MSVC ++ 2008和PSDK编译器之间是否存在差异（重新优化）？

I have just installed the Platform SDK for Windows Server 2008 and .NET 3.5 on my new system, and for the first time tried to compile a project for WIN64. The Unicode Release version of that program, built for 32 bit (using the optimizing compiler from the no longer available Free Toolkit), comes in at about 2.8 MB. Using the amd64 compiler from the latest PSDK the program is more than 5 MB big.I have just installed the Platform SDK for Wind