What is ....

Ben Duncan bns
Sun Feb 12 16:11:27 PST 2006


You are right, Alma. I need to concentrate more or less
on the record locking scheme's. The fact, this is going to
be an interactive system, with occasional batch posting,
makes certain things of a higher priority ...

Thanks ...

Alma J Wetzker wrote:
> Roger Oberholtzer wrote:
> 
>> On Fri, 2006-02-10 at 07:38 -0600, Ben Duncan wrote:
>>
>odifier and decide on
>> their own where to store variables.
>>
>> I doubt a user program can do very much to keep things in the cache.
>> Remember that Linux is multi-tasking OS, so other processes will also
>> use the cache.
>

<SNIP>

> 
> That is certainly true for general applications these days.  Modern 
> compilers can optimize much better than any but the best assembly 
> language programmers.
> 
> However, this semester I am working on embedded processors and DSP 
> implementations on FPGAs.  That is far from what Ben is doing, but still 
> vital stuff for device drivers and other "glue" applications.  DSP in 
> particular, is not a well understood problem so optimizations are often 
> counterproductive in the overall design.  In these cases, you need to go 
> into the generated code and do some tweaking.
> 
> In business applications, all the low level stuff is generally not 
> applicable, except where you can implement an elegant solution because 
> you know.  Those chances are _RARE_.  Studies show that most programmers 
> don't use more that 20% of a language's possibilities anyway, so why 
> implement redundant ways of doing the same thing?
-- 
Ben Duncan   - VersAccounting Software LLC 336 Elton Road  Jackson MS, 39212
"Never attribute to malice, that which can be adequately explained by stupidity"
        - Hanlon's Razor



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