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| Summary: | getting roughly 1/2 performance on knl after upgrade to 17.02 | ||
|---|---|---|---|
| Product: | Slurm | Reporter: | Doug Jacobsen <dmjacobsen> |
| Component: | Other | Assignee: | Moe Jette <jette> |
| Status: | RESOLVED INVALID | QA Contact: | |
| Severity: | 2 - High Impact | ||
| Priority: | --- | ||
| Version: | 17.02.1 | ||
| Hardware: | Cray XC | ||
| OS: | Linux | ||
| Site: | NERSC | Alineos Sites: | --- |
| Atos/Eviden Sites: | --- | Confidential Site: | --- |
| Coreweave sites: | --- | Cray Sites: | --- |
| DS9 clusters: | --- | HPCnow Sites: | --- |
| HPE Sites: | --- | IBM Sites: | --- |
| NOAA SIte: | --- | OCF Sites: | --- |
| Recursion Pharma Sites: | --- | SFW Sites: | --- |
| SNIC sites: | --- | Linux Distro: | --- |
| Machine Name: | CLE Version: | ||
| Version Fixed: | Target Release: | --- | |
| DevPrio: | --- | Emory-Cloud Sites: | --- |
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Description
Doug Jacobsen
2017-03-03 13:29:17 MST
I just found that we had (before as well) TaskParam=sched the description of it sounds like perhaps not what we want. I just commented it out and am trying restarting all slurmd now. ---- Doug Jacobsen, Ph.D. NERSC Computer Systems Engineer National Energy Research Scientific Computing Center <http://www.nersc.gov> dmjacobsen@lbl.gov ------------- __o ---------- _ '\<,_ ----------(_)/ (_)__________________________ On Fri, Mar 3, 2017 at 1:01 PM, <bugs@schedmd.com> wrote: > Danny Auble <da@schedmd.com> changed bug 3534 > <https://bugs.schedmd.com/show_bug.cgi?id=3534> > What Removed Added > Assignee support@schedmd.com jette@schedmd.com > > ------------------------------ > You are receiving this mail because: > > - You reported the bug. > > There were some recent changes related to CPU frequency management. Could you check the governor and CPU frequency? that didn't seem to help ---- Doug Jacobsen, Ph.D. NERSC Computer Systems Engineer National Energy Research Scientific Computing Center <http://www.nersc.gov> dmjacobsen@lbl.gov ------------- __o ---------- _ '\<,_ ----------(_)/ (_)__________________________ On Fri, Mar 3, 2017 at 1:03 PM, Douglas Jacobsen <dmjacobsen@lbl.gov> wrote: > I just found that we had (before as well) TaskParam=sched the > description of it sounds like perhaps not what we want. I just commented > it out and am trying restarting all slurmd now. > > ---- > Doug Jacobsen, Ph.D. > NERSC Computer Systems Engineer > National Energy Research Scientific Computing Center > <http://www.nersc.gov> > dmjacobsen@lbl.gov > > ------------- __o > ---------- _ '\<,_ > ----------(_)/ (_)__________________________ > > > On Fri, Mar 3, 2017 at 1:01 PM, <bugs@schedmd.com> wrote: > >> Danny Auble <da@schedmd.com> changed bug 3534 >> <https://bugs.schedmd.com/show_bug.cgi?id=3534> >> What Removed Added >> Assignee support@schedmd.com jette@schedmd.com >> >> ------------------------------ >> You are receiving this mail because: >> >> - You reported the bug. >> >> > To me, these look OK dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 272 On-line CPU(s) list: 0-271 Thread(s) per core: 4 Core(s) per socket: 68 Socket(s): 1 NUMA node(s): 4 Vendor ID: GenuineIntel CPU family: 6 Model: 87 Model name: Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz Stepping: 1 CPU MHz: 1401.000 CPU max MHz: 1401.0000 CPU min MHz: 1000.0000 BogoMIPS: 2800.00 L1d cache: 32K L1i cache: 32K L2 cache: 1024K NUMA node0 CPU(s): 0-33,68-101,136-169,204-237 NUMA node1 CPU(s): 34-67,102-135,170-203,238-271 NUMA node2 CPU(s): NUMA node3 CPU(s): Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 fma cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms avx512f rdseed adx avx512pf avx512er avx512cd dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> srun lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 272 On-line CPU(s) list: 0-271 Thread(s) per core: 4 Core(s) per socket: 68 Socket(s): 1 NUMA node(s): 4 Vendor ID: GenuineIntel CPU family: 6 Model: 87 Model name: Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz Stepping: 1 CPU MHz: 1401.000 CPU max MHz: 1401.0000 CPU min MHz: 1000.0000 BogoMIPS: 2800.00 L1d cache: 32K L1i cache: 32K L2 cache: 1024K NUMA node0 CPU(s): 0-33,68-101,136-169,204-237 NUMA node1 CPU(s): 34-67,102-135,170-203,238-271 NUMA node2 CPU(s): NUMA node3 CPU(s): Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 fma cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb xsaveopt pln pts dtherm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms avx512f rdseed adx avx512pf avx512er avx512cd dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> I did find that if I run 