run-mbw.sh

#!/usr/bin/fish

if not set -q argv[1]; or not set -q argv[2]; or not set -q argv[3]; or not set -q argv[4]
	echo "usage: run-mbw <instances> <node> <iterations> <size>"
	exit 1
end

for i in (seq $argv[1])
	set result[$i] (mktemp)
	numactl --cpunodebind=$argv[2] --membind=$argv[2] mbw -b 65536 -n $argv[3] $argv[4] > $result[$i] &
end

wait numactl

set total_memcpy  0
set total_dumb    0
set total_mcblock 0

for i in (seq $argv[1])
	set k 0
	for j in (cat $result[$i] | grep AVG | cut -d ' ' -f 5)
		set k (math $k + 1)
		switch $k
			case 1
				set total_memcpy  (math $total_memcpy + $j)
			case 2
				set total_dumb    (math $total_memcpy + $j)
			case 3
				set total_mcblock (math $total_memcpy + $j)
		end
	end
	rm $result[$i]
end

printf 'AVG MEMCPY  = %f MiB/s\\n' (math $total_memcpy  / $argv[1])
printf 'AVG DUMB    = %f MiB/s\\n' (math $total_dumb    / $argv[1])
printf 'AVG MCBLOCK = %f MiB/s\\n' (math $total_mcblock / $argv[1])

set -e result
set -e total_memcpy
set -e total_dumb
set -e total_mcblock
set -e i
set -e j
set -e k