某些 CPU 密集型例程在通过调试器运行时会显着变慢.这是为什么?

Some CPU intensive routines get dramatically slower when run through a debugger. Why is this?

因为在启用调试时，JITter 不会优化代码那么多(通常，根本不会).

Because the JITter won't optimize code as much (often, not at all) when debugging is enabled.