#10137: Rewrite switch code generation -------------------------------------+------------------------------------- Reporter: nomeata | Owner: nomeata Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.9 (CodeGen) | Keywords: Resolution: | Architecture: Operating System: Unknown/Multiple | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9157, #8326, | Differential Revisions: #8317, #9159 | -------------------------------------+------------------------------------- Comment (by nomeata): Fist benchmarks results are in; binary sizes are reduced, runtime changes varies with a small tendency towards improvement: {{{ Size Allocs Runtime Elapsed TotalMem Min -1.8% -0.0% -4.5% -7.8% 0.0% Max -0.7% 0.0% +3.3% +3.4% +2.9% Geometric Mean -1.4% -0.0% -0.2% -0.6% +0.1% }}} The code still has some magic constants where an optimum could probably be found somehow. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10137#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler