# Copyright (c) 2021 Advanced Micro Devices, Inc. # All rights reserved. # # For use for simulation and test purposes only # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, # this list of conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # 3. Neither the name of the copyright holder nor the names of its # contributors may be used to endorse or promote products derived from this # software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. def addAmdGPUOptions(parser): parser.add_argument("-u", "--num-compute-units", type=int, default=4, help="number of GPU compute units"), parser.add_argument("--num-cp", type=int, default=0, help="Number of GPU Command Processors (CP)") # not super important now, but to avoid putting the number 4 everywhere, # make it an option/knob parser.add_argument("--cu-per-sqc", type=int, default=4, help="number of CUs sharing an SQC" " (icache, and thus icache TLB)") parser.add_argument("--cu-per-scalar-cache", type=int, default=4, help="Number of CUs sharing a scalar cache") parser.add_argument("--simds-per-cu", type=int, default=4, help="SIMD units per CU") parser.add_argument("--cu-per-sa", type=int, default=4, help="Number of CUs per shader array. This must be a" " multiple of options.cu-per-sqc and " " options.cu-per-scalar") parser.add_argument("--sa-per-complex", type=int, default=1, help="Number of shader arrays per complex") parser.add_argument("--num-gpu-complexes", type=int, default=1, help="Number of GPU complexes") parser.add_argument("--wf-size", type=int, default=64, help="Wavefront size(in workitems)") parser.add_argument("--sp-bypass-path-length", type=int, default=4, help="Number of stages of bypass path in vector ALU " "for Single Precision ops") parser.add_argument("--dp-bypass-path-length", type=int, default=4, help="Number of stages of bypass path in vector ALU " "for Double Precision ops") #issue period per SIMD unit: number of cycles before issuing another vector parser.add_argument("--issue-period", type=int, default=4, help="Number of cycles per vector instruction issue" " period") parser.add_argument("--glbmem-wr-bus-width", type=int, default=32, help="VGPR to Coalescer (Global Memory) data bus width" " in bytes") parser.add_argument("--glbmem-rd-bus-width", type=int, default=32, help="Coalescer to VGPR (Global Memory) data bus width" " in bytes") # Currently we only support 1 local memory pipe parser.add_argument("--shr-mem-pipes-per-cu", type=int, default=1, help="Number of Shared Memory pipelines per CU") # Currently we only support 1 global memory pipe parser.add_argument("--glb-mem-pipes-per-cu", type=int, default=1, help="Number of Global Memory pipelines per CU") parser.add_argument("--wfs-per-simd", type=int, default=10, help="Number of WF slots per SIMD") parser.add_argument("--registerManagerPolicy", type=str, default="static", help="Register manager policy") parser.add_argument("--vreg-file-size", type=int, default=2048, help="number of physical vector registers per SIMD") parser.add_argument("--vreg-min-alloc", type=int, default=4, help="vector register reservation unit") parser.add_argument("--sreg-file-size", type=int, default=2048, help="number of physical scalar registers per SIMD") parser.add_argument("--sreg-min-alloc", type=int, default=4, help="scalar register reservation unit") parser.add_argument("--bw-scalor", type=int, default=0, help="bandwidth scalor for scalability analysis") parser.add_argument("--CPUClock", type=str, default="2GHz", help="CPU clock") parser.add_argument("--gpu-clock", type=str, default="1GHz", help="GPU clock") parser.add_argument("--cpu-voltage", action="store", type=str, default='1.0V', help="CPU voltage domain") parser.add_argument("--gpu-voltage", action="store", type=str, default='1.0V', help="GPU voltage domain") parser.add_argument("--CUExecPolicy", type=str, default="OLDEST-FIRST", help="WF exec policy (OLDEST-FIRST, ROUND-ROBIN)") parser.add_argument("--LocalMemBarrier",action="store_true", help="Barrier does not wait for writethroughs to " " complete") parser.add_argument("--countPages", action="store_true", help="Count Page Accesses and output in " " per-CU output files") parser.add_argument("--TLB-prefetch", type=int, help="prefetch depth for" "TLBs") parser.add_argument("--pf-type", type=str, help="type of prefetch: " "PF_CU, PF_WF, PF_PHASE, PF_STRIDE") parser.add_argument("--pf-stride", type=int, help="set prefetch stride") parser.add_argument("--numLdsBanks", type=int, default=32, help="number of physical banks per LDS module") parser.add_argument("--ldsBankConflictPenalty", type=int, default=1, help="number of cycles per LDS bank conflict") parser.add_argument("--lds-size", type=int, default=65536, help="Size of the LDS in bytes") parser.add_argument("--num-hw-queues", type=int, default=10, help="number of hw queues in packet processor") parser.add_argument("--reg-alloc-policy", type=str, default="simple", help="register allocation policy (simple/dynamic)")