configs/common/GPUTLBOptions.py

   1 #
   2 #  Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
   3 #  All rights reserved.
   4 #
   5 #  For use for simulation and test purposes only
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   7 #  Redistribution and use in source and binary forms, with or without
   8 #  modification, are permitted provided that the following conditions are met:
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  11 #  this list of conditions and the following disclaimer.
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  14 #  this list of conditions and the following disclaimer in the documentation
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  21 #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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  31 #  POSSIBILITY OF SUCH DAMAGE.
  32 #
  33 #  Author: Myrto Papadopoulou
  34 #
  35
  36 def tlb_options(parser):
  37
  38     #===================================================================
  39     # TLB Configuration
  40     #===================================================================
  41
  42     parser.add_option("--TLB-config", type="string", default="perCU",
  43             help="Options are: perCU (default), mono, 2CU, or perLane")
  44
  45     #===================================================================
  46     #   L1 TLB Options (D-TLB, I-TLB, Dispatcher-TLB)
  47     #===================================================================
  48
  49     parser.add_option("--L1TLBentries", type='int', default="32")
  50     parser.add_option("--L1TLBassoc", type='int', default="32")
  51     parser.add_option("--L1AccessLatency", type='int', default="1",
  52                       help="latency in gpu cycles")
  53     parser.add_option("--L1MissLatency", type='int', default="750",
  54                       help="latency (in gpu cycles) of a page walk, "
  55                       "if this is a last level TLB")
  56     parser.add_option("--L1MaxOutstandingReqs", type='int', default="64")
  57     parser.add_option("--L1AccessDistanceStat", action="store_true")
  58     parser.add_option("--tot-L1TLB-size", type="int", default="0")
  59
  60     #===================================================================
  61     #   L2 TLB Options
  62     #===================================================================
  63
  64     parser.add_option("--L2TLBentries", type='int', default="4096")
  65     parser.add_option("--L2TLBassoc", type='int', default="32")
  66     parser.add_option("--L2AccessLatency", type='int', default="69",
  67                       help="latency in gpu cycles")
  68     parser.add_option("--L2MissLatency", type='int', default="750",
  69                       help="latency (in gpu cycles) of a page walk, "
  70                       "if this is a last level TLB")
  71     parser.add_option("--L2MaxOutstandingReqs", type='int', default="64")
  72     parser.add_option("--L2AccessDistanceStat", action="store_true")
  73
  74     #===================================================================
  75     #   L3 TLB Options
  76     #===================================================================
  77
  78     parser.add_option("--L3TLBentries", type='int', default="8192")
  79     parser.add_option("--L3TLBassoc", type='int', default="32")
  80     parser.add_option("--L3AccessLatency", type='int', default="150",
  81                       help="latency in gpu cycles")
  82     parser.add_option("--L3MissLatency", type='int', default="750",
  83                       help="latency (in gpu cycles) of a page walk")
  84     parser.add_option("--L3MaxOutstandingReqs", type='int', default="64")
  85     parser.add_option("--L3AccessDistanceStat", action="store_true")
  86
  87     #===================================================================
  88     #   L1 TLBCoalescer Options
  89     #===================================================================
  90
  91     parser.add_option("--L1ProbesPerCycle", type='int', default="2")
  92     parser.add_option("--L1CoalescingWindow", type='int', default="1")
  93     parser.add_option("--L1DisableCoalescing", action="store_true")
  94
  95     #===================================================================
  96     #   L2 TLBCoalescer Options
  97     #===================================================================
  98
  99     parser.add_option("--L2ProbesPerCycle", type='int', default="2")
 100     parser.add_option("--L2CoalescingWindow", type='int', default="1")
 101     parser.add_option("--L2DisableCoalescing", action="store_true")
 102
 103     #===================================================================
 104     #   L3 TLBCoalescer Options
 105     #===================================================================
 106
 107     parser.add_option("--L3ProbesPerCycle", type='int', default="2")
 108     parser.add_option("--L3CoalescingWindow", type='int', default="1")
 109     parser.add_option("--L3DisableCoalescing", action="store_true")