I'm using the bindists for some versions, and the ~simonmar/fp/ installs
(which I've assumed are bindist) for the ones that already existed there
(ie 7.0.1 to 7.4.1, excepting 7.0.4).
$ md5sum ghc*bz2
0fc26b4c1d10ff9dc8b0cbe9453d48d3 ghc-7.0.4-x86_64-unknown-linux.tar.bz2
de67ecfe619b0126d8a8b93d26f34555 ghc-7.4.2-x86_64-unknown-linux.tar.bz2
23da3285c5f8fe6716e2795d149c6b96 ghc-7.6.1-x86_64-unknown-linux.tar.bz2
230270a985c522af939d9c71aa76343f ghc-7.6.2-x86_64-unknown-linux.tar.bz2
On Tue, Feb 12, 2013 at 11:09 AM, Simon Marlow
On 12/02/13 03:17, Johan Tibell wrote:
Hi Nicolas!
I tried to reproduce the difference between 7.0.4 and 7.6.2 on the exp3_8, wheel-sieve1, and primes and couldn't get the same percent difference as you. We need to reconcile these differences somehow. Lets start with more exact machine specs. I have a:
------------------------------**------------------------------** -------------------- Program Size Allocs Runtime Elapsed TotalMem ------------------------------**------------------------------** -------------------- bernouilli +3.3% +0.2% 0.12 0.13 +0.0% exp3_8 +1.1% +53.7% 0.14 0.14 +300.0% gen_regexps +18.7% +3.9% 0.00 0.00 +0.0% integrate -0.1% +39.0% 0.21 0.23 +0.0% kahan +1.7% +98.6% +9.9% +7.3% +0.0% paraffins +1.3% -1.2% 0.06 0.08 +0.0% primes +1.4% +64.7% 0.04 0.05 +50.0% queens +0.8% -0.5% 0.02 0.02 +0.0% rfib +1.7% +42.8% 0.02 0.02 +0.0% tak +0.9% +12.0% 0.01 0.01 +0.0% wheel-sieve1 +0.8% +66.6% -4.6% -5.8% -12.5% wheel-sieve2 +0.9% +0.0% 0.12 0.13 +0.0% x2n1 +10.3% +87.3% 0.00 0.01 +200.0% ------------------------------**------------------------------** -------------------- Min -0.1% -1.2% -4.6% -5.8% -12.5% Max +18.7% +98.6% +9.9% +7.3% +300.0% Geometric Mean +3.2% +31.7% +2.4% +0.5% +23.6%
Some of these benchmarks essentially do no allocation in their inner loops (x2nl, rfib, tak), so differences there just indicate changes in the IO library or elsewhere, and aren't significant.
Is your 7.6.2 from our binary distributions, or did you build it yourself?
Cheers, Simon