Re: Proposal: Further performance improvements of Data.Map

Great! I don't understand what this means, though:

On i386 Intel Core2 and GHC 6.12.1, the improvements are

alter                       5.61 delete                      10.80 difference                  20.33 insert                      8.09 intersection                7.69 union                       21.74 update                      7.96

What are the units on those numbers? What tests were performed to achieve them? Jim