GPUTLBOptions.py revision 12647:6d7e2f321496 
1# Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# For use for simulation and test purposes only
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31#
32#  Authors: Myrto Papadopoulou
33
34def 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")
108