SHORT Main memory bandwidth in MBytes/s EVENTSET PMC4 PM_RUN_INST_CMPL PMC5 PM_RUN_CYC MBOX0C0 PM_MBA0_READ_BYTES MBOX0C1 PM_MBA0_WRITE_BYTES MBOX1C0 PM_MBA1_READ_BYTES MBOX1C1 PM_MBA1_WRITE_BYTES MBOX2C0 PM_MBA2_READ_BYTES MBOX2C1 PM_MBA2_WRITE_BYTES MBOX3C0 PM_MBA3_READ_BYTES MBOX3C1 PM_MBA3_WRITE_BYTES MBOX4C0 PM_MBA4_READ_BYTES MBOX4C1 PM_MBA4_WRITE_BYTES MBOX5C0 PM_MBA5_READ_BYTES MBOX5C1 PM_MBA5_WRITE_BYTES MBOX6C0 PM_MBA6_READ_BYTES MBOX6C1 PM_MBA6_WRITE_BYTES MBOX7C0 PM_MBA7_READ_BYTES MBOX7C1 PM_MBA7_WRITE_BYTES METRICS Runtime (RDTSC) [s] time CPI PMC5/PMC4 Memory read bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX4C0+MBOX5C0+MBOX6C0+MBOX7C0)*64.0/time Memory read data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX4C0+MBOX5C0+MBOX6C0+MBOX7C0)*64.0 Memory write bandwidth [MBytes/s] 1.0E-06*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1+MBOX4C1+MBOX5C1+MBOX6C1+MBOX7C1)*64.0/time Memory write data volume [GBytes] 1.0E-09*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1+MBOX4C1+MBOX5C1+MBOX6C1+MBOX7C1)*64.0 Memory bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX4C0+MBOX5C0+MBOX6C0+MBOX7C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1+MBOX4C1+MBOX5C1+MBOX6C1+MBOX7C1)*64.0/time Memory data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX4C0+MBOX5C0+MBOX6C0+MBOX7C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1+MBOX4C1+MBOX5C1+MBOX6C1+MBOX7C1)*64.0 LONG Formulas: Memory read bandwidth [MBytes/s] = 1.0E-06*(SUM(PM_MBAx_READ_BYTES))*64.0/runtime Memory read data volume [GBytes] = 1.0E-09*(SUM(PM_MBAx_READ_BYTES))*64.0 Memory write bandwidth [MBytes/s] = 1.0E-06*(SUM(PM_MBAx_WRITE_BYTES))*64.0/runtime Memory write data volume [GBytes] = 1.0E-09*(SUM(PM_MBAx_WRITE_BYTES))*64.0 Memory bandwidth [MBytes/s] = 1.0E-06*(SUM(PM_MBAx_READ_BYTES)+SUM(PM_MBAx_WRITE_BYTES))*64.0/runtime Memory data volume [GBytes] = 1.0E-09*(SUM(PM_MBAx_READ_BYTES)+SUM(PM_MBAx_WRITE_BYTES))*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. Some of the counters may not be available on your system. Also outputs total data volume transferred from main memory.