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Besides helping rendering I dreamed the GPU could make a rough preview
of the final image but people have explained to me that would be also a
lot of work and not always work, but that doesn't quite convince me
fully, I'm the kind of person that has seen incredible things happen
when people really want them to happen against all odd so I think few
things are truly impossible; take for example the hummingbird according
to scientist it should fly at all and it has the most precise flight of
all birds, people tend to call impossible things that they can see hence
the words of Dr. Albert Einstein: "Those who have seen the invisible can
achieve the impossible".
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On 10/14/2011 15:41, Saul Luizaga wrote:
> the hummingbird according to scientist it should fly at all
I'm pretty sure you're mistaken about what scientists think on this topic. :)
Even the claim that bumblebees shouldn't be able to fly is wrong. Bumblebees
can't fly if they were fixed-wing aircraft. Or, more precisely, bumblebees
can't glide. But that turned into "scientists don't know everything because
they think bees can't fly."
--
Darren New, San Diego CA, USA (PST)
How come I never get only one kudo?
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Am 15.10.2011 00:31, schrieb Saul Luizaga:
> Actually they do but only partially, yes the 5000 series and above are
> fully compliant, too bad my 4670s are double precision only, they don't
> handle single precision floats and have some power to offer & guess I
> got screwed over by AMD, oh well.
The 4670 offers a subset of OpenCL 1.1 only on Snow Leopard where the
missing functionality is emulated by Apple's OpenCL software layer.
And it does *NOT* support double precision floats (only 32 bit single
precision) as this is not even part of the OpenCL 1.1 specification,
just a vendor specific additional feature and as such isn't even part of
Apple's OpenCL implementation. At least when I last time checked but
this might change in the future.
But I was assuming you are using Windows anyway where the 4xxx series
together with the Catalyst drivers offers *NO* support for OpenCL at
all. And the same is valid for Linux.
-Ive
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Saul Luizaga <sau### [at] netscape net> wrote:
> take for example the hummingbird according
> to scientist it should fly at all and it has the most precise flight of
> all birds, people tend to call impossible things that they can see hence
> the words of Dr. Albert Einstein: "Those who have seen the invisible can
> achieve the impossible".
Two mistakes for the price of one? Well, unless you can give credible
sources for those.
--
- Warp
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I might be wrong about the hummingbird but I'm right about what Einstein
said; if you don't know it that doesn't make me wrong and I don't need
to prove you anything.
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Darren New wrote:
> On 10/14/2011 15:41, Saul Luizaga wrote:
>> the hummingbird according to scientist it should fly at all
>
> I'm pretty sure you're mistaken about what scientists think on this
> topic. :)
>
> Even the claim that bumblebees shouldn't be able to fly is wrong.
> Bumblebees can't fly if they were fixed-wing aircraft. Or, more
> precisely, bumblebees can't glide. But that turned into "scientists
> don't know everything because they think bees can't fly."
>
Yeah maybe I'm wrong about the hummingbird but scientists say the most
ridiculous things sometimes except maybe the truly wise ones like Einstein.
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...but since this guy
(http://www.ats.org/site/PageServer?pagename=about_research_nano) says
so too I am in the safe side.
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Also:
"When a distinguished but elderly scientist states that something is
possible, he is almost certainly right. When he states that something
is impossible, he is very probably wrong."
- Arthur C. Clarke's First Law
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Yes, is not double precision is quadruple precision for most operations
as stated here:
http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-4000/hd-4600/Pages/ati-radeon-hd-4600-specifications.aspx
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Maybe in GPGPU mode is not 128-bit but AMD doesn't says so in their webpage.
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