Home Infiniband Notes
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# Create a 4 Gibyte file of random data
dd if=/dev/urandom of=random.dat bs=1G count=4

# Create a 6 Gibyte ramdisk
mkdir /mnt/ramdisk
chmod a-rwx /mnt/ramdisk
mount -t tmpfs -o size=6G tmpfs /mnt/ramdisk

# Copy a file with progress info
rsync -ah --progress <source> <destination>

# qperf server
qperf

# qperf client tests
qperf --help tests