Re: [9fans] NUMA

2011-07-16 Thread Joel C. Salomon
On 07/16/2011 04:02 AM, tlaro...@polynum.com wrote: > What is the minimal hints the programmer shall give? At least > predicativity. I wonder what minimum set of keywords could be added, > say, to C, so that the situation can be greatly improved without the > burden being greatly increased. [non-pr

Re: [9fans] NUMA

2011-07-16 Thread erik quanstrom
On Sat Jul 16 18:07:28 EDT 2011, fors...@terzarima.net wrote: > > to the actual hardware, then you need to write new compilers and > > recompile everything every few years. > > you do anyway. i don't think i've used a distribution yet > where the upgrade doesn't include completely-recompiled versi

Re: [9fans] NUMA

2011-07-16 Thread Charles Forsyth
> to the actual hardware, then you need to write new compilers and > recompile everything every few years. you do anyway. i don't think i've used a distribution yet where the upgrade doesn't include completely-recompiled versions of everything.

Re: [9fans] novel userspace paradigms introduced by plan 9

2011-07-16 Thread simon softnet
If it wasn't for this cancerous web applications ordeal, I would be happy with OpenBSD & rio, and maybe with pure Plan 9 in the future .. Simon On Sat, Jul 16, 2011 at 9:32 PM, Ethan Grammatikidis wrote: > On Sat, 16 Jul 2011 21:17:14 +0200 > simon softnet wrote: > > > Because it's more likely

Re: [9fans] NUMA

2011-07-16 Thread dexen deVries
On Saturday 16 July 2011 21:54:33 erik quanstrom wrote: > it's interesting you bring this up. risc has largely been removed > from architectures. if you tie the instruction set and machine model > to the actual hardware, then you need to write new compilers and > recompile everything every few ye

Re: [9fans] NUMA

2011-07-16 Thread erik quanstrom
> If RISC has succeeded, this is precisely because the elements were > simple enough to be implemented in hardware, and this simplicity allowed > to work reliably on optimizations. it's interesting you bring this up. risc has largely been removed from architectures. if you tie the instruction se

Re: [9fans] novel userspace paradigms introduced by plan 9

2011-07-16 Thread Ethan Grammatikidis
On Sat, 16 Jul 2011 21:17:14 +0200 simon softnet wrote: > Because it's more likely that users will settle with linux+some plan 9 > features > instead of with pure plan 9 Most of us have to anyway. For now... > > Simon > > On Sat, Jul 16, 2011 at 9:12 PM, David Leimbach wrote: > > > I don't

Re: [9fans] NUMA

2011-07-16 Thread Ethan Grammatikidis
On Sat, 16 Jul 2011 20:06:27 +0200 tlaro...@polynum.com wrote: > There is an english expression, IIRC: penny wise and pound fool. Very close: penny wise and pound foolish. (Possibly capitalise Pound to be correct.) I had not heard this expression for years. Now you've reminded me of it, I won

Re: [9fans] novel userspace paradigms introduced by plan 9

2011-07-16 Thread simon softnet
Because it's more likely that users will settle with linux+some plan 9 features instead of with pure plan 9 Simon On Sat, Jul 16, 2011 at 9:12 PM, David Leimbach wrote: > I don't see why anyone combining ideas from Plan 9 into Linux hurts > Plan 9 as long as Plan 9 continues to exist. > > On Sa

Re: [9fans] novel userspace paradigms introduced by plan 9

2011-07-16 Thread David Leimbach
I don't see why anyone combining ideas from Plan 9 into Linux hurts Plan 9 as long as Plan 9 continues to exist. On Saturday, July 16, 2011, simon softnet wrote: > Please, don't let plan 9 and linux be interrelated in the future in any way > ...Future plan 9 users have the opportunity to experie

Re: [9fans] NUMA

2011-07-16 Thread tlaronde
On Sat, Jul 16, 2011 at 12:27:14PM -0400, erik quanstrom wrote: > > The Itanium story, as guessed early by Hennessy and Patterson in > > "Computer Architecture", shows that efficiency relying on too > > complex knowledge, asking too much to the programmers and the > > compilers, is likely to fail.

Re: [9fans] NUMA

2011-07-16 Thread erik quanstrom
> The Itanium story, as guessed early by Hennessy and Patterson in > "Computer Architecture", shows that efficiency relying on too > complex knowledge, asking too much to the programmers and the > compilers, is likely to fail. another way of looking at itanium is that it's like a multicore process

Re: [9fans] novel userspace paradigms introduced by plan 9

2011-07-16 Thread simon softnet
Please, don't let plan 9 and linux be interrelated in the future in any way ... Future plan 9 users have the opportunity to experience novel user-space paradigms. Why do they have to be sucked into the linux world? Simon On Mon, Jul 4, 2011 at 4:59 PM, Robert Seaton wrote: > > one might find ht

Re: [9fans] NUMA

2011-07-16 Thread tlaronde
On Fri, Jul 15, 2011 at 01:47:40PM -0700, ron minnich wrote: > http://supertech.csail.mit.edu/porch/ > > long ago, but I saw it checkpoint between x86 and sparc. Thanks for the pointer! At least it shows that it is always useful to write down the "axiomatics" of one code, since making explicit t