> On Feb. 26, 2017, 9:52 vorm., Andreas Hansson wrote: > > Great. Thanks Matthias! > > > > How can we best make sure the functionality is matched by the DRAMCtrl? Is > > there anyone that already played around with bank-wise refresh? > > Radhika Jagtap wrote: > I've got a patch that matches DRAMCtrl to the new DRAMPower API which I'm > working on merging with this ext/* patch to make a single commit. Expect a > post in a couple days. Not played around with bank-wise refresh yet. By > default it is disabled. The main issue now resloved is that intermediate > statsdump in gem5 will now use window energy calculations from DRAMPower to > give correct energy deltas over a statsdump period (previously the dumped > stats were cumulative).
We have a full bankwise refresh implementation in DRAMSys. It shouldnt be hard to bring that to gem5 too. - Matthias ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: http://reviews.gem5.org/r/3838/#review9483 ----------------------------------------------------------- On Feb. 24, 2017, 9:56 nachm., Matthias Jung wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://reviews.gem5.org/r/3838/ > ----------------------------------------------------------- > > (Updated Feb. 24, 2017, 9:56 nachm.) > > > Review request for Default. > > > Repository: gem5 > > > Description > ------- > > Changeset 11881:910b9376009a > --------------------------- > ext: Update DRAMPower > > This patch syncs the DRAMPower library of gem5 to the external > one on github (https://github.com/ravenrd/DRAMPower) of which > I am one of the maintainers. > > The version used is the commit: > 90d6290f802c29b3de9e10233ceee22290907ce6 > from 30. Oct. 2016. > > The new version features a bank-wise power estimation. > Furthermore, PASR and Per-Bank Refresh is supported. > > More Informtation can be found in the following papers: > > A Bank-Wise DRAM Power Model for System Simulations > Deepak M. Mathew, Eder F. Zulian, Subash. Kannoth, Matthias Jung, Christian > Weis, Norbert Wehn. > International Conference on High-Performance and Embedded Architectures and > Compilers 2016 (HiPEAC), Workshop on: Rapid Simulation and Performance > Evaluation: Methods and Tools (RAPIDO), Stockholm, 2017. > > A New Bank Sensitive DRAMPower Model for Efficient Design Space Exploration > Matthias Jung, Deepak M. Mathew, Eder F. Zulian, Christian Weis, Norbert Wehn. > International Workshop on Power And Timing Modeling, Optimization and > Simulation (PATMOS 2016), September, 2016, Bremen, Germany > > > Diffs > ----- > > ext/drampower/README.md 5ea85692a53e > ext/drampower/SConscript 5ea85692a53e > ext/drampower/src/CAHelpers.cc PRE-CREATION > ext/drampower/src/CmdHandlers.cc PRE-CREATION > ext/drampower/src/CommandAnalysis.h 5ea85692a53e > ext/drampower/src/CommandAnalysis.cc 5ea85692a53e > ext/drampower/src/MemBankWiseParams.h PRE-CREATION > ext/drampower/src/MemBankWiseParams.cc PRE-CREATION > ext/drampower/src/MemCommand.h 5ea85692a53e > ext/drampower/src/MemPowerSpec.h 5ea85692a53e > ext/drampower/src/MemPowerSpec.cc 5ea85692a53e > ext/drampower/src/MemTimingSpec.h 5ea85692a53e > ext/drampower/src/MemTimingSpec.cc 5ea85692a53e > ext/drampower/src/MemoryPowerModel.h 5ea85692a53e > ext/drampower/src/MemoryPowerModel.cc 5ea85692a53e > ext/drampower/src/TraceParser.h 5ea85692a53e > ext/drampower/src/TraceParser.cc 5ea85692a53e > ext/drampower/src/libdrampower/LibDRAMPower.h 5ea85692a53e > ext/drampower/src/libdrampower/LibDRAMPower.cc 5ea85692a53e > ext/drampower/test/libdrampowertest/Makefile 5ea85692a53e > ext/drampower/test/libdrampowertest/commands.trace 5ea85692a53e > ext/drampower/test/libdrampowertest/lib_test.cc 5ea85692a53e > > Diff: http://reviews.gem5.org/r/3838/diff/ > > > Testing > ------- > > > Thanks, > > Matthias Jung > > _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
