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|
#!/bin/sh -e
YEAR="${YEAR:-$(date +%Y)}"
DAY="${DAY:-$(TZ=EST date '+%d')}"
IMPL="${IMPL:-rust}"
PARTS="${AOC_PARTS:-1 2}"
ITERS="${ITERS:-10}"
MODE="${MODE:-valgrind}"
cd "${YEAR}/${IMPL}/day${DAY}"
case "${IMPL}" in
'rust')
cargo build --release
EXECUTABLE="../target/release/day${DAY}"
;;
*)
echo "Unknown implementation: ${IMPL}" >&2
exit
;;
esac
# https://stackoverflow.com/q/774556/peak-memory-usage-of-a--process
for PART in $(echo ${PARTS})
do
export AOC_PARTS="${PART}"
OUT="memmax-${YEAR}-${IMPL}-${DAY}-${PART}.txt"
case "${MODE}" in
'valgrind')
valgrind --tool=massif --pages-as-heap=yes \
--massif-out-file=massif.out \
"${EXECUTABLE}" "${@}"
grep mem_heap_B massif.out | \
sed -e 's/mem_heap_B=\(.*\)/\1/' | sort -g | tail -n 1 \
>"${OUT}"
MEM=$(cat "${OUT}")
printf "${YEAR}-${IMPL}-${DAY}-${PART}: MEM: ${MEM} %dk %dM\n" \
$(( MEM / 1024 )) $(( MEM / 1024 / 1024 ))
;;
'time')
# %X The average amount in (shared) text space used in kilobytes.
# %D The average amount in (unshared) data/stack space used in kilobytes.
# %K The total space used (%X+%D) in kilobytes.
# %M The maximum memory the process had in use at any time in kilobytes.
export TIMEFMT='%M'
for I in $(seq "${ITERS}"); do
zsh -c time "${EXECUTABLE}" "${@}" 2>&1 >/dev/null | tail -1
done >"${OUT}"
ALL_MEMORY_USAGES="$(cat "${OUT}" )"
NO_OF_ITERS=$(echo "${ALL_MEMORY_USAGES}" | wc -l)
ARITHM="$(echo "( ${ALL_MEMORY_USAGES}" | tr '\n' '+'; \
echo "0 ) / ${NO_OF_ITERS}" )"
MEAN_MEMORY=$(( $(echo ${ARITHM}) ))
echo "${YEAR}-${IMPL}-${DAY}-${PART}: Mean: ${MEAN_MEMORY}kB"
echo "${YEAR}-${IMPL}-${DAY}-${PART}: Mean: ${MEAN_MEMORY}kB" >>"${OUT}"
;;
*)
echo "Unkown mode ${MODE}" >&2
;;
esac
done
|
