id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
2462	Data.List.sum is slower than 6.8.3	simonmar	simonpj	"{{{
main = print (sum [1..100000000::Int])
}}}

with 6.8.3:
{{{
  MUT   time    1.76s  (  1.79s elapsed)
}}}

with HEAD (22/7/08)

{{{
  MUT   time    1.97s  (  1.99s elapsed)
}}}

complete guess: sum has been mis-optimised by SAT?
"	bug	closed	high	6.10.1	Compiler	6.8.3	invalid			Unknown/Multiple	Unknown/Multiple	Runtime performance bug	Unknown