NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
for WDELAY in ${WDELAY_ARRAY}; do
./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log
NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
for WDELAY in ${WDELAY_ARRAY}; do
./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log