| We'll need to look at what is going on here as this is a pretty | significant regression.
Make a ticket with repro instructions? s | -----Original Message----- | From: Ben Gamari [mailto:b...@smart-cactus.org] | Sent: 20 May 2017 18:20 | To: Herbert Valerio Riedel <hvrie...@gmail.com>; Simon Peyton Jones | <simo...@microsoft.com> | Cc: ghc-devs@haskell.org | Subject: Re: 8.2 and earlier build times | | Ben Gamari <b...@smart-cactus.org> writes: | | snip | > | > The "normal" and "profiled" build metrics are the +RTS -t lines | > extract from Cabal's profiled and unprofiled GHC invocations. I | > believe the RTS timings for 8.0.2 are broken due to a (fixed) RTS | bug, | > although I can't come up with a reference at the moment. | > | > | I tried this again with regex-tdfa-1.2.2 and indeed I was able to | reproduce Herbert's result, | | | 8.0.2 | normal: <<ghc: 91199006664 bytes, 3573 GCs, 260839393/610327968 | avg/max bytes residency (30 samples), 1687M in use, 0.000 INIT (0.001 | elapsed), 0.319 MUT (49.441 elapsed), 0.858 GC (30.681 elapsed) :ghc>> | profiled: <<ghc: 73210356144 bytes, 3333 GCs, 225266643/599801320 | avg/max bytes residency (26 samples), 1731M in use, 0.000 INIT (0.001 | elapsed), 0.352 MUT (39.318 elapsed), 0.685 GC (21.644 elapsed) :ghc>> | | 8.2.1-rc2: | normal: <<ghc: 90928069104 bytes, 3655 GCs, 256129517/594585536 | avg/max bytes residency (29 samples), 1691M in use, 0.000 INIT (0.001 | elapsed), 1.137 MUT (84.652 elapsed), 0.941 GC (47.811 elapsed) :ghc>> | profiled: <<ghc: 73010065480 bytes, 3228 GCs, 225992177/578697488 | avg/max bytes residency (27 samples), 1649M in use, 0.000 INIT (0.001 | elapsed), 0.318 MUT (53.871 elapsed), 0.728 GC (32.681 elapsed) :ghc>> | | We'll need to look at what is going on here as this is a pretty | significant regression. | | Cheers, | | - Ben _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs