diff options
Diffstat (limited to 'src/mem/cache/prefetch/Prefetcher.py')
| -rw-r--r-- | src/mem/cache/prefetch/Prefetcher.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/Prefetcher.py b/src/mem/cache/prefetch/Prefetcher.py index bf735264a..c7ddcda1c 100644 --- a/src/mem/cache/prefetch/Prefetcher.py +++ b/src/mem/cache/prefetch/Prefetcher.py @@ -129,6 +129,18 @@ class QueuedPrefetcher(BasePrefetcher): tag_prefetch = Param.Bool(True, "Tag prefetch with PC of generating access") + # The throttle_control_percentage controls how many of the candidate + # addresses generated by the prefetcher will be finally turned into + # prefetch requests + # - If set to 100, all candidates can be discarded (one request + # will always be allowed to be generated) + # - Setting it to 0 will disable the throttle control, so requests are + # created for all candidates + # - If set to 60, 40% of candidates will generate a request, and the + # remaining 60% will be generated depending on the current accuracy + throttle_control_percentage = Param.Percent(0, "Percentage of requests \ + that can be throttled depending on the accuracy of the prefetcher.") + class StridePrefetcher(QueuedPrefetcher): type = 'StridePrefetcher' cxx_class = 'StridePrefetcher' |