RFC: startup time - again

[Mark Hammond]

Hi Alex,
> but if you throw away test suite for library.zip it's also a bit
> faster.

Have you measured how much faster?  I'm surprised that the extra unused modules in the .zip file cause a noticeable difference - or do you think that some of the modules are actually being imported even though things work fine when they do not exist, and that accounts for the difference?

Thanks,

Mark