Export experiment duration in seconds in CSV. (#2392)

* Export experiment duration in seconds in CSV.

Signed-off-by: Weilin Xu <weilin.xu@intel.com>

* Update CHANGELOG

Signed-off-by: Weilin Xu <weilin.xu@intel.com>

* Log fit and test durations separately.

Signed-off-by: Weilin Xu <weilin.xu@intel.com>

---------

Signed-off-by: Weilin Xu <weilin.xu@intel.com>
Co-authored-by: Samet Akcay <samet.akcay@intel.com>

Author: mzweilin

CHANGELOG.md

@@ -15,6 +15,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Changed
 
+- Add duration of experiments in seconds in the benchmark CSV result by [mzweilin](https://github.com/mzweilin) in https://github.com/openvinotoolkit/anomalib/pull/2392
+
 ### Deprecated
 
 ### Fixed

src/anomalib/pipelines/benchmark/job.py

@@ -4,6 +4,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import logging
+import time
 from datetime import datetime
 from pathlib import Path
 from tempfile import TemporaryDirectory
@@ -48,6 +49,7 @@ def run(
         task_id: int | None = None,
     ) -> dict[str, Any]:
         """Run the benchmark."""
+        job_start_time = time.time()
         devices: str | list[int] = "auto"
         if task_id is not None:
             devices = [task_id]
@@ -59,8 +61,16 @@ def run(
                 devices=devices,
                 default_root_dir=temp_dir,
             )
+            fit_start_time = time.time()
             engine.fit(self.model, self.datamodule)
+            test_start_time = time.time()
             test_results = engine.test(self.model, self.datamodule)
+        job_end_time = time.time()
+        durations = {
+            "job_duration": job_end_time - job_start_time,
+            "fit_duration": test_start_time - fit_start_time,
+            "test_duration": job_end_time - test_start_time,
+        }
         # TODO(ashwinvaidya17): Restore throughput
         # https://github.com/openvinotoolkit/anomalib/issues/2054
         output = {
@@ -69,6 +79,7 @@ def run(
             "model": self.model.__class__.__name__,
             "data": self.datamodule.__class__.__name__,
             "category": self.datamodule.category,
+            **durations,
             **test_results[0],
         }
         logger.info(f"Completed with result {output}")