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No, since our benchmarks are designed to squeeze out the last bit of performance from actual processors.  We use such extreme optimizations that take actual hardware architecture into account.  If you distort the underlying architecture by e.g. removing a lot of CPU cores from a multi-core CPU in a virtualized environment, our optimizations may or may not work as great as on a non-virtual environment.

That all doesn't mean that you cannot obtain valid benchmark results in a virtual machine. But the extreme optimizations will not work 100% in such an environment.

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