add a sleep to reduce empty loops while waiting for line profiler results

[aseembits93]

PR Type

Enhancement

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Description

• Added 1ms sleep to reduce busy waits

• Simplified except IndexError clause handling

• Removed unused shutil import

• Preserved loop termination when done flag true

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Changes walkthrough 📝

	Relevant files
Enhancement	function_optimizer.py Prevent busy-wait via sleep in loop                                            codeflash/optimization/function_optimizer.py Removed unused shutil import. Simplified except IndexError clause. Introduced 1ms sleep to avoid busy-wait. Maintained loop termination on done. +2/-2

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Performance Concern Inserting a fixed 1 ms sleep in the busy-wait loop may reduce CPU usage but can introduce latency and may not adapt under different workloads. Consider using an adaptive backoff strategy or event signaling instead. except IndexError: if done: break time.sleep(0.001) #sleep for 1millisecond Missing Import The code uses Path in calls to get_run_tmp_file, but there is no visible import of Path from pathlib. Verify that Path is imported or defined elsewhere to avoid runtime errors. get_run_tmp_file(Path(f"test_return_values_{candidate_index}.bin")).unlink(missing_ok=True) get_run_tmp_file(Path(f"test_return_values_{candidate_index}.sqlite")).unlink(missing_ok=True)

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Add max-wait timeout safeguard Add a timeout or max-wait threshold to prevent potential infinite waiting when done never becomes true. Log a warning or raise an error if exceeded. codeflash/optimization/function_optimizer.py [407-411] +MAX_WAIT = 5.0 # seconds +start = time.time() + +... except IndexError: - if done: + if done or time.time() - start > MAX_WAIT: + if not done: + logger.warning("Waited too long for candidates, exiting loop") break - time.sleep(0.001) #sleep for 1millisecond + time.sleep(0.001) continue Suggestion importance[1-10]: 7 __ Why: Introducing a MAX_WAIT limit prevents infinite blocking when done never becomes true, improving robustness in edge cases.	Medium
General	Use named constant for sleep interval Extract the hardcoded sleep duration into a named constant to improve readability and make it easy to adjust globally. This also clarifies the intention behind the 1 ms pause. codeflash/optimization/function_optimizer.py [407-411] +POLL_INTERVAL = 0.001 # seconds to wait when queue is empty + +... except IndexError: if done: break - time.sleep(0.001) #sleep for 1millisecond + time.sleep(POLL_INTERVAL) continue Suggestion importance[1-10]: 5 __ Why: Extracting the magic number into POLL_INTERVAL improves readability and makes the pause duration easy to adjust without altering the loop logic.	Low