+memory_start ()
+{
+ add_email_corpus
+
+ local timestamp=$(date +%Y%m%dT%H%M%S)
+ log_dir="${TEST_DIRECTORY}/log.$(basename $0)-$corpus_size-${timestamp}"
+ mkdir -p ${log_dir}
+
+ notmuch_new_with_cache memory_run
+}
+
+memory_run ()
+{
+ test_count=$(($test_count+1))
+
+ log_file=$log_dir/$test_count.log
+ talloc_log=$log_dir/$test_count.talloc
+
+ printf "[ %d ]\t%s\n" $test_count "$1"
+
+ NOTMUCH_TALLOC_REPORT="$talloc_log" valgrind --leak-check=full --log-file="$log_file" $2
+
+ awk '/LEAK SUMMARY/,/suppressed/ { sub(/^==[0-9]*==/," "); print }' "$log_file"
+ echo
+ sed -n -e 's/.*[(]total *\([^)]*\)[)]/talloced at exit: \1/p' $talloc_log
+ echo
+}
+
+memory_done ()
+{
+ time_done
+}
+
+cache_database ()
+{
+ if [ -d $MAIL_DIR/.notmuch ]; then
+ cp -r $MAIL_DIR/.notmuch $DB_CACHE_DIR
+ else
+ echo "Warning: No database found to cache"
+ fi
+}
+
+uncache_database ()
+{
+ rm -rf $DB_CACHE_DIR
+}
+
+print_header ()
+{
+ printf "\t\t\tWall(s)\tUsr(s)\tSys(s)\tRes(K)\tIn/Out(512B)\n"
+}
+
+time_run ()
+{