[Bloat] known buffer sizes on switches

David Collier-Brown davec-b at rogers.com
Wed Nov 28 15:34:53 EST 2018


That would be really cool: I loved the Mips we had at YorkU.ca

--dave

On 2018-11-28 2:02 p.m., Dave Taht wrote:
> I really don't know a whole heck of a lot about where mips is going.
> Certainly they remain strong in the embedded market (I do like the
> edgerouter X a lot), but as for their current direction or future
> product lines, not a clue.
>
> I used to know someone over there, maybe he's restored new directions.
> Last I recall he was busy obsoleting a whole lot of instruction space
> in order to make room for "new stuff". He'd even asked me if adding an
> invsqrt to the instruction set would help, and I sadly replied that
> that bit of codel was totally invisible on a trace.....
>
> I really like(d) mips. ton of registers, better instruction set than
> arm (IMHO), no foolish processor extensions.
>
> On Wed, Nov 28, 2018 at 10:26 AM David Collier-Brown <davec-b at rogers.com> wrote:
>> On 2018-11-28 11:55 a.m., Dave Taht wrote:
>>
>>> Thank you for that. I do have a long standing dream of a single chip
>>> wifi router, with the lowest SNR possible, and the minimum number of
>>> pins coming off of it. I'd settle for 32MB of (static?) ram on chip as
>>> that has proven sufficient to date to drive 802.11n....
>>>
>>> which would let you get rid of both the L2 and L1 cache. That said, I
>>> think the cost of 32MB of on-chip static ram remains a bit high, and
>>> plugging it into a mips cpu, kind of silly. Someday there will be a case
>>> to just doing everything on a single chip, but...
>> I could see 32MB or more of fast memory on-chip as being attractive when
>> one is fighting with diminishing returns in CPU speed and program
>> parallelizability.
>>
>> In the past that might have excited MIPS, but these days less so. Maybe
>> ARM? IBM?
>>
>> --dave
>>
>> --
>> David Collier-Brown,         | Always do right. This will gratify
>> System Programmer and Author | some people and astonish the rest
>> davecb at spamcop.net           |                      -- Mark Twain
>>
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>
>
-- 
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
davecb at spamcop.net           |                      -- Mark Twain

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