SHORT Main memory bandwidth in MBytes/s EVENTSET FIXC0 INSTR_RETIRED_ANY FIXC1 CPU_CLK_UNHALTED_CORE FIXC2 CPU_CLK_UNHALTED_REF UPMC0 UNC_QMC_NORMAL_READS_ANY UPMC1 UNC_QMC_WRITES_FULL_ANY UPMC2 UNC_QHL_REQUESTS_REMOTE_READS UPMC3 UNC_QHL_REQUESTS_REMOTE_WRITES METRICS Runtime (RDTSC) [s] time Runtime unhalted [s] FIXC1*inverseClock Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock CPI FIXC1/FIXC0 Memory read bandwidth [MBytes/s] 1.0E-06*UPMC0*64.0/time Memory read data volume [GBytes] 1.0E-09*UPMC0*64.0 Memory write bandwidth [MBytes/s] 1.0E-06*UPMC1*64.0/time Memory write data volume [GBytes] 1.0E-09*UPMC1*64.0 Memory bandwidth [MBytes/s] 1.0E-06*(UPMC0+UPMC1)*64.0/time Memory data volume [GBytes] 1.0E-09*(UPMC0+UPMC1)*64.0 Remote memory read bandwidth [MBytes/s] 1.0E-06*UPMC2*64.0/time Remote memory read data volume [GBytes] 1.0E-09*UPMC2*64.0 Remote memory write bandwidth [MBytes/s] 1.0E-06*UPMC3*64.0/time Remote memory write data volume [GBytes] 1.0E-09*UPMC3*64.0 Remote memory bandwidth [MBytes/s] 1.0E-06*(UPMC2+UPMC3)*64.0/time Remote memory data volume [GBytes] 1.0E-09*(UPMC2+UPMC3)*64.0 LONG Formulas: Memory read bandwidth [MBytes/s] = 1.0E-06*UNC_QMC_NORMAL_READS_ANY*64.0/time Memory read data volume [GBytes] = 1.0E-09*UNC_QMC_NORMAL_READS_ANY*64.0 Memory write bandwidth [MBytes/s] = 1.0E-06*UNC_QMC_WRITES_FULL_ANY*64.0/time Memory write data volume [GBytes] = 1.0E-09*UNC_QMC_WRITES_FULL_ANY*64.0 Memory bandwidth [MBytes/s] = 1.0E-06*(UNC_QMC_NORMAL_READS_ANY+UNC_QMC_WRITES_FULL_ANY)*64.0/time Memory data volume [GBytes] = 1.0E-09*(UNC_QMC_NORMAL_READS_ANY+UNC_QMC_WRITES_FULL_ANY)*64.0 Remote memory read bandwidth [MBytes/s] = 1.0E-06*UNC_QHL_REQUESTS_REMOTE_READS*64.0/time Remote memory read data volume [GBytes] = 1.0E-09*UNC_QHL_REQUESTS_REMOTE_READS*64.0 Remote memory write bandwidth [MBytes/s] = 1.0E-06*UNC_QHL_REQUESTS_REMOTE_WRITES*64.0/time Remote memory write data volume [GBytes] = 1.0E-09*UNC_QHL_REQUESTS_REMOTE_WRITES*64.0 Remote memory bandwidth [MBytes/s] = 1.0E-06*(UNC_QHL_REQUESTS_REMOTE_READS+UNC_QHL_REQUESTS_REMOTE_WRITES)*64.0/time Remote memory data volume [GBytes] = 1.0E-09*(UNC_QHL_REQUESTS_REMOTE_READS+UNC_QHL_REQUESTS_REMOTE_WRITES)*64.0 - Profiling group to measure memory bandwidth drawn by all cores of a socket. This group will be measured by one core per socket. The remote read BW tells you if cache lines are transferred between sockets, meaning that cores access data owned by a remote NUMA domain. The group also reports total data volume transferred from main memory.