SPEC® ACCEL™ ACC Result

Copyright 2014-2015 Standard Performance Evaluation Corporation

Cray (Test Sponsor: Indiana University)

NVIDIA Tesla K20

Cray XK7

SPECaccel_acc_base = 1.31

SPECaccel_acc_peak = Not Run

ACCEL license: 3440A Test date: Mar-2015
Test sponsor: Indiana University Hardware Availability: Apr-2013
Tested by: Indiana University Software Availability: Feb-2015
Benchmark results graph
Hardware
CPU Name: AMD Opteron 6276
CPU Characteristics: AMD Turbo CORE Technology up to 3.2GHz, Turbo
CORE off
CPU MHz: 2300
CPU MHz Maximum: 3200
FPU: Integrated
CPU(s) enabled: 16 cores, 1 chip, 16 cores/chip
CPU(s) orderable: 1 chip
Primary Cache: 32 KB I + 16 KB D on chip per core
Secondary Cache: 16 MB I+D on chip per chip, 2 MB shared / 2 cores
L3 Cache: 16 MB I+D on chip per chip, 8 MB shared / 8 cores
Other Cache: None
Memory: 32 GB (4 x 8 GB 2Rx4 PC3L-12800R-11, ECC)
Disk Subsystem: None
Other Hardware: None
Accelerator
Accel Model Name: Tesla K20
Accel Vendor: NVIDIA
Accel Name: NVIDIA Tesla K20
Type of Accel: GPU
Accel Connection: PCIe 2.0 16x
Does Accel Use ECC: yes
Accel Description: NVIDIA Tesla K20m GPU, 2496 CUDA cores, 706MHz, 5
GB GDDR5 RAM
Accel Driver: NVIDIA UNIX x86_64 Kernel Module 319.82
Software
Operating System: SUSE Linux Enterprise Server 11 (x86_64), Cray
Linux Environment 4.2
SUSE Linux Enterprise Server 11 (x86_64)
2.6.32.59-0.7.1_1.0402.7496-cray_gem_c
Compiler: Cray Compiling Environment 8.3.8
File System: NFSv3 (IBM N5500 NAS) over Gb ethernet
System State: Multi-user, run level 3
Other Software: NVIDIA CUDA 5.5.20

Results Table

Benchmark Base Peak
Seconds Ratio Seconds Ratio Seconds Ratio Seconds Ratio Seconds Ratio Seconds Ratio
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
303.ostencil 1963   0.0739  1964   0.0738  1964   0.0738 
304.olbm 132   3.45    132   3.45    132   3.44   
314.omriq 573   1.67    572   1.67    573   1.67   
350.md 104   2.42    105   2.41    104   2.41   
351.palm 324   1.14    325   1.14    324   1.14   
352.ep 429   1.24    429   1.24    430   1.23   
353.clvrleaf 247   1.80    247   1.80    247   1.80   
354.cg 192   2.12    192   2.12    192   2.12   
355.seismic 180   2.05    186   1.99    188   1.97   
356.sp 219   1.26    219   1.26    219   1.26   
357.csp 136   1.99    136   1.99    136   1.99   
359.miniGhost 200   1.85    201   1.84    200   1.84   
360.ilbdc 143   2.57    143   2.57    143   2.57   
363.swim 115   2.00    115   1.99    115   2.00   
370.bt 1038   0.215   1038   0.215   1037   0.215  

Platform Notes

 Sysinfo program /N/soft/mason/specaccel-1.0/Docs/sysinfo
 $Rev: 6874 $ $Date:: 2013-11-20 #$ 0953404ef7e75a5f9bbb534c6de3f831
 running on nid00849 Thu Mar 26 09:06:21 2015

 This section contains SUT (System Under Test) info as seen by
 some common utilities.  To remove or add to this section, see:
   http://www.spec.org/accel/Docs/config.html#sysinfo

 From /proc/cpuinfo
    model name : AMD Opteron(TM) Processor 6276
       1 "physical id"s (chips)
       16 "processors"
    cores, siblings (Caution: counting these is hw and system dependent.  The
    following excerpts from /proc/cpuinfo might not be reliable.  Use with
    caution.)
       cpu cores : 16
       siblings  : 16
       physical 0: cores 0 1 2 3 4 5 6 7
    cache size : 2048 KB

 From /proc/meminfo
    MemTotal:       33084584 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 /usr/bin/lsb_release -d
    SUSE Linux Enterprise Server 11 (x86_64)

 From /etc/*release* /etc/*version*
    SuSE-release:
       SUSE Linux Enterprise Server 11 (x86_64)
       VERSION = 11
       PATCHLEVEL = 1
    mazama-release:
       Mazama Wed Aug 28 02:06:30 CDT 2013 on hssbld0 by bwdev
       lsb-cray-mazama-7.1.0

 uname -a:
    Linux nid00849 2.6.32.59-0.7.1_1.0402.7496-cray_gem_c #1 SMP Thu Jul 10
    19:17:02 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux


 SPEC is set to: /N/soft/mason/specaccel-1.0
    Filesystem     Type  Size  Used Avail Use% Mounted on
    /N/soft        dvs   599T  104T  495T  18% /N/soft

 Cannot run dmidecode; consider saying 'chmod +s /usr/sbin/dmidecode'

 (End of data from sysinfo program)

General Notes

 Baseline   C: gcc
      Fortran: f90 -64 -mp -O2

Base Compiler Invocation

C benchmarks:

 cc 

Fortran benchmarks:

 ftn 

Benchmarks using both Fortran and C:

 cc   ftn 

Base Portability Flags

314.omriq:  -DSPEC_NO_INLINE 
352.ep:  -DSPEC_NO_INLINE 

Base Optimization Flags

C benchmarks:

 -O2   -h pragma=acc   -h nopragma=omp   -fpic   -dynamic 

Fortran benchmarks:

 -O2   -h acc,noomp   -em   -fpic   -dynamic 

Benchmarks using both Fortran and C:

 -O2   -h pragma=acc   -h nopragma=omp   -fpic   -dynamic   -h acc,noomp   -em 

The flags file that was used to format this result can be browsed at
http://www.spec.org/accel/flags/flags-advanced.20150303.html.

You can also download the XML flags source by saving the following link:
http://www.spec.org/accel/flags/flags-advanced.20150303.xml.