Hi Ayaz, Can you track down any flags used during the benchmark's compilation?
Thanks, Karthik On Sun, May 1, 2016 at 12:00 PM, <[email protected]> wrote: > Send gem5-users mailing list submissions to > [email protected] > > 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 > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of gem5-users digest..." > > > Today's Topics: > > 1. SIMD instructions on Arm (Ayaz Akram) > 2. Re: SIMD instructions on Arm (Arthur Perais) > 3. Re: SIMD instructions on Arm (Ayaz Akram) > 4. Re: SIMD instructions on Arm (Arthur Perais) > 5. Re: SIMD instructions on Arm (Ayaz Akram) > 6. Re: Measuring latency & bandwidth accurately (Abdul Mutaal) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sat, 30 Apr 2016 13:58:17 -0400 > From: Ayaz Akram <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: [gem5-users] SIMD instructions on Arm > Message-ID: > < > cac0+nvblej3941udyf3kfm+pj42ikjmyh90ccsertcmhue_...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > This question is not directly related to gem5, but I am asking here as a > lot of community members are using gem5 for Arm simulations. I am trying > to compile some SPEC2006 benchmarks for Arm without any simd instructions. > I am using -mcpu=generic+nosimd flag but, when I run the benchmarks with > gem5, stats still show simd operation types. I wonder if anyone has > experienced such problem. > > Thanks > Ayaz > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160430/1ac8fa00/attachment-0001.html > > > > ------------------------------ > > Message: 2 > Date: Sat, 30 Apr 2016 20:02:08 +0200 (CEST) > From: Arthur Perais <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] SIMD instructions on Arm > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > Could the SIMD instructions be in the kernel/libraries rather than in your > benchmark (I'm assuming you're using Full System). > > Best, > > Arthur. > > ----- Mail original ----- > > > De: "Ayaz Akram" <[email protected]> > > À: "gem5 users mailing list" <[email protected]> > > Envoyé: Samedi 30 Avril 2016 19:58:17 > > Objet: [gem5-users] SIMD instructions on Arm > > > This question is not directly related to gem5, but I am asking here as a > lot > > of community members are using gem5 for Arm simulations. I am trying to > > compile some SPEC2006 benchmarks for Arm without any simd instructions. > I am > > using -mcpu=generic+nosimd flag but, when I run the benchmarks with gem5, > > stats still show simd operation types. I wonder if anyone has experienced > > such problem. > > > Thanks > > Ayaz > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160430/6fb033fa/attachment-0001.html > > > > ------------------------------ > > Message: 3 > Date: Sat, 30 Apr 2016 14:05:46 -0400 > From: Ayaz Akram <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] SIMD instructions on Arm > Message-ID: > <CAC0+NVZsgM8_RPK-Qru9timzciAtUv-f2-HuxEK_m= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > No, I am using system emulation mode. > > Thanks > > On Sat, Apr 30, 2016 at 2:02 PM, Arthur Perais <[email protected]> > wrote: > > > Could the SIMD instructions be in the kernel/libraries rather than in > your > > benchmark (I'm assuming you're using Full System). > > > > Best, > > > > Arthur. > > > > ------------------------------ > > > > *De: *"Ayaz Akram" <[email protected]> > > *À: *"gem5 users mailing list" <[email protected]> > > *Envoyé: *Samedi 30 Avril 2016 19:58:17 > > *Objet: *[gem5-users] SIMD instructions on Arm > > > > This question is not directly related to gem5, but I am asking here as a > > lot of community members are using gem5 for Arm simulations. I am trying > > to compile some SPEC2006 benchmarks for Arm without any simd > instructions. > > I am using -mcpu=generic+nosimd flag but, when I run the benchmarks with > > gem5, stats still show simd operation types. I wonder if anyone has > > experienced such problem. > > > > Thanks > > Ayaz > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160430/e0660b70/attachment-0001.html > > > > ------------------------------ > > Message: 4 > Date: Sat, 30 Apr 2016 20:13:54 +0200 (CEST) > From: Arthur Perais <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] SIMD instructions on Arm > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > But maybe the library that you are statically linking against when > producing your benchmark binary have been compiled using SIMD instructions. > Of course if your benchmark does not need any library then this does not > apply. > > Best, > > Arhtur. > > ----- Mail original ----- > > > De: "Ayaz Akram" <[email protected]> > > À: "gem5 users mailing list" <[email protected]> > > Envoyé: Samedi 30 Avril 2016 20:05:46 > > Objet: Re: [gem5-users] SIMD instructions on Arm > > > No, I am using system emulation mode. > > > Thanks > > > On Sat, Apr 30, 2016 at 2:02 PM, Arthur Perais < [email protected] > > > > wrote: > > > > Could the SIMD instructions be in the kernel/libraries rather than in > your > > > benchmark (I'm assuming you're using Full System). > > > > > > Best, > > > > > > Arthur. > > > > > > > De: "Ayaz Akram" < [email protected] > > > > > > > > > > À: "gem5 users mailing list" < [email protected] > > > > > > > > > > Envoyé: Samedi 30 Avril 2016 19:58:17 > > > > > > > > > Objet: [gem5-users] SIMD instructions on Arm > > > > > > > > > > This question is not directly related to gem5, but I am asking here > as a > > > > lot > > > > of community members are using gem5 for Arm simulations. I am trying > to > > > > compile some SPEC2006 benchmarks for Arm without any simd > instructions. I > > > > am > > > > using -mcpu=generic+nosimd flag but, when I run the benchmarks with > gem5, > > > > stats still show simd operation types. I wonder if anyone has > experienced > > > > such problem. > > > > > > > > > > Thanks > > > > > > > > > Ayaz > > > > > > > > > _______________________________________________ > > > > > > > > > gem5-users mailing list > > > > > > > > > [email protected] > > > > > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > > > > > _______________________________________________ > > > > > gem5-users mailing list > > > > > [email protected] > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160430/d419edc6/attachment-0001.html > > > > ------------------------------ > > Message: 5 > Date: Sat, 30 Apr 2016 14:23:08 -0400 > From: Ayaz Akram <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] SIMD instructions on Arm > Message-ID: > <CAC0+NVYEO_TYgk=77X9pYenNxmHxC=_ > [email protected]> > Content-Type: text/plain; charset="utf-8" > > That might be the case. Actually, I am testing with povray and namd > benchmarks from SPEC2006 suite. I am not sure if they are using any such > library. > > Thanks for your help ! > > > On Sat, Apr 30, 2016 at 2:13 PM, Arthur Perais <[email protected]> > wrote: > > > But maybe the library that you are statically linking against when > > producing your benchmark binary have been compiled using SIMD > instructions. > > Of course if your benchmark does not need any library then this does not > > apply. > > > > Best, > > > > Arhtur. > > > > ------------------------------ > > > > *De: *"Ayaz Akram" <[email protected]> > > *À: *"gem5 users mailing list" <[email protected]> > > *Envoyé: *Samedi 30 Avril 2016 20:05:46 > > *Objet: *Re: [gem5-users] SIMD instructions on Arm > > > > > > No, I am using system emulation mode. > > > > Thanks > > > > On Sat, Apr 30, 2016 at 2:02 PM, Arthur Perais <[email protected]> > > wrote: > > > >> Could the SIMD instructions be in the kernel/libraries rather than in > >> your benchmark (I'm assuming you're using Full System). > >> > >> Best, > >> > >> Arthur. > >> > >> ------------------------------ > >> > >> *De: *"Ayaz Akram" <[email protected]> > >> *À: *"gem5 users mailing list" <[email protected]> > >> *Envoyé: *Samedi 30 Avril 2016 19:58:17 > >> *Objet: *[gem5-users] SIMD instructions on Arm > >> > >> This question is not directly related to gem5, but I am asking here as a > >> lot of community members are using gem5 for Arm simulations. I am trying > >> to compile some SPEC2006 benchmarks for Arm without any simd > instructions. > >> I am using -mcpu=generic+nosimd flag but, when I run the benchmarks with > >> gem5, stats still show simd operation types. I wonder if anyone has > >> experienced such problem. > >> > >> Thanks > >> Ayaz > >> _______________________________________________ > >> gem5-users mailing list > >> [email protected] > >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > >> > >> > >> > >> _______________________________________________ > >> gem5-users mailing list > >> [email protected] > >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > >> > > > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160430/01733228/attachment-0001.html > > > > ------------------------------ > > Message: 6 > Date: Sun, 1 May 2016 13:26:43 +0200 > From: Abdul Mutaal <[email protected]> > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] Measuring latency & bandwidth accurately > Message-ID: > < > calsb4lge6xo0hxcnmo1kpdyad3ygla4l60qor99zhtyc-us...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi Radhika, > > Thanks for your answer. > > My system consists of Traffic generator replaying some recorded traces. I > would like to measure the latency & bandwidth of my system attached with > traffic generator. > > Just a side question - After running the trace I see that there is stat > called 'numRetries' and 'retryTicks' , which are the ticks wasted during > back pressure. So my question is, does CommMonitor has the ability to count > latency of packet if the packet experiences a back-pressure and retry is > being done from traffic generator. > > Thanks > > 2016-04-29 9:42 GMT+02:00 Radhika Jagtap <[email protected]>: > > > Hi Abdul, > > > > > > > > What do you mean by certain architecture? As you may know, CommMonitor is > > connected between two ports and so it (reliably and accurately) measures > > the latency and bandwidth statistics of requests between those two > ports. I > > you want to measure these as seen by the application, you could connect > the > > CommMonitor between the core and L1 data cache ports. If you are looking > > for characterizing, that is things like maximum bandwidth and static > > latency (ie round trip latency per single request is in flight), then > > running lmbench benchmarks could be useful . > > > > > > > > Radhika > > > > > > > > *From:* gem5-users [mailto:[email protected]] *On Behalf Of > *Abdul > > Mutaal > > *Sent:* 25 April 2016 22:20 > > *To:* gem5 users mailing list > > *Subject:* [gem5-users] Measuring latency & bandwidth accurately > > > > > > > > Hi, > > > > > > > > How can I accurately measure bandwidth & latency of certain architecture > ? > > I am currently using CommMonitor. Is that reliable or is there any other > > method to measure accurately in gem5. > > > > > > > > > > > > > > > > Thanks > > > > > > > > -- > > > > > > > > Regards, > > > > Abdul Mutaal > > > > > > > > > > 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. > > > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > > -- > > Regards, > Abdul Mutaal > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://m5sim.org/cgi-bin/mailman/private/gem5-users/attachments/20160501/1ecc97cb/attachment-0001.html > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > ------------------------------ > > End of gem5-users Digest, Vol 118, Issue 1 > ****************************************** >
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