1. Доклад про PGO  https://www.youtube.com/watch?v=RGZrEZPhtAM&t=1143s

2. Google PGO examples https://cloud.google.com/blog/products/application-development/using-profile-guided-optimization-for-your-go-apps

3. Google PGO guide  https://www.youtube.com/watch?v=FwzE5Sdhhdw