test_expect_success 'verify both methods build the same hashmaps' '
test-lazy-init-name-hash --dump --single >out.single &&
- test-lazy-init-name-hash --dump --multi >out.multi &&
- sort <out.single >sorted.single &&
- sort <out.multi >sorted.multi &&
- test_cmp sorted.single sorted.multi
+ if test-lazy-init-name-hash --dump --multi >out.multi
+ then
+ test_set_prereq REPO_BIG_ENOUGH_FOR_MULTI &&
+ sort <out.single >sorted.single &&
+ sort <out.multi >sorted.multi &&
+ test_cmp sorted.single sorted.multi
+ fi
'
-test_expect_success 'multithreaded should be faster' '
- test-lazy-init-name-hash --perf >out.perf
+test_expect_success 'calibrate' '
+ entries=$(wc -l <out.single) &&
+
+ case $entries in
+ ?) count=1000000 ;;
+ ??) count=100000 ;;
+ ???) count=10000 ;;
+ ????) count=1000 ;;
+ ?????) count=100 ;;
+ ??????) count=10 ;;
+ *) count=1 ;;
+ esac &&
+ export count &&
+
+ case $entries in
+ 1) entries_desc="1 entry" ;;
+ *) entries_desc="$entries entries" ;;
+ esac &&
+
+ case $count in
+ 1) count_desc="1 round" ;;
+ *) count_desc="$count rounds" ;;
+ esac &&
+
+ desc="$entries_desc, $count_desc" &&
+ export desc
'
+test_perf "single-threaded, $desc" "
+ test-lazy-init-name-hash --single --count=$count
+"
+
+test_perf REPO_BIG_ENOUGH_FOR_MULTI "multi-threaded, $desc" "
+ test-lazy-init-name-hash --multi --count=$count
+"
+
test_done