On Wed Jan 14 05:12:07 EST 2009, nadiasver...@gmail.com wrote:
> On Jan 12, 10:42 am, quans...@quanstro.net (erik quanstrom) wrote:
> > > [...] Many architectures get register
> > > windows wrong, but the Itanium has a variable-length register fill/
> > > spill engine that gets invoked automaticall
> However, in general what Itanium does is not a win since in
> practice most functions do not need local storage (even if
> written in a language richer than C!).
That's not true. .dlls are the primary use case for this. If a .dll
has it's own local memory and local allocator, this is a big,
On Jan 12, 10:42 am, quans...@quanstro.net (erik quanstrom) wrote:
> > [...] Many architectures get register
> > windows wrong, but the Itanium has a variable-length register fill/
> > spill engine that gets invoked automatically. Of course, you can
> > program the engine too.
>
> what's the advan
On Mon, 12 Jan 2009 10:36:37 EST erik quanstrom wrote:
> how do you get around the fact that the parallelism
> is limited by the instruction set and the fact that one
> slow sub-instruction could stall the whole instruction?
>
> > The hardware also has built-in support for closures. Every funct
> [...] Many architectures get register
> windows wrong, but the Itanium has a variable-length register fill/
> spill engine that gets invoked automatically. Of course, you can
> program the engine too.
what's the advantage of this over the stanford style?
>I also REALLY like predicated instruct
On Jan 8, 9:02 am, quans...@quanstro.net (erik quanstrom) wrote:
> On Thu Jan 8 05:11:37 EST 2009, nadiasver...@gmail.com wrote:
>
> > > Here's my standard true Itanic story. I know a guy who wrote the sin()
> > > intrinsic. His comment: "I do not intend to write cos()".
>
> > I am working on a py
On Thu, 08 Jan 2009 12:09:51 EST ge...@plan9.bell-labs.com wrote:
> You don't want to use an amd29k (even if you could get one).
> They look cute on paper but their freeze-mode interrupt
> handling is a Chinese puzzle and unless you use Ken's compiler
> (previously called 9c), you're stuck with re
You don't want to use an amd29k (even if you could get one).
They look cute on paper but their freeze-mode interrupt
handling is a Chinese puzzle and unless you use Ken's compiler
(previously called 9c), you're stuck with register windows,
which tend to need to be spilled when an interrupt occurs,
On Thu Jan 8 05:11:37 EST 2009, nadiasver...@gmail.com wrote:
> > Here's my standard true Itanic story. I know a guy who wrote the sin()
> > intrinsic. His comment: "I do not intend to write cos()".
> >
>
> I am working on a python ctypes FFI trampoline for IA-64 Windows. I
> find the processor
> Here's my standard true Itanic story. I know a guy who wrote the sin()
> intrinsic. His comment: "I do not intend to write cos()".
>
I am working on a python ctypes FFI trampoline for IA-64 Windows. I
find the processor architecture lovely. I am sorry your friend was
turned off by it, but it h
On Mon, Jan 5, 2009 at 8:33 AM, Benjamin Huntsman
wrote:
> I know most everyone here hates the Itanium, but it is in some pretty large
> and fast systems, and it's on the Top500 list.
if you mean thunder, that machine is getting turned off soon. What new
machines have made it on top500? Sorry I
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