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No there isn’t. But if you understand it I don’t get why you think 20% isn’t a good performance boost, especially considering the rate of return for power and area in silicon.

Because many people believe it is a 100% improvement, plan/budget accordingly, and then look for help.

As far as silicon/power it is nice, but IIRC (I am not involved in purchasing anymore) it used to cost over 50% in USD for those 20% in performance when you non-HT parts were common.

What a strange way to measure the benefits of a performance optimization: "how people will perceive it and then ask me for help".

You ignored the price issue, which was measurable and real, but also:

It (used to be) my job. Does "because people fall for deceptive marketing, waste money, and then waste my time trying to salvage their reputation" sound better?

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