Thanks Karl, that did the trick.
Charles
On Mon, Feb 1, 2016 at 11:05 AM, Karl Rupp <r...@iue.tuwien.ac.at> wrote:
> Hi Charles,
>
> > Sorry to continue this thread but I am very confused as I am trying to
>
>> add the public method you have suggested. I thought the following
>> simple function would be sufficient in the backend.hpp file.
>>
>> /** @brief Returns the current context index */
>> long current_context_id()
>>
>
> please add the 'static' keyword before 'long'. This should render
> viennacl::ocl::backend<>::current_context_id()
> valid.
>
> Best regards,
> Karli
>
>
> {
>> return current_context_id_;
>> }
>>
>> However, I am unable to call this function. I have tried:
>>
>> long context_id = viennacl::ocl::backend<false>::current_context_id();
>>
>> but I just get an error:
>>
>> error: cannot call member function ‘long int
>> viennacl::ocl::backend<dummy>::current_context_id() [with bool dummy =
>> false]’ without object
>>
>> Have I missed something with the structure of these files that is
>> preventing this from working?
>>
>> Regards,
>> Charles
>>
>> On Fri, Jan 29, 2016 at 2:04 PM, Karl Rupp <r...@iue.tuwien.ac.at
>> <mailto:r...@iue.tuwien.ac.at>> wrote:
>>
>> Hi Charles,
>>
>> sorry for the late response. Currently there is no way of getting
>> the internal index. You can, however, edit viennacl/ocl/backend.hpp
>> and add a public member function in viennacl::ocl::backend returning
>> the index.
>>
>> Best regards,
>> Karli
>>
>>
>>
>> On 01/29/2016 04:00 PM, Charles Determan wrote:
>>
>> While trying to figure out the device index I thought the
>> following
>> would work:
>>
>> viennacl::ocl::current_context().current_device_id_
>>
>> but apparently the `current_device_id_` is private (which didn't
>> appear
>> to be the case in the context.hpp file). Perhaps a simple
>> method for
>> its' accession? If this functionality doesn't exist I can
>> likely write
>> this.
>>
>> I still have made no headway on the context index.
>>
>> Regards,
>> Charles
>>
>> On Thu, Jan 28, 2016 at 1:30 PM, Charles Determan
>> <cdeterma...@gmail.com <mailto:cdeterma...@gmail.com>
>> <mailto:cdeterma...@gmail.com <mailto:cdeterma...@gmail.com>>>
>> wrote:
>>
>> A user can switch contexts easily with
>>
>> long id = 1;
>> viennacl::ocl::switch_context(id);
>>
>> Is there a way to determine the current context index? In
>> this case
>> it would return 1?
>>
>> The corollary for platform is:
>>
>> viennacl::ocl::current_context().platform_index()
>>
>>
>> I also don't see a method for device_index() either. But it
>> is
>> possible I am simply overlooking this somewhere in the
>> documentation.
>>
>> Regards,
>> Charles
>>
>>
>>
>>
>>
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