ENH: Add benchmark for iterator loop comparison

Added precommit hook to automatically run clang-format.

Author: blowekamp

.pre-commit-config.yaml

@@ -0,0 +1,18 @@
+# .pre-commit-config.yaml
+# for details see https://pre-commit.com
+# for list of available hooks see https://pre-commit.com/hooks.html
+#
+# Preclude commits that do not conform to various criteria.
+#
+# If a pre-commit check must be skipped then use: `SKIP=check_id git commit` Where `check_id` is the id of the check to
+# be skipped such as `black`.
+
+fail_fast: true
+default_stages: [pre-commit]
+repos:
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v19.1.7
+  hooks:
+  - id: clang-format
+    args: ['--style=file']
+    files: '\.(c|cc|h|cxx|hxx)$'

examples/Core/CMakeLists.txt

@@ -18,3 +18,14 @@ add_test(
 set_property(TEST ThreadOverheadBenchmark APPEND PROPERTY LABELS Core)
 ## performance tests should not be run in parallel
 set_tests_properties(ThreadOverheadBenchmark PROPERTIES RUN_SERIAL TRUE)
+
+add_executable(ImageIterationBenchmark itkImageIterationBenchmark.cxx )
+target_link_libraries(ImageIterationBenchmark ${ITK_LIBRARIES})
+add_test(
+  NAME ImageIterationBenchmark
+  COMMAND ImageIterationBenchmark
+  ${BENCHMARK_RESULTS_OUTPUT_DIR}/__DATESTAMP__ImageIterationBenchmark.json
+  50 128 )
+set_property(TEST ImageIterationBenchmark APPEND PROPERTY LABELS Core)
+## performance tests should not be run in parallel
+set_tests_properties(ImageIterationBenchmark PROPERTIES RUN_SERIAL TRUE)