Analyst performance measurement

Title pretty much says it

I'm looking to understand the hedge fund industry in depth and was thinking how analysts performance is judged, specifically in a L/S SM/tiger funds context. What does it mean to outperform as an analyst in these funds? Is generating huge pnl sufficient to be considered an outperformer? Or are you judged more on alpha? Also are you paid based on gross pnl dollars or based on alpha?

Thanks in advance