On MVM side, we don't need to care about thread-safety, but VM communications.

从MVM的角度来看，我们不需要关注线程安全，但是需要考虑VM通讯。

youdao

The MVM environment is expected to make Ruby programs run more efficiently than was previously possible.

该MVM环境目的在于使Ruby程序更加高效地运行。

youdao

I think it is more preferable to manipulate parallelism than thread, of course if MVM operations needs low cost enough.

我想这是比线程要更好的实现并行的方法，当然，如果MVM的操作的代价足够低。

youdao