Nvidia OpenCL 1.2 support

[JimF]

Persons more knowledgeable than myself on drivers (i.e., anything > 0) have pointed out that Nvidia is now supporting OpenCL 1.2.
Will that be significant for Folding anytime soon?

https://devtalk.nvidia.com/default/topi ... a-drivers/
http://www.geforce.com/hardware/noteboo ... ifications

[Napoleon]

Well, those are just hardware specs. OpenCL 1.2 spec probably has some minimum requirements about hardware features for it to be called a (true) OpenCL 1.2 capable GPU. But it's the driver which enables the use of those HW features. I'd bet when the OpenCL 1.2 capable drivers are released, they'll still bring OpenCL 1.2 support to old cards, they just emulate missing HW features in the driver.

Think about PhysX, for example. Existing drivers allow you to choose CPU for PhysX, even though the performance will be abysmal. According to rumours, it still isn't multithreaded and only uses x87 instructions for math (no SSE, for example). But hey, you can try it if you like...

Briefly put: still waiting for the driver.

Those HW "specifications" are rather sketchy... for example, look at
http://www.geforce.com/hardware/desktop ... ifications

You don't find anything at all about OpenCL there, any version of it. Does that mean it can't run core_17?

[7im]

No to both questions.

[bruce]

Officially, anything above the 720M supports the OpenCL 1.2 API. I don't think there is an easy way to figure out whether the hardware supports all of the functionality or whether emulation is built into the drivers.

[Jimboc]

No to both questions.

Agreed.

From reading the following thread on the Nvidia forum, it also appears that they don't support OpenCL 1.2 yet:

https://forums.geforce.com/default/topi ... t-for-fah/

There are related links to further threads on this forum within the above link.

Thanks.