SPEC® ACCEL™ OCL Result

Copyright 2014-2017 Standard Performance Evaluation Corporation

Cray (Test Sponsor: Indiana University)

NVIDIA Tesla K20

Cray XK7

SPECaccel_ocl_base = 1.70

SPECaccel_ocl_peak = Not Run

ACCEL license: 3440A Test date: Mar-2017
Test sponsor: Indiana University Hardware Availability: Apr-2013
Tested by: Indiana University Software Availability: Jan-2017
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 352.68
Software
Operating System: SUSE Linux Enterprise Server 11 (x86_64), Cray
Linux Environment 5.2
3.0.101-0.46.1_1.0502.8871-cray_gem_c
Compiler: GNU Fortran (GCC) 5.3.0
File System: NFSv3 (DDN SFA12KE) over 10GB Ethernet
System State: Run level 3 (Multi-user)
Other Software: NVIDIA CUDA 7.5.18

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.
101.tpacf 77.0  1.39   77.0  1.39   77.0  1.39  
103.stencil 65.3  1.92   65.3  1.91   65.3  1.91  
104.lbm 47.0  2.38   47.2  2.37   47.3  2.37  
110.fft 63.2  1.76   63.2  1.76   63.2  1.76  
112.spmv 89.8  1.64   89.6  1.64   89.7  1.64  
114.mriq 22.6  4.83   22.5  4.84   22.5  4.84  
116.histo 114    1.00   118    0.962  113    1.01  
117.bfs 69.7  1.68   69.6  1.68   69.7  1.68  
118.cutcp 43.5  2.28   43.5  2.28   43.5  2.28  
120.kmeans 122    0.819  122    0.820  123    0.816 
121.lavamd 21.1  5.17   21.1  5.16   21.4  5.09  
122.cfd 79.5  1.59   79.7  1.58   79.5  1.58  
123.nw 81.6  1.41   81.5  1.41   81.6  1.41  
124.hotspot 46.7  2.44   46.8  2.44   46.9  2.43  
125.lud 111    1.07   111    1.07   111    1.07  
126.ge 51.4  3.01   51.4  3.01   51.6  3.01  
127.srad 76.3  1.49   76.3  1.49   76.4  1.49  
128.heartwall 157    0.676  157    0.676  157    0.675 
140.bplustree 113    0.955  113    0.954  113    0.953 

Platform Notes

 Sysinfo program
 /N/dc2/projects/hpc/lijunj/SPEC/accel-1.1-run/bigred2/Docs/sysinfo
 $Rev: 6965 $ $Date:: 2015-04-21 #$ c05a7f14b1b1765e3fe1df68447e8a35
 running on nid00221 Fri Mar 10 13:54:43 2017

 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 : 8
       siblings  : 16
       physical 0: cores 0 1 2 3 4 5 6 7
    cache size : 2048 KB

 From /proc/meminfo
    MemTotal:       33083764 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 = 3

 uname -a:
    Linux nid00221 3.0.101-0.46.1_1.0502.8871-cray_gem_c #1 SMP Sat Oct 22
    15:26:43 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux


 SPEC is set to: /N/dc2/projects/hpc/lijunj/SPEC/accel-1.1-run/bigred2
    Filesystem            Type    Size  Used Avail Use% Mounted on
    10.10.0.171@o2ib:/dc2 lustre  5.3P  5.0P  223T  96% /N/dc2

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

 (End of data from sysinfo program)

 (End of data from sysinfo program)

Base Runtime Environment

C benchmarks:

 OpenCL Platform: NVIDIA CUDA, OpenCL 1.2 CUDA 7.5.23   OpenCL Device #0: Tesla K20, v 352.68 

C++ benchmarks:

 OpenCL Platform: NVIDIA CUDA, OpenCL 1.2 CUDA 7.5.23   OpenCL Device #0: Tesla K20, v 352.68 

Base Compiler Invocation

C benchmarks:

 gcc 

C++ benchmarks:

 g++ 

Base Optimization Flags

C benchmarks:

 -O2   -I/opt/nvidia/cudatoolkit7.5/7.5.18-1.0502.10743.2.1/include   -L/opt/nvidia/cudatoolkit7.5/7.5.18-1.0502.10743.2.1/lib64   -lOpenCL 

C++ benchmarks:

 -O2   -I/opt/nvidia/cudatoolkit7.5/7.5.18-1.0502.10743.2.1/include   -L/opt/nvidia/cudatoolkit7.5/7.5.18-1.0502.10743.2.1/lib64   -lOpenCL 

Base Other Flags

C benchmarks:

116.histo:  -DSPEC_LOCAL_MEMORY_HEADROOM=1 

The flags file that was used to format this result can be browsed at
http://www.spec.org/accel/flags/flags-advanced.20170426.html.

You can also download the XML flags source by saving the following link:
http://www.spec.org/accel/flags/flags-advanced.20170426.xml.