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wshen0123/Xeon E5-2699 v4 Dual-Socket Memory Latency Check

Created August 31, 2016 21:34
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Xeon E5-2699 v4 Dual-Socket Memory Latency Check
Intel(R) Memory Latency Checker - v3.1a
Measuring idle latencies (in ns)...
Numa node
Numa node 0 1
0 86.8 129.8
1 129.5 85.9
Measuring Peak 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 : 112363.7
3:1 Reads-Writes : 101029.8
2:1 Reads-Writes : 99337.8
1:1 Reads-Writes : 92546.0
Stream-triad like: 86710.0
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 56807.5 28722.1
1 28727.0 56680.7
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 229.00 112256.6
00002 227.39 112136.3
00008 219.99 111451.4
00015 215.74 110882.8
00050 196.34 107347.5
00100 179.86 102458.3
00200 144.43 89855.6
00300 118.82 68835.3
00400 106.40 53921.2
00500 101.24 44056.8
00700 96.19 32262.5
01000 93.60 23117.2
01300 91.96 18090.2
01700 90.99 14084.2
02500 89.75 9874.0
03500 89.07 7314.1
05000 88.28 5362.4
09000 87.52 3315.9
20000 86.84 1901.9
Measuring cache-to-cache transfer latency (in ns)...
Local Socket L2->L2 HIT latency 39.0
Local Socket L2->L2 HITM latency 43.6
Remote Socket LLC->LLC HITM latency (data address homed in writer socket)
Reader Numa Node
Writer Numa Node 0 1
0 - 82.3
1 78.6 -
Remote Socket LLC->LLC HITM latency (data address homed in reader socket)
Reader Numa Node
Writer Numa Node 0 1
0 - 82.3
1 78.3 -
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