# Copyright (c) 2011-2015 Advanced Micro Devices, Inc. # All rights reserved. # # 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 tlb_options(parser): # =================================================================== # TLB Configuration # =================================================================== parser.add_argument( "--TLB-config", type=str, default="perCU", help="Options are: perCU (default), mono, 2CU, or perLane", ) # =================================================================== # L1 TLB Options (D-TLB, I-TLB, Dispatcher-TLB) # =================================================================== parser.add_argument("--L1TLBentries", type=int, default="64") parser.add_argument("--L1TLBassoc", type=int, default="64") parser.add_argument( "--L1AccessLatency", type=int, default="1", help="latency in gpu cycles", ) parser.add_argument( "--L1MissLatency", type=int, default="750", help="latency (in gpu cycles) of a page walk, " "if this is a last level TLB", ) parser.add_argument("--L1MaxOutstandingReqs", type=int, default="64") parser.add_argument("--L1AccessDistanceStat", action="store_true") parser.add_argument("--tot-L1TLB-size", type=int, default="0") # =================================================================== # L2 TLB Options # =================================================================== parser.add_argument("--L2TLBentries", type=int, default="4096") parser.add_argument("--L2TLBassoc", type=int, default="64") parser.add_argument( "--L2AccessLatency", type=int, default="69", help="latency in gpu cycles", ) parser.add_argument( "--L2MissLatency", type=int, default="750", help="latency (in gpu cycles) of a page walk, " "if this is a last level TLB", ) parser.add_argument("--L2MaxOutstandingReqs", type=int, default="64") parser.add_argument("--L2AccessDistanceStat", action="store_true") # =================================================================== # L3 TLB Options # =================================================================== parser.add_argument("--L3TLBentries", type=int, default="8192") parser.add_argument("--L3TLBassoc", type=int, default="64") parser.add_argument( "--L3AccessLatency", type=int, default="150", help="latency in gpu cycles", ) parser.add_argument( "--L3MissLatency", type=int, default="750", help="latency (in gpu cycles) of a page walk", ) parser.add_argument("--L3MaxOutstandingReqs", type=int, default="64") parser.add_argument("--L3AccessDistanceStat", action="store_true") # =================================================================== # L1 TLBCoalescer Options # =================================================================== parser.add_argument("--L1ProbesPerCycle", type=int, default="2") parser.add_argument("--L1CoalescingWindow", type=int, default="1") parser.add_argument("--L1DisableCoalescing", action="store_true") # =================================================================== # L2 TLBCoalescer Options # =================================================================== parser.add_argument("--L2ProbesPerCycle", type=int, default="2") parser.add_argument("--L2CoalescingWindow", type=int, default="1") parser.add_argument("--L2DisableCoalescing", action="store_true") # =================================================================== # L3 TLBCoalescer Options # =================================================================== parser.add_argument("--L3ProbesPerCycle", type=int, default="2") parser.add_argument("--L3CoalescingWindow", type=int, default="1") parser.add_argument("--L3DisableCoalescing", action="store_true")