[petsc-dev] PETSc factories 101 and 102

Matthew Knepley knepley at gmail.com
Sat Sep 8 16:01:08 CDT 2012


On Sat, Sep 8, 2012 at 2:45 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Sat, Sep 8, 2012 at 2:24 PM, Matthew Knepley <knepley at gmail.com> wrote:
>
>> JVM definitely sucks (stack machine with builtin slowness), but who cares
>> about performance on these things.
>>
>
> You are confusing interface with implementation. Dalvik is register-based.
>

I am not. The JVM is specifically designed as a stack machine. You may
execute Java byte code
on a register machine, but Java byte code is inferior even to GNU RTL.

   Matt

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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