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[v2,7/9] t/perf: add Scalar performance tests

Message ID d5b68c65163a384d86f08d371d4b1abc774b66db.1662134210.git.gitgitgadget@gmail.com (mailing list archive)
State Accepted
Commit e2809233d19e0faacedf59f229ec292cb9e7c7ef
Headers show
Series scalar: integrate into core Git | expand

Commit Message

Victoria Dye Sept. 2, 2022, 3:56 p.m. UTC 
From: Victoria Dye <vdye@github.com>

Create 'p9210-scalar.sh' for testing Scalar performance and comparing
performance of Git operations in Scalar registrations and standard
repositories. Example results:

Test                                                   this tree
------------------------------------------------------------------------
9210.2: scalar clone                                   14.82(18.00+3.63)
9210.3: git clone                                      26.15(36.67+6.90)
9210.4: git status (scalar)                            0.04(0.01+0.01)
9210.5: git status (non-scalar)                        0.10(0.02+0.11)
9210.6: test_commit --append --no-tag A (scalar)       0.08(0.02+0.03)
9210.7: test_commit --append --no-tag A (non-scalar)   0.13(0.03+0.11)

Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Victoria Dye <vdye@github.com>
---
 t/perf/p9210-scalar.sh | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100755 t/perf/p9210-scalar.sh
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Patch

diff --git a/t/perf/p9210-scalar.sh b/t/perf/p9210-scalar.sh
new file mode 100755
index 00000000000..265f7cd1fe2
--- /dev/null
+++ b/t/perf/p9210-scalar.sh
@@ -0,0 +1,39 @@ 
+#!/bin/sh
+
+test_description='test scalar performance'
+. ./perf-lib.sh
+
+test_perf_large_repo "$TRASH_DIRECTORY/to-clone"
+
+test_expect_success 'enable server-side partial clone' '
+	git -C to-clone config uploadpack.allowFilter true &&
+	git -C to-clone config uploadpack.allowAnySHA1InWant true
+'
+
+test_perf 'scalar clone' '
+	rm -rf scalar-clone &&
+	scalar clone "file://$(pwd)/to-clone" scalar-clone
+'
+
+test_perf 'git clone' '
+	rm -rf git-clone &&
+	git clone "file://$(pwd)/to-clone" git-clone
+'
+
+test_compare_perf () {
+	command=$1
+	shift
+	args=$*
+	test_perf "$command $args (scalar)" "
+		$command -C scalar-clone/src $args
+	"
+
+	test_perf "$command $args (non-scalar)" "
+		$command -C git-clone $args
+	"
+}
+
+test_compare_perf git status
+test_compare_perf test_commit --append --no-tag A
+
+test_done