Searched hist:11194 (Results 1 - 3 of 3) sorted by relevance
| /gem5/src/mem/ | ||
| H A D | qport.hh | 11194:c3ba89c653a9 Fri Nov 06 03:26:00 EST 2015 Ali Jafri <ali.jafri@arm.com> mem: Enforce insertion order on the cache response path This patch enforces insertion order transmission of packets on the response path in the cache. Note that the logic to enforce order is already present in the packet queue, this patch simply turns it on for queues in the response path. Without this patch, there are corner cases where a request-response is faster than a response-response forwarded through the cache. This violation of queuing order causes problems in the snoop filter leaving it with inaccurate information. This causes assert failures in the snoop filter later on. A follow on patch relaxes the order enforcement in the packet queue to limit the performance impact. |
| H A D | dram_ctrl.cc | 11194:c3ba89c653a9 Fri Nov 06 03:26:00 EST 2015 Ali Jafri <ali.jafri@arm.com> mem: Enforce insertion order on the cache response path This patch enforces insertion order transmission of packets on the response path in the cache. Note that the logic to enforce order is already present in the packet queue, this patch simply turns it on for queues in the response path. Without this patch, there are corner cases where a request-response is faster than a response-response forwarded through the cache. This violation of queuing order causes problems in the snoop filter leaving it with inaccurate information. This causes assert failures in the snoop filter later on. A follow on patch relaxes the order enforcement in the packet queue to limit the performance impact. |
| /gem5/src/mem/cache/ | ||
| H A D | cache.cc | 11194:c3ba89c653a9 Fri Nov 06 03:26:00 EST 2015 Ali Jafri <ali.jafri@arm.com> mem: Enforce insertion order on the cache response path This patch enforces insertion order transmission of packets on the response path in the cache. Note that the logic to enforce order is already present in the packet queue, this patch simply turns it on for queues in the response path. Without this patch, there are corner cases where a request-response is faster than a response-response forwarded through the cache. This violation of queuing order causes problems in the snoop filter leaving it with inaccurate information. This causes assert failures in the snoop filter later on. A follow on patch relaxes the order enforcement in the packet queue to limit the performance impact. |
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