ocl: GCN atomics for Mi-GPUs and other improvements #715
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* GCN: Rely on builtin atomics (Mi-GPUs); TODO: tuned params and feature-check can be improved. * Allow relying on platform name instead of device name (c_dbcsr_acc_opencl_device_vendor). * Introduced optional kernel-flags (opencl_libsmm_smm_t); needs some followup work later. * Improved kernel by relying on work_group_broadcast in general. * Improved documentation for CUDA/OpenCL stand-alone drivers * Fixed warnings about unused variable (kernel code). * Modernized Shell script (acc_opencl.sh). * Improved some runtime error messages. * Some more debug/developer settings.
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GCN: Rely on builtin atomics (Mi-GPUs); TODO: tuned params and check if supported.
Allow relying on platform name instead of device name (c_dbcsr_acc_opencl_device_vendor).
Introduced optional kernel-flags (opencl_libsmm_smm_t); needs some followup work later.
Improved kernel by relying on work_group_broadcast in general.
improved documentation for CUDA/OpenCL stand-alone drivers
Modernized Shell script (acc_opencl.sh).
Improved some runtime error messages.
Some more debug/developer settings.