SPEC(R) ACCEL(TM) OCL Summary Cray NVIDIA Tesla K20 Cray XK7 Test Sponsor: Indiana University Tue May 12 14:33:39 2015 ACCEL License: 3440A Test date: May-2015 Test sponsor: Indiana University Hardware availability: Apr-2013 Tested by: Indiana University Software availability: Jul-2014 Base Base Base Peak Peak Peak Benchmarks Ref. Run Time Ratio Ref. Run Time Ratio -------------- ------ --------- --------- ------ --------- --------- 101.tpacf 107 74.9 1.43 * 101.tpacf 107 74.5 1.44 S 101.tpacf 107 100 1.07 S 103.stencil 125 75.5 1.65 * 103.stencil 125 75.5 1.66 S 103.stencil 125 79.4 1.57 S 104.lbm 112 55.6 2.01 S 104.lbm 112 57.0 1.97 * 104.lbm 112 63.6 1.76 S 110.fft 111 73.7 1.51 * 110.fft 111 73.3 1.51 S 110.fft 111 75.7 1.47 S 112.spmv 147 102 1.44 * 112.spmv 147 101 1.46 S 112.spmv 147 105 1.40 S 114.mriq 109 38.4 2.84 * 114.mriq 109 39.0 2.79 S 114.mriq 109 38.1 2.86 S 116.histo 114 156 0.733 * 116.histo 114 158 0.720 S 116.histo 114 155 0.734 S 117.bfs 117 78.9 1.48 S 117.bfs 117 84.5 1.38 S 117.bfs 117 79.9 1.46 * 118.cutcp 99 41.2 2.40 S 118.cutcp 99 52.6 1.88 S 118.cutcp 99 42.9 2.31 * 120.kmeans 100 116 0.865 S 120.kmeans 100 116 0.861 * 120.kmeans 100 116 0.860 S 121.lavamd 109 92.2 1.18 S 121.lavamd 109 78.2 1.39 * 121.lavamd 109 75.9 1.44 S 122.cfd 126 130 0.970 S 122.cfd 126 148 0.852 S 122.cfd 126 130 0.968 * 123.nw 115 87.3 1.32 S 123.nw 115 108 1.06 S 123.nw 115 87.6 1.31 * 124.hotspot 114 48.5 2.35 * 124.hotspot 114 54.4 2.10 S 124.hotspot 114 47.6 2.40 S 125.lud 119 109 1.09 S 125.lud 119 125 0.949 S 125.lud 119 109 1.09 * 126.ge 155 67.7 2.29 * 126.ge 155 71.8 2.16 S 126.ge 155 67.0 2.31 S 127.srad 114 95.9 1.19 S 127.srad 114 81.7 1.40 S 127.srad 114 95.2 1.20 * 128.heartwall 106 86.5 1.23 * 128.heartwall 106 101 1.05 S 128.heartwall 106 85.9 1.23 S 140.bplustree 108 86.3 1.25 S 140.bplustree 108 102 1.06 S 140.bplustree 108 93.8 1.15 * ============================================================================== 101.tpacf 107 74.9 1.43 * 103.stencil 125 75.5 1.65 * 104.lbm 112 57.0 1.97 * 110.fft 111 73.7 1.51 * 112.spmv 147 102 1.44 * 114.mriq 109 38.4 2.84 * 116.histo 114 156 0.733 * 117.bfs 117 79.9 1.46 * 118.cutcp 99 42.9 2.31 * 120.kmeans 100 116 0.861 * 121.lavamd 109 78.2 1.39 * 122.cfd 126 130 0.968 * 123.nw 115 87.6 1.31 * 124.hotspot 114 48.5 2.35 * 125.lud 119 109 1.09 * 126.ge 155 67.7 2.29 * 127.srad 114 95.2 1.20 * 128.heartwall 106 86.5 1.23 * 140.bplustree 108 93.8 1.15 * SPECaccel_ocl_base 1.44 SPECaccel_ocl_peak Not Run 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: GNU Fortran (GCC) 4.9.2 File System: NFSv3 (IBM N5500 NAS) over Gb ethernet System State: Multi-user, run level 3 Other Software: NVIDIA CUDA 5.5.51 Platform Notes -------------- Sysinfo program /N/soft/mason/specaccel-1.0/Docs/sysinfo $Rev: 6874 $ $Date:: 2013-11-20 #$ 0953404ef7e75a5f9bbb534c6de3f831 running on nid00365 Tue May 12 14:33:46 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: 33084648 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 nid00365 2.6.32.59-0.7.1_1.0402.7496-cray_gem_c #1 SMP Fri Mar 27 21:58:55 UTC 2015 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 121T 478T 21% /N/soft Cannot run dmidecode; consider saying 'chmod +s /usr/sbin/dmidecode' (End of data from sysinfo program) Base Runtime Environment ------------------------ C benchmarks: OpenCL Platform: NVIDIA CUDA, OpenCL 1.1 CUDA 4.2.1 OpenCL Device #0: Tesla K20, v 319.82 C++ benchmarks: OpenCL Platform: NVIDIA CUDA, OpenCL 1.1 CUDA 4.2.1 OpenCL Device #0: Tesla K20, v 319.82 Base Compiler Invocation ------------------------ C benchmarks: gcc C++ benchmarks: g++ Base Optimization Flags ----------------------- C benchmarks: -O2 -I/opt/nvidia/cudatoolkit/default/include -L/opt/cray/nvidia/default/lib64 -lcuda -lOpenCL C++ benchmarks: -O2 -I/opt/nvidia/cudatoolkit/default/include -L/opt/cray/nvidia/default/lib64 -lcuda -lOpenCL The flags file that was used to format this result can be browsed at http://www.spec.org/accel/flags/flags-advanced.html You can also download the XML flags source by saving the following link: http://www.spec.org/accel/flags/flags-advanced.xml SPEC and SPEC ACCEL are registered trademarks or trademarks of the Standard Performance Evaluation Corporation. All other brand and product names appearing in this result are trademarks or registered trademarks of their respective holders. --------------------------------------------------------------------------------- For questions about this result, please contact the tester. For other inquiries, please contact webmaster@spec.org. Copyright 2014-2015 Standard Performance Evaluation Corporation Tested with SPEC ACCEL v1.0. Report generated on Wed Jun 10 11:45:32 2015 by ACCEL ASCII formatter v1290. Originally published on 10 June 2015.