2 tasks per node, binding to sockets (snc2) I am getting expected performance. The issue seems to be somehow related to full mask assignments. ---- Doug Jacobsen, Ph.D. NERSC Computer Systems Engineer National Energy Research Scientific Computing Center <http://www.nersc.gov> dmjacobsen@lbl.gov ------------- __o ---------- _ '\<,_ ----------(_)/ (_)__________________________ On Fri, Mar 3, 2017 at 1:07 PM, <bugs@schedmd.com> wrote: > *Comment # 3 <https://bugs.schedmd.com/show_bug.cgi?id=3534#c3> on bug > 3534 <https://bugs.schedmd.com/show_bug.cgi?id=3534> from Moe Jette > <jette@schedmd.com> * > > There were some recent changes related to CPU frequency management. > Could you check the governor and CPU frequency? > > ------------------------------ > You are receiving this mail because: > > - You reported the bug. > > AHA I found the problem. It turrns out that if you run half the threads, you get half the performance!! This was operator error. Sorry about that! Please resolve this. ---- Doug Jacobsen, Ph.D. NERSC Computer Systems Engineer National Energy Research Scientific Computing Center <http://www.nersc.gov> dmjacobsen@lbl.gov ------------- __o ---------- _ '\<,_ ----------(_)/ (_)__________________________ On Fri, Mar 3, 2017 at 1:09 PM, Douglas Jacobsen <dmjacobsen@lbl.gov> wrote: > To me, these look OK > > dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> lscpu > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 272 > On-line CPU(s) list: 0-271 > Thread(s) per core: 4 > Core(s) per socket: 68 > Socket(s): 1 > NUMA node(s): 4 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 87 > Model name: Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz > Stepping: 1 > CPU MHz: 1401.000 > CPU max MHz: 1401.0000 > CPU min MHz: 1000.0000 > BogoMIPS: 2800.00 > L1d cache: 32K > L1i cache: 32K > L2 cache: 1024K > NUMA node0 CPU(s): 0-33,68-101,136-169,204-237 > NUMA node1 CPU(s): 34-67,102-135,170-203,238-271 > NUMA node2 CPU(s): > NUMA node3 CPU(s): > Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good > nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor > ds_cpl est tm2 ssse3 fma cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt > tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida > arat epb xsaveopt pln pts dtherm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 > erms avx512f rdseed adx avx512pf avx512er avx512cd > dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> srun lscpu > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 272 > On-line CPU(s) list: 0-271 > Thread(s) per core: 4 > Core(s) per socket: 68 > Socket(s): 1 > NUMA node(s): 4 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 87 > Model name: Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz > Stepping: 1 > CPU MHz: 1401.000 > CPU max MHz: 1401.0000 > CPU min MHz: 1000.0000 > BogoMIPS: 2800.00 > L1d cache: 32K > L1i cache: 32K > L2 cache: 1024K > NUMA node0 CPU(s): 0-33,68-101,136-169,204-237 > NUMA node1 CPU(s): 34-67,102-135,170-203,238-271 > NUMA node2 CPU(s): > NUMA node3 CPU(s): > Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good > nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor > ds_cpl est tm2 ssse3 fma cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt > tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida > arat epb xsaveopt pln pts dtherm fsgsbase tsc_adjust bmi1 avx2 smep bmi2 > erms avx512f rdseed adx avx512pf avx512er avx512cd > dmj@nid10372:/global/cscratch1/sd/dmj/systemcheckout/build> > > > > > I did find that if I run 2 tasks per node, binding to sockets (snc2) I am > getting expected performance. The issue seems to be somehow related to > full mask assignments. > > ---- > Doug Jacobsen, Ph.D. > NERSC Computer Systems Engineer > National Energy Research Scientific Computing Center > <http://www.nersc.gov> > dmjacobsen@lbl.gov > > ------------- __o > ---------- _ '\<,_ > ----------(_)/ (_)__________________________ > > > On Fri, Mar 3, 2017 at 1:07 PM, <bugs@schedmd.com> wrote: > >> *Comment # 3 <https://bugs.schedmd.com/show_bug.cgi?id=3534#c3> on bug >> 3534 <https://bugs.schedmd.com/show_bug.cgi?id=3534> from Moe Jette >> <jette@schedmd.com> * >> >> There were some recent changes related to CPU frequency management. >> Could you check the governor and CPU frequency? >> >> ------------------------------ >> You are receiving this mail because: >> >> - You reported the bug. >> >> > (In reply to Doug Jacobsen from comment #6) > AHA I found the problem. > > It turrns out that if you run half the threads, you get half the > performance!! > > This was operator error. > > Sorry about that! > Please resolve this. Thanks for the update. Have a great weekend! |