SHORT Main memory bandwidth in MBytes/s EVENTSET FIXC0 INSTR_RETIRED_ANY FIXC1 CPU_CLK_UNHALTED_CORE FIXC2 CPU_CLK_UNHALTED_REF MBOX0C0 CAS_COUNT_RD MBOX0C1 CAS_COUNT_WR MBOX1C0 CAS_COUNT_RD MBOX1C1 CAS_COUNT_WR MBOX2C0 CAS_COUNT_RD MBOX2C1 CAS_COUNT_WR MBOX3C0 CAS_COUNT_RD MBOX3C1 CAS_COUNT_WR 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*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0)*64.0/time Memory read data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0)*64.0 Memory write bandwidth [MBytes/s] 1.0E-06*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0/time Memory write data volume [GBytes] 1.0E-09*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0 Memory bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0/time Memory data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0 LONG Formulas: Memory read bandwidth [MBytes/s] = 1.0E-06*(SUM(MBOXxC0))*64.0/time Memory read data volume [GBytes] = 1.0E-09*(SUM(MBOXxC0))*64.0 Memory write bandwidth [MBytes/s] = 1.0E-06*(SUM(MBOXxC1))*64.0/time Memory write data volume [GBytes] = 1.0E-09*(SUM(MBOXxC1))*64.0 Memory bandwidth [MBytes/s] = 1.0E-06*(SUM(MBOXxC0)+SUM(MBOXxC1))*64.0/time Memory data volume [GBytes] = 1.0E-09*(SUM(MBOXxC0)+SUM(MBOXxC1))*64.0 - Profiling group to measure memory bandwidth drawn by all cores of a socket. Since this group is based on Uncore events it is only possible to measure on a per socket base. Also outputs total data volume transferred from main memory.