Xplatcppwindowsdll Updated File

The team behind xplatcppwindowsdll published before-and-after metrics using a 500k-line C++ codebase (compiled with MSVC 19.38, /O2):

| Metric | v2.1.4 | v3.0.0 | Improvement | |----------------------------|----------|----------|-------------| | DLL file size (Release x64)| 2.4 MB | 2.1 MB | -12.5% | | Load time (cold start) | 87 ms | 62 ms | -28.7% | | Export table entry count | 210 | 312 | +48% (auto extern)| | Build time (full from scratch) | 3m 22s | 2m 51s | -15% (parallel DEF gen) | xplatcppwindowsdll updated


New Features:

Bug Fixes:

Improvements:

Instead of replacing the active DLL, the updater writes the new version to a separate file (e.g., mylib_v2.dll). The main application, upon a safe signal (e.g., after completing a transaction), unloads the old DLL via FreeLibrary and loads the new one using LoadLibrary with an absolute path. This avoids file locks entirely. The challenge is to transfer any necessary state from the old DLL instance to the new one via a handshake function (e.g., GetState and SetState). New Features:

The following validation steps were performed prior to release: Bug Fixes: