1# Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# For use for simulation and test purposes only
5#
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20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31#
32#  Authors: Myrto Papadopoulou
33
34from __future__ import print_function
35from __future__ import absolute_import
36
37def tlb_options(parser):
38
39    #===================================================================
40    # TLB Configuration
41    #===================================================================
42
43    parser.add_option("--TLB-config", type="string", default="perCU",
44            help="Options are: perCU (default), mono, 2CU, or perLane")
45
46    #===================================================================
47    #   L1 TLB Options (D-TLB, I-TLB, Dispatcher-TLB)
48    #===================================================================
49
50    parser.add_option("--L1TLBentries", type='int', default="32")
51    parser.add_option("--L1TLBassoc", type='int', default="32")
52    parser.add_option("--L1AccessLatency", type='int', default="1",
53                      help="latency in gpu cycles")
54    parser.add_option("--L1MissLatency", type='int', default="750",
55                      help="latency (in gpu cycles) of a page walk, "
56                      "if this is a last level TLB")
57    parser.add_option("--L1MaxOutstandingReqs", type='int', default="64")
58    parser.add_option("--L1AccessDistanceStat", action="store_true")
59    parser.add_option("--tot-L1TLB-size", type="int", default="0")
60
61    #===================================================================
62    #   L2 TLB Options
63    #===================================================================
64
65    parser.add_option("--L2TLBentries", type='int', default="4096")
66    parser.add_option("--L2TLBassoc", type='int', default="32")
67    parser.add_option("--L2AccessLatency", type='int', default="69",
68                      help="latency in gpu cycles")
69    parser.add_option("--L2MissLatency", type='int', default="750",
70                      help="latency (in gpu cycles) of a page walk, "
71                      "if this is a last level TLB")
72    parser.add_option("--L2MaxOutstandingReqs", type='int', default="64")
73    parser.add_option("--L2AccessDistanceStat", action="store_true")
74
75    #===================================================================
76    #   L3 TLB Options
77    #===================================================================
78
79    parser.add_option("--L3TLBentries", type='int', default="8192")
80    parser.add_option("--L3TLBassoc", type='int', default="32")
81    parser.add_option("--L3AccessLatency", type='int', default="150",
82                      help="latency in gpu cycles")
83    parser.add_option("--L3MissLatency", type='int', default="750",
84                      help="latency (in gpu cycles) of a page walk")
85    parser.add_option("--L3MaxOutstandingReqs", type='int', default="64")
86    parser.add_option("--L3AccessDistanceStat", action="store_true")
87
88    #===================================================================
89    #   L1 TLBCoalescer Options
90    #===================================================================
91
92    parser.add_option("--L1ProbesPerCycle", type='int', default="2")
93    parser.add_option("--L1CoalescingWindow", type='int', default="1")
94    parser.add_option("--L1DisableCoalescing", action="store_true")
95
96    #===================================================================
97    #   L2 TLBCoalescer Options
98    #===================================================================
99
100    parser.add_option("--L2ProbesPerCycle", type='int', default="2")
101    parser.add_option("--L2CoalescingWindow", type='int', default="1")
102    parser.add_option("--L2DisableCoalescing", action="store_true")
103
104    #===================================================================
105    #   L3 TLBCoalescer Options
106    #===================================================================
107
108    parser.add_option("--L3ProbesPerCycle", type='int', default="2")
109    parser.add_option("--L3CoalescingWindow", type='int', default="1")
110    parser.add_option("--L3DisableCoalescing", action="store_true")
111