Rather than talking about "improvement" or "rate of change", why not just say it "runs 9 times faster".
Using words like "improvement" etc are ambiguous and tend to be used by people trying to make themselves sound better. Tell a user that it's 9x FASTER and they get it.
Using words like "improvement" etc are ambiguous and tend to be used by people trying to make themselves sound better. Tell a user that it's 9x FASTER and they get it.
Comment