src/gpu-compute/GPU.py

60     simd_id = Param.Int(0, 'SIMD ID associated with this VRF')
61     num_regs_per_simd = Param.Int(2048, 'number of vector registers per SIMD')
62     wfSize = Param.Int(64, 'Wavefront size (in work items)')
63     min_alloc = Param.Int(4, 'min number of VGPRs allocated per WF')
70     simdId = Param.Int('SIMD id (0-ComputeUnit.num_SIMDs)')
71     wf_slot_id = Param.Int('wavefront id (0-ComputeUnit.max_wfs)')
72     wfSize = Param.Int(64, 'Wavefront size (in work items)')
80     wfSize = Param.Int(64, 'Wavefront size (in work items)')
81     num_SIMDs = Param.Int(4, 'number of SIMD units per CU')
83     spbypass_pipe_length = Param.Int(4, 'vector ALU Single Precision bypass '\
86     dpbypass_pipe_length = Param.Int(8, 'vector ALU Double Precision bypass '\
89     issue_period = Param.Int(4, 'number of cycles per issue period')
90     num_global_mem_pipes = Param.Int(1,'number of global memory pipes per CU')
91     num_shared_mem_pipes = Param.Int(1,'number of shared memory pipes per CU')
92     n_wf = Param.Int(1, 'Number of wavefront slots per SIMD')
93     mem_req_latency = Param.Int(9, "Latency for request from the cu to ruby. "\
96     mem_resp_latency = Param.Int(9, "Latency for responses from ruby to the "\
101     cu_id = Param.Int('CU id')
102     vrf_to_coalescer_bus_width = Param.Int(32, "VRF->Coalescer data bus width "\
104     coalescer_to_vrf_bus_width = Param.Int(32, "Coalescer->VRF data bus width "\
112     prefetch_depth = Param.Int(0, "Number of prefetches triggered at a time"\
114     prefetch_stride = Param.Int(1, "Fixed Prefetch Stride (1 means next-page)")
128     global_mem_queue_size = Param.Int(256, "Number of entries in the global "
130     local_mem_queue_size = Param.Int(256, "Number of entries in the local "
147     n_wf = Param.Int(1, 'Number of wavefront slots per SIMD')