Type: Posts; User: khoshbakht

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  1. Determine which Compute Unit the workgroup is running on (on AMD ATI Radeon series)


    I was using an Nvidia GTX 560 card and was able to determine which SM is running each workgroup by means of the following ptx code:

    uint smid;
    asm("mov.u32 %0, %%smid;" :...
  2. Problem synchronizing between multiple WorkGroups


    I am trying to synch all workgroups using a global variable as a semaphore. My barrier function inside the kernel is as follows:

    #define WORKGROUP_COUNT 15
    #define THREAD0_LOCAL...
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