                                                                It's much easier with the 8-bit single-clocker            01/01/70 00:00      

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