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Diffstat (limited to 'topics')
| -rw-r--r-- | topics/systems/hpc/performance.gmi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/topics/systems/hpc/performance.gmi b/topics/systems/hpc/performance.gmi index ce6a111..ac5e861 100644 --- a/topics/systems/hpc/performance.gmi +++ b/topics/systems/hpc/performance.gmi @@ -12,6 +12,23 @@ For disk speeds make sure there is no load and run hdparm -Ttv /dev/sdc1 ``` +Cheap and cheerful: + +Read test: + +``` +dd if=/dev/zero of=./test bs=512k count=2048 oflag=direct +``` + +Write test: + +``` +/sbin/sysctl -w vm.drop_caches=3 +dd if=./test of=/dev/zero bs=512k count=2048 +``` + + + ## Networking To check the network devices installed use |