name-hash: add perf test for lazy_init_name_hash
Created t/perf/p0004-lazy-init-name-hash.sh test to demonstrate correctness and performance gains with the multithreaded version of lazy_init_name_hash(). Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff Hostetler committed
Mar 23, 2017 at 13:47 UTC
89c3b0ad43ec9169aba169b264abf5e6b82d2c06
1 file changed
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t/perf/p0004-lazy-init-name-hash.sh
new
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@@ -0,0 +1,19 @@
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+#!/bin/sh
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+
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+test_description='Tests multi-threaded lazy_init_name_hash'
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+. ./perf-lib.sh
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+
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+test_perf_large_repo
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+test_checkout_worktree
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+
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+test_expect_success 'verify both methods build the same hashmaps' '
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+ $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --dump --single | sort >out.single &&
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+ $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --dump --multi | sort >out.multi &&
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+ test_cmp out.single out.multi
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+'
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+
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+test_expect_success 'multithreaded should be faster' '
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+ $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --perf >out.perf
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+'
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+
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+test_done