Intel(R) Memory Latency Checker - v3.12 *** Unable to modify prefetchers (try executing 'modprobe msr') *** So, enabling random access for latency measurements Measuring idle latencies for random access (in ns)... Numa node Numa node 0 1 0 129.9 129.9 1 128.3 128.1 Measuring Peak Injection Memory Bandwidths for the system Bandwidths are in MB/sec (1 MB/sec = 1,000,000 Bytes/sec) Using all the threads from each core if Hyper-threading is enabled Using traffic with the following read-write ratios ALL Reads : 233023.4 3:1 Reads-Writes : 267684.9 2:1 Reads-Writes : 275930.3 1:1 Reads-Writes : 292524.8 Stream-triad like: 273671.9 All NT writes : 170797.1 1:1 Read-NT write: 292916.6 Measuring Memory Bandwidths between nodes within system Bandwidths are in MB/sec (1 MB/sec = 1,000,000 Bytes/sec) Using all the threads from each core if Hyper-threading is enabled Using Read-only traffic type Numa node Numa node 0 1 0 123198.1 117550.5 1 119335.1 116650.4 Measuring Loaded Latencies for the system Using all the threads from each core if Hyper-threading is enabled Using Read-only traffic type Inject Latency Bandwidth Delay (ns) MB/sec ========================== 00000 721.29 232845.2 00002 664.14 232818.5 00008 664.32 232741.6 00015 662.87 232813.0 00050 658.94 232603.5 00100 654.70 232538.6 00200 175.42 211784.1 00300 158.98 143574.0 00400 154.97 105691.8 00500 152.84 85336.8 00700 151.05 61592.4 01000 149.91 43717.3 01300 150.28 33896.4 01700 142.11 26119.2 02500 142.59 17949.0 03500 152.47 12940.1 05000 140.65 9230.0 09000 141.48 5332.5 20000 140.18 2654.3 Measuring cache-to-cache transfer latency (in ns)... Local Socket L2->L2 HIT latency 25.3 Local Socket L2->L2 HITM latency 25.3