Ñ desfases ñ via gem5-users <gem5-users@gem5.org> wrote:
>Send gem5-users mailing list submissions to > gem5-users@gem5.org > >To subscribe or unsubscribe via the World Wide Web, visit > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >or, via email, send a message with subject or body 'help' to > gem5-users-requ...@gem5.org > >You can reach the person managing the list at > gem5-users-ow...@gem5.org > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of gem5-users digest..." > > >Today's Topics: > > 1. How to run binary in multi-core system and what is > system.clk_domain.clock frequency? (Menglong Guan via gem5-users) > 2. Re: How to run binary in multi-core system and what is > system.clk_domain.clock frequency? (Andreas Hansson via gem5-users) > > >---------------------------------------------------------------------- > >Message: 1 >Date: Mon, 14 Jul 2014 13:54:13 -0400 >From: Menglong Guan via gem5-users <gem5-users@gem5.org> >To: m5-us...@m5sim.org >Subject: [gem5-users] How to run binary in multi-core system and what > is system.clk_domain.clock frequency? >Message-ID: > <cagy1mzaouklrpubuyadpxq5pjk0qpgdeztfgete1noikq9p...@mail.gmail.com> >Content-Type: text/plain; charset="utf-8" > >Dear All, > >I am new to gem5. It will be very helpful if you can give me an answer or a >suggest link that I need to read. > >I want to run SPEC2006 benchmark in se.py mode, and select dramsim2 as the >memory mode. The number of cpus is 4. However, the stats.txt results show >that all results for cpu1-3 are all 0, such as ?system.cpu1.numCycles?. I >checked config.ini file. The workload for cpu1-3 are all >?workload=system.cpu0.workload?. So my question 1 is whether this select >benchmark, bzip2, is working in 4 cpus multi-cores system or just working >in cpu0? Do I need to run in o3 mode? > >Another question 2 is what is the clk_domain for dramsim2 memory? I checked >config.ini file the [system.mem._ctrls] said ?type=DRAMSim2 >clk_domain=system.clk_domain? And the stats.txt result shows >?system.clk_domain.clock 1000 # Clock period in ticks? Does >this mean dramsim2 dram mode works in 1000*1 picosecond? What is the >frequency? > >Command line: > >./build/X86/gem5.opt ./configs/example/se.py ?I 100000000 ?n >--mem-channels=4 ?caches --l2cache --l2_size=1MB --mem-size=4096MB >--mem-type=dramsim2 --cpu-type=timing -c >$SPEC/benchspec/CPU2006/401.bzip2/exe/bzip2_base.gcc43-64bit >--options=$SPEC/benchspec/CPU2006/401.bzip2/data/all/input/input.program > >Thanks, > >Menglong > >-- > >*Menglong Guan* > > >*M.S. Student Department of Electrical & Computer EngineeringUniversity of >Connecticut* >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20140714/226f289d/attachment-0001.html> > >------------------------------ > >Message: 2 >Date: Mon, 14 Jul 2014 22:52:14 +0100 >From: Andreas Hansson via gem5-users <gem5-users@gem5.org> >To: Menglong Guan <menglong.g...@uconn.edu>, gem5 users mailing list > <gem5-users@gem5.org> >Subject: Re: [gem5-users] How to run binary in multi-core system and > what is system.clk_domain.clock frequency? >Message-ID: <cfea0e98.da1b%andreas.hans...@arm.com> >Content-Type: text/plain; charset="windows-1252" > >Hi Menglong, > >When it comes to DRAMSim2, the wrapper ignores the clock in gem5 and gets all >the information from the ini file. Thus, it is solely up to the configuration >file what clock is used. The wrapper has a default DDR3 config, but you can >change it if you want. > >As a side note, the built-in gem5 DRAM controller is roughly 7x faster than >DRAMSim2, and is easier to use. See our ISPASS?14 paper: Simulating DRAM >controllers for future system architecture exploration. You find a link on the >gem5 Publications page. > >Thanks, > >Andreas > >From: Menglong Guan via gem5-users ><gem5-users@gem5.org<mailto:gem5-users@gem5.org>> >Reply-To: Menglong Guan ><menglong.g...@uconn.edu<mailto:menglong.g...@uconn.edu>>, gem5 users mailing >list <gem5-users@gem5.org<mailto:gem5-users@gem5.org>> >Date: Monday, July 14, 2014 at 6:54 PM >To: "m5-us...@m5sim.org<mailto:m5-us...@m5sim.org>" ><m5-us...@m5sim.org<mailto:m5-us...@m5sim.org>> >Subject: [gem5-users] How to run binary in multi-core system and what is >system.clk_domain.clock frequency? > >Dear All, >I am new to gem5. It will be very helpful if you can give me an answer or a >suggest link that I need to read. >I want to run SPEC2006 benchmark in se.py mode, and select dramsim2 as the >memory mode. The number of cpus is 4. However, the stats.txt results show that >all results for cpu1-3 are all 0, such as ?system.cpu1.numCycles?. I checked >config.ini file. The workload for cpu1-3 are all >?workload=system.cpu0.workload?. So my question 1 is whether this select >benchmark, bzip2, is working in 4 cpus multi-cores system or just working in >cpu0? Do I need to run in o3 mode? >Another question 2 is what is the clk_domain for dramsim2 memory? I checked >config.ini file the [system.mem._ctrls] said ?type=DRAMSim2 >clk_domain=system.clk_domain? And the stats.txt result shows >?system.clk_domain.clock 1000 # Clock period in ticks? Does this >mean dramsim2 dram mode works in 1000*1 picosecond? What is the frequency? >Command line: >./build/X86/gem5.opt ./configs/example/se.py ?I 100000000 ?n --mem-channels=4 >?caches --l2cache --l2_size=1MB --mem-size=4096MB --mem-type=dramsim2 >--cpu-type=timing -c >$SPEC/benchspec/CPU2006/401.bzip2/exe/bzip2_base.gcc43-64bit >--options=$SPEC/benchspec/CPU2006/401.bzip2/data/all/input/input.program >Thanks, >Menglong > >-- > >Menglong Guan >M.S. Student >Department of Electrical & Computer Engineering >University of Connecticut > > >-- IMPORTANT NOTICE: The contents of this email and any attachments are >confidential and may also be privileged. If you are not the intended >recipient, please notify the sender immediately and do not disclose the >contents to any other person, use it for any purpose, or store or copy the >information in any medium. Thank you. > >ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, >Registered in England & Wales, Company No: 2557590 >ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, >Registered in England & Wales, Company No: 2548782 >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20140714/ab3992d7/attachment-0001.html> > >------------------------------ > >Subject: Digest Footer > >_______________________________________________ >gem5-users mailing list >gem5-users@gem5.org >http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > >------------------------------ > >End of gem5-users Digest, Vol 96, Issue 11 >****************************************** _______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
