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#!/bin/sh
test_description='Tests multi-threaded lazy_init_name_hash'
. ./perf-lib.sh
test_perf_large_repo
test_checkout_worktree
test_expect_success 'verify both methods build the same hashmaps' '
test-tool lazy-init-name-hash --dump --single >out.single &&
if test-tool 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 '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, $desc" "
test-tool lazy-init-name-hash --single --count=$count
"
test_perf "multi-threaded, $desc" --prereq REPO_BIG_ENOUGH_FOR_MULTI "
test-tool lazy-init-name-hash --multi --count=$count
"
test_done
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