Here "shared-memory" means that all memory is transparently accessible to all processors using standard load and store operations.
The table excludes:
STREAM Memory Bandwidth --- John D. McCalpin, mccalpin@cs.virginia.edu Revised to Mon Apr 3 19:18:55 CDT 2017 All results are in MB/s --- 1 MB=10^6 B, *not* 2^20 B -------------------------------------------------------------------------------------------- Sub. Date Machine ID ncpus COPY SCALE ADD TRIAD -------------------------------------------------------------------------------------------- 2015.07.10 SGI_UV_3000 3072 12799304.0 12815808.0 13838195.0 13826185.0 data 2012.08.14 SGI_Altix_UV_2000 2048 6591669.0 6592082.0 7128484.0 7139690.0 data 2016.01.13 ScaleMP_Xeon_E5-2680v3_64B 1534 5741247.0 5775190.0 6318785.0 6367015.0 data 2011.04.05 SGI_Altix_UV_1000 2048 5321074.0 5346667.0 5823380.0 5859367.0 data 2006.07.10 SGI_Altix_4700 1024 3661963.0 3677482.0 4385585.0 4350166.0 data 2013.03.26 Fujitsu_SPARC_M10-4S 1024 3474998.0 3500800.0 3956102.0 4002703.0 data 2011.06.06 ScaleMP_Xeon_X6560_64B 768 1493963.0 2112630.0 2252598.0 2259709.0 data 2017.04.04 Fujitsu_SPARC_M12-2S 192 1322423.0 1299737.0 1479182.0 1530865.0 data 2004.12.22 SGI_Altix_3700_Bx2 512 906388.0 870211.0 1055179.0 1119913.0 data 2003.11.13 SGI_Altix_3000 512 854062.0 854338.0 1008594.0 1007828.0 data 2003.10.02 NEC_SX-7 32 876174.7 865144.1 869179.2 872259.1 data 2008.04.07 IBM_Power_595 64 679207.2 624707.8 777334.8 805804.6 data 2013.09.12 Oracle_SPARC_T5-8 128 604648.0 611264.0 622572.0 642884.0 data 1999.12.07 NEC_SX-5-16A 16 607492.0 590390.0 607412.0 583069.0 data 2009.08.10 ScaleMP_XeonX5570_vSMP_16B 128 437571.0 431726.0 442722.0 445869.0 data 1997.06.10 NEC_SX-4 32 434784.0 432886.0 437358.0 436954.0 data 2004.08.11 HP_AlphaServer_GS1280-1300 64 407351.0 400142.0 437010.0 431450.0 data 1996.11.21 Cray_T932_321024-3E 32 310721.0 302182.0 359841.0 359270.0 data 2014.04.24 Oracle_Sun_Server_X4-4 60 221370.0 221944.0 244588.0 245068.0 data 2007.04.17 Fujitsu/Sun_Enterprise_M9000 128 224401.0 223113.0 224271.0 227059.0 data --------------------------------------------------------------------------------------------