
#9961: compile-time performance regression compiling genprimcode -------------------------------------+------------------------------------- Reporter: hvr | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Compiler | Version: 7.10.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by simonpj): I tried with the 7.10 branch, and got {{{ 4,187,629,104 bytes allocated in the heap 476,423,296 bytes copied during GC 42,531,768 bytes maximum residency (11 sample(s)) 1,561,840 bytes maximum slop 96 MB total memory in use (0 MB lost due to fragmentation) Tot time (elapsed) Avg pause Max pause Gen 0 619 colls, 0 par 1.937s 1.936s 0.0031s 0.0290s Gen 1 11 colls, 0 par 0.710s 0.710s 0.0645s 0.1338s TASKS: 4 (1 bound, 3 peak workers (3 total), using -N1) SPARKS: 0 (0 converted, 0 overflowed, 0 dud, 0 GC'd, 0 fizzled) INIT time 0.002s ( 0.001s elapsed) MUT time 6.782s ( 7.641s elapsed) GC time 2.647s ( 2.646s elapsed) EXIT time 0.035s ( 0.034s elapsed) Total time 9.497s ( 10.323s elapsed) }}} So I can't reproduce the slow compile time. Alas. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9961#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler