Reproduction micros

ben bfranchuk at jetnet.ab.ca
Thu Jul 21 22:55:26 CDT 2016


On 7/21/2016 9:34 PM, Guy Sotomayor Jr wrote:
>
>> On Jul 21, 2016, at 6:53 PM, ben <bfranchuk at jetnet.ab.ca> wrote:
>>
>> On 7/20/2016 10:42 AM, Pete Turnbull wrote:
>>> On 20/07/2016 16:44, Paul Koning wrote:
>>>
>>>> It is true that a few RISC architectures are not very scrutable.
>>>> Itanium is a notorious example, as are some VLIW machines.  But many
>>>> RISC machines are much more sane.  MIPS and ARM certainly are no
>>>> problem for any competent assembly language programmer.
>>>
>>> Indeed.  I've written a modest amount of assembly language code for
>>> MIPS, and a bit more for ARM, and I didn't find either at all
>>> inscrutable.  Yes, be aware of pipelining and branches and so on, but
>>> it's not hard.
>>
>> But alas , they seem to change cache and pipeline with every cpu
>> starting with 386. How can one write effective programs for large
>> data memory access, with out this knowledge?
>
> You read the Intel Optimization Guide.
>
> http://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-optimization-manual.html
>
> TTFN - Guy

A read and cuss item I see. Thank you, but it seems it is still big $$$
for good compiler to follow the ever changing rules.
Ben.






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