returning to cost of Integer

Dear GHC developers, Long ago you wrote that GHC has made Integer only about 3/2 times slower than Int. I tested this once, and then all this time I have been relying on this. Now, with ghc-6.4.1 compiled for Linux - i386-unknown, running under Debian Linux, Intel Pentium III under ghc -O, I have an occasion to repeat the test on a certain simple program for processing lists of length 7 over Integer. And Integer shows 2.55 times slower (11.2 sec against 4.4). Showld we somehow agree that cost(Integer)/cost(Int) in GHC is about 2.55 or maybe we are missing something? ----------------- Serge Mechveliani mechvel@botik.ru