#8655: Evaluate know-to-terminate-soon thunks -------------------------------------+------------------------------------ Reporter: nomeata | Owner: nomeata Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by nomeata): Thanks for the suggestion. Two new runs, unloaded machine, slow mode. Slightly different numbers, but encouraging again: {{{ -------------------------------------------------------------------------------- Program Size Allocs Runtime Elapsed TotalMem -------------------------------------------------------------------------------- ansi +0.0% +0.0% +0.3% +0.5% +0.0% atom +0.0% -0.0% +0.6% +0.6% +0.0% binary-trees +0.0% +0.0% +0.0% -0.0% +0.0% boyer +0.0% +0.0% -0.5% -0.5% +0.0% cacheprof +0.0% -0.2% -1.6% -1.6% +0.9% calendar +0.0% +0.0% -0.7% -0.7% +0.0% circsim +0.0% +0.0% -0.9% -1.2% +0.0% clausify +0.0% +0.0% +0.6% +0.6% +0.0% comp_lab_zift +0.0% +0.0% +0.7% +0.0% +0.0% constraints +0.0% +0.0% -0.3% -0.4% +0.0% cryptarithm1 +0.0% +0.0% -0.5% -0.5% +0.0% event +0.0% +0.0% +0.0% +0.0% +0.0% exp3_8 +0.0% +0.0% +0.0% +0.0% +0.0% fannkuch-redux +0.0% +0.0% +0.0% +0.0% +0.0% fasta +0.0% +0.0% +0.2% +0.2% +0.0% fft +0.0% +0.0% -0.8% -0.8% +0.0% fibheaps +0.0% +0.0% -3.0% -3.0% +0.0% fluid -0.0% -0.1% 0.01 0.01 +0.0% gen_regexps +0.0% +0.0% -1.2% -0.4% +0.0% genfft +0.0% +0.0% -2.2% +0.0% +0.0% hidden +0.0% +0.0% +0.0% +0.0% +0.0% ida +0.0% +0.0% +0.0% +0.0% +0.0% integer +0.0% +0.0% -0.2% -0.2% +0.0% integrate +0.0% +0.0% -0.9% -0.9% +0.0% k-nucleotide +0.0% +0.0% -0.4% -0.4% +0.0% kahan +0.0% +0.0% +1.2% +1.2% +0.0% knights +0.0% +0.0% +0.0% +0.0% +0.0% lcss +0.0% +0.0% -1.9% -1.9% +0.0% multiplier +0.0% +0.0% -0.4% -0.4% +0.0% n-body +0.0% +0.0% -0.6% -0.6% +0.0% para +0.0% +0.0% +0.0% +0.0% +0.0% paraffins +0.0% +0.0% -3.3% -2.9% +0.0% pidigits +0.0% +0.0% +0.2% +0.4% +0.0% power +0.0% +0.0% -0.6% -0.6% +0.0% primes +0.0% +0.0% -0.4% -0.4% +0.0% queens +0.0% +0.0% +0.0% +0.0% +0.0% reverse-complem +0.0% +0.0% +0.0% +0.3% +0.0% rewrite +0.0% +0.0% +1.7% +2.5% +0.0% sched +0.0% +0.0% +0.3% +0.3% +0.0% scs +0.0% +0.0% +0.5% +0.5% +0.0% solid +0.0% +0.0% -0.6% -0.6% +0.0% spectral-norm +0.0% +0.0% +0.0% -0.1% +0.0% tak +0.0% +0.0% +0.7% +0.7% +0.0% transform +0.0% +0.0% +0.0% +0.0% +0.0% typecheck -0.0% +0.0% -0.7% -0.7% +0.0% wang +0.0% +0.0% -1.1% -1.1% +0.0% wave4main +0.0% +0.0% +0.0% +0.0% +0.0% wheel-sieve1 +0.0% +0.0% +0.0% +0.0% +0.0% wheel-sieve2 +0.0% +0.0% -3.3% -4.1% +0.0% -------------------------------------------------------------------------------- Min -0.0% -0.2% -3.3% -4.1% -19.3% Max +0.0% +0.0% +1.7% +2.5% +0.9% Geometric Mean -0.0% -0.0% -0.4% -0.3% -0.2% }}} I’m still a bit surprised that allocations do not change – but at least they change for `fluid`, so maybe I am not measuring noise after all :-) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8655#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler