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.
> 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.
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