Reviewing files that changed from the base of the PR and between 9730b44 and fd34ba7.

• CMakeLists.txt (1 hunks)
• bench/main.cpp (1 hunks)
• cmake/benchdeps.cmake (1 hunks)
• include/mr-contractor/task.hpp (2 hunks)

cmake/benchdeps.cmake (1)

36-36: Why was the /O2 optimization flag removed?

I notice you've removed the /O2 optimization flag while keeping /Ob2, /DNDEBUG, and /Zc:inline. This change is likely addressing a Windows-specific issue, but it would be helpful to understand the rationale behind removing just this specific optimization flag.

Is there a specific reason why only /O2 was removed? For instance:

• Was it causing unexpected behavior in the benchmarks?
• Was it conflicting with other compiler settings?
• Is there a known issue with /O2 in this particular codebase on Windows?

This context would help validate if this is the optimal solution or if there's a more targeted approach.

bench/main.cpp (1)

6-6: Include missing header for chrono functionality - good catch!

This change properly includes the required <chrono> header that was previously missing despite using std::chrono types throughout the code. This is good practice and prevents potential build issues on stricter compilers like MSVC.

CMakeLists.txt (2)

9-9: Good MSVC runtime configuration for Windows builds

Setting the MSVC runtime library to use multi-threaded static libraries (with debug versions in Debug configuration) is appropriate for Windows builds. This avoids runtime DLL dependencies and ensures consistent runtime behavior.

---

12-13: Consider the implications of enabling benchmarks and tests by default

Changing the default values for MR_CONTRACTOR_ENABLE_BENCHMARK and MR_CONTRACTOR_ENABLE_TESTING to ON means these components will be built by default. While this is helpful for development and testing, it might increase build times for users who don't need these components.

Was this change intentional? If so, you might want to document this decision in a comment to explain why benchmarks and tests are now built by default.

include/mr-contractor/task.hpp (2)

45-45: Improved atomic flag initialization

Changed from direct initialization with false to value initialization with {}. Both initialize the flag to false, but the newer form is more consistent with modern C++ practices and avoids potential compiler warnings on MSVC.

---

122-122:

Details

❓ Verification inconclusive

Added missing noexcept specification for barrier completion function

Good catch! The C++ standard requires that the completion function for std::barrier must be noexcept. Adding this specification ensures standards compliance and fixes potential compilation issues on MSVC, which might be stricter about this requirement.

Also applies to: 129-132

---

🏁 Script executed:

#!/bin/bash
# Check if this change fixes a known compilation issue with MSVC by looking for related error messages in the codebase history

# Look for MSVC-specific barrier-related errors in commit messages or issue descriptions
rg -i "barrier.*noexcept|noexcept.*barrier|msvc.*barrier" --type md
rg -i "msvc.*completion|completion.*msvc" --type md

Length of output: 123

---

Action: Verify noexcept Specification for Barrier Completion Functions

• The addition of the noexcept specification in

  FunctionWrapper<void(void) noexcept> _on_finish = []() noexcept {};

  at line 122 (and similarly applied at lines 129–132) ensures that the barrier completion function complies with the C++ standard. This change adheres to the requirement for std::barrier.
• Although our automated search for MSVC-specific error messages did not produce any output, it's important to manually verify that this change resolves any potential compilation issues on MSVC.