Gpgpu?


(depahelix-2) #1

Is there anyway to make elasticsearch take advantage of GPGPU, when
available? It would be nice to have some sort of plugin for this type of
thing, in the future.

See here:

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(Tony Su) #2

:slight_smile:
I don't even know if there is a way to run a JRE on GPU computing (I
haven't looked, either).
My current exposure has generally given me the impression all code is
moderately low level... C, with some scripting.

But, if a JRE exists, then it's an interesting option considering the
movement towards GPU computing for inexpensive massive computing for highly
parallel tasks.

Tony

On Tuesday, February 4, 2014 8:39:46 AM UTC-8, depahelix wrote:

Is there anyway to make elasticsearch take advantage of GPGPU, when
available? It would be nice to have some sort of plugin for this type of
thing, in the future.

See here:

http://en.wikipedia.org/wiki/General-purpose_computing_on_graphics_processing_units

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(Ivan Brusic) #3

The JRE can access the GPU via libraries/bindings such as JOCL:
http://www.jocl.org/

That said, elasticsearch can be thought of as a wrapper around Lucene. It
would make sense for the Lucene layer to take advantage of the GPU. Also,
for the most part, elasticsearch tends to be more memory and IO bound and
not CPU.

Cheers,

Ivan

On Tue, Feb 4, 2014 at 9:17 AM, Tony Su tonysu999@gmail.com wrote:

:slight_smile:
I don't even know if there is a way to run a JRE on GPU computing (I
haven't looked, either).
My current exposure has generally given me the impression all code is
moderately low level... C, with some scripting.

But, if a JRE exists, then it's an interesting option considering the
movement towards GPU computing for inexpensive massive computing for highly
parallel tasks.

Tony

On Tuesday, February 4, 2014 8:39:46 AM UTC-8, depahelix wrote:

Is there anyway to make elasticsearch take advantage of GPGPU, when
available? It would be nice to have some sort of plugin for this type of
thing, in the future.

See here:
http://en.wikipedia.org/wiki/General-purpose_computing_on_
graphics_processing_units

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(Tony Su) #4

Hmmmm....
Looks interesting although of course for the moment is a very narrow
implementation but may pave the way for more.

At first glance it sounds like one could write a CUDA app in OpenCL and
access the JRE installed and running on the CPU (not GPU).
If I understand that correctly, then it might warrant inspection, a close
look at what is running where.

The link to aparapi in your reference also looks interesting although I'm
not too excited about anything that waits until runtime to do the byte
translation.

Tony

On Tuesday, February 4, 2014 9:28:14 AM UTC-8, Ivan Brusic wrote:

The JRE can access the GPU via libraries/bindings such as JOCL:
http://www.jocl.org/

That said, elasticsearch can be thought of as a wrapper around Lucene. It
would make sense for the Lucene layer to take advantage of the GPU. Also,
for the most part, elasticsearch tends to be more memory and IO bound and
not CPU.

Cheers,

Ivan

On Tue, Feb 4, 2014 at 9:17 AM, Tony Su <tony...@gmail.com <javascript:>>wrote:

:slight_smile:
I don't even know if there is a way to run a JRE on GPU computing (I
haven't looked, either).
My current exposure has generally given me the impression all code is
moderately low level... C, with some scripting.

But, if a JRE exists, then it's an interesting option considering the
movement towards GPU computing for inexpensive massive computing for highly
parallel tasks.

Tony

On Tuesday, February 4, 2014 8:39:46 AM UTC-8, depahelix wrote:

Is there anyway to make elasticsearch take advantage of GPGPU, when
available? It would be nice to have some sort of plugin for this type of
thing, in the future.

See here:
http://en.wikipedia.org/wiki/General-purpose_computing_on_
graphics_processing_units

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(system) #5