wget https://downloadmirror.intel.com/834254/mlc_v3.11b.tgz
tar xvf mlc_v3.11b.tgz
Linux/mlc

root@ubuntu2404:~# Linux/mlc
Intel(R) Memory Latency Checker - v3.11b
Measuring idle latencies for sequential access (in ns)...
                Numa node
Numa node            0
       0         127.9

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        :      72184.9
3:1 Reads-Writes :      68601.9
2:1 Reads-Writes :      67809.2
1:1 Reads-Writes :      65918.5
Stream-triad like:      69293.4

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
       0        72186.8

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  305.56    72175.8
 00002  304.53    72235.6
 00008  304.36    72261.3
 00015  286.88    72281.2
 00050  230.44    71347.7
 00100  210.71    70417.4
 00200  157.81    58744.5
 00300  139.04    44531.1
 00400  131.54    34173.6
 00500  128.28    28721.9
 00700  124.30    21731.9
 01000  121.47    16144.8
 01300  120.06    12870.8
 01700  119.35    10185.3
 02500  118.41     7233.5
 03500  118.01     5385.5
 05000  117.91     3964.0
 09000  118.19     2463.5
 20000  119.63     1388.5

Measuring cache-to-cache transfer latency (in ns)...
Local Socket L2->L2 HIT  latency        38.7
Local Socket L2->L2 HITM latency        41.1