| Prefetcher.py (14013:aeb3ca1762bb) | Prefetcher.py (14015:e709cec78417) |
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| 1# Copyright (c) 2012, 2014, 2019 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 115 unchanged lines hidden (view full) --- 124 max_prefetch_requests_with_pending_translation = Param.Int(32, 125 "Maximum number of queued prefetches that have a missing translation") 126 queue_squash = Param.Bool(True, "Squash queued prefetch on demand access") 127 queue_filter = Param.Bool(True, "Don't queue redundant prefetches") 128 cache_snoop = Param.Bool(False, "Snoop cache to eliminate redundant request") 129 130 tag_prefetch = Param.Bool(True, "Tag prefetch with PC of generating access") 131 | 1# Copyright (c) 2012, 2014, 2019 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 115 unchanged lines hidden (view full) --- 124 max_prefetch_requests_with_pending_translation = Param.Int(32, 125 "Maximum number of queued prefetches that have a missing translation") 126 queue_squash = Param.Bool(True, "Squash queued prefetch on demand access") 127 queue_filter = Param.Bool(True, "Don't queue redundant prefetches") 128 cache_snoop = Param.Bool(False, "Snoop cache to eliminate redundant request") 129 130 tag_prefetch = Param.Bool(True, "Tag prefetch with PC of generating access") 131 |
| 132 # The throttle_control_percentage controls how many of the candidate 133 # addresses generated by the prefetcher will be finally turned into 134 # prefetch requests 135 # - If set to 100, all candidates can be discarded (one request 136 # will always be allowed to be generated) 137 # - Setting it to 0 will disable the throttle control, so requests are 138 # created for all candidates 139 # - If set to 60, 40% of candidates will generate a request, and the 140 # remaining 60% will be generated depending on the current accuracy 141 throttle_control_percentage = Param.Percent(0, "Percentage of requests \ 142 that can be throttled depending on the accuracy of the prefetcher.") 143 |
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| 132class StridePrefetcher(QueuedPrefetcher): 133 type = 'StridePrefetcher' 134 cxx_class = 'StridePrefetcher' 135 cxx_header = "mem/cache/prefetch/stride.hh" 136 137 # Do not consult stride prefetcher on instruction accesses 138 on_inst = False 139 --- 364 unchanged lines hidden --- | 144class StridePrefetcher(QueuedPrefetcher): 145 type = 'StridePrefetcher' 146 cxx_class = 'StridePrefetcher' 147 cxx_header = "mem/cache/prefetch/stride.hh" 148 149 # Do not consult stride prefetcher on instruction accesses 150 on_inst = False 151 --- 364 unchanged lines hidden --- |