configs/common/GPUTLBOptions.py

   1 # Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
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   4 # For use for simulation and test purposes only
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  10 # this list of conditions and the following disclaimer.
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  20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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  30 # POSSIBILITY OF SUCH DAMAGE.
  31 #
  32 #  Authors: Myrto Papadopoulou
  33
  34 def tlb_options(parser):
  35
  36     #===================================================================
  37     # TLB Configuration
  38     #===================================================================
  39
  40     parser.add_option("--TLB-config", type="string", default="perCU",
  41             help="Options are: perCU (default), mono, 2CU, or perLane")
  42
  43     #===================================================================
  44     #   L1 TLB Options (D-TLB, I-TLB, Dispatcher-TLB)
  45     #===================================================================
  46
  47     parser.add_option("--L1TLBentries", type='int', default="32")
  48     parser.add_option("--L1TLBassoc", type='int', default="32")
  49     parser.add_option("--L1AccessLatency", type='int', default="1",
  50                       help="latency in gpu cycles")
  51     parser.add_option("--L1MissLatency", type='int', default="750",
  52                       help="latency (in gpu cycles) of a page walk, "
  53                       "if this is a last level TLB")
  54     parser.add_option("--L1MaxOutstandingReqs", type='int', default="64")
  55     parser.add_option("--L1AccessDistanceStat", action="store_true")
  56     parser.add_option("--tot-L1TLB-size", type="int", default="0")
  57
  58     #===================================================================
  59     #   L2 TLB Options
  60     #===================================================================
  61
  62     parser.add_option("--L2TLBentries", type='int', default="4096")
  63     parser.add_option("--L2TLBassoc", type='int', default="32")
  64     parser.add_option("--L2AccessLatency", type='int', default="69",
  65                       help="latency in gpu cycles")
  66     parser.add_option("--L2MissLatency", type='int', default="750",
  67                       help="latency (in gpu cycles) of a page walk, "
  68                       "if this is a last level TLB")
  69     parser.add_option("--L2MaxOutstandingReqs", type='int', default="64")
  70     parser.add_option("--L2AccessDistanceStat", action="store_true")
  71
  72     #===================================================================
  73     #   L3 TLB Options
  74     #===================================================================
  75
  76     parser.add_option("--L3TLBentries", type='int', default="8192")
  77     parser.add_option("--L3TLBassoc", type='int', default="32")
  78     parser.add_option("--L3AccessLatency", type='int', default="150",
  79                       help="latency in gpu cycles")
  80     parser.add_option("--L3MissLatency", type='int', default="750",
  81                       help="latency (in gpu cycles) of a page walk")
  82     parser.add_option("--L3MaxOutstandingReqs", type='int', default="64")
  83     parser.add_option("--L3AccessDistanceStat", action="store_true")
  84
  85     #===================================================================
  86     #   L1 TLBCoalescer Options
  87     #===================================================================
  88
  89     parser.add_option("--L1ProbesPerCycle", type='int', default="2")
  90     parser.add_option("--L1CoalescingWindow", type='int', default="1")
  91     parser.add_option("--L1DisableCoalescing", action="store_true")
  92
  93     #===================================================================
  94     #   L2 TLBCoalescer Options
  95     #===================================================================
  96
  97     parser.add_option("--L2ProbesPerCycle", type='int', default="2")
  98     parser.add_option("--L2CoalescingWindow", type='int', default="1")
  99     parser.add_option("--L2DisableCoalescing", action="store_true")
 100
 101     #===================================================================
 102     #   L3 TLBCoalescer Options
 103     #===================================================================
 104
 105     parser.add_option("--L3ProbesPerCycle", type='int', default="2")
 106     parser.add_option("--L3CoalescingWindow", type='int', default="1")
 107     parser.add_option("--L3DisableCoalescing", action="store_true")