Timeline


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Sep 16, 2010:

5:00 PM Changeset in ghc [ce7e28e] by Ian Lynagh <igloo@…>
Bump version number to 0.2.0.2
5:00 PM Changeset in integer-gmp [09f84aa]ghc-7.2ghc-7.4ghc-7.6ghc-7.8wip/T8647 by Ian Lynagh <igloo@…>
Bump version number to 0.2.0.2
4:19 PM Changeset in process [3e43454]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Bump version number 1.0.1.3 -> 1.0.1.4
3:12 PM Ticket #4323 (Change implementation of intersectBy) created by daniel.is.fischer
Currently, intersectBy eq xs [] takes O(length xs) time to calculate and …
3:01 PM Ticket #3840 (ghc-6.12.1 takes longer to compile code and produces bigger binaries ...) closed by simonpj
fixed: OK good. I'll mark it as fixed. Yell if it goes bad again! Simon
1:41 PM Ticket #4322 (High CPU usage during idle time due to GC) created by hesselink
We have a web application using happstack. It always used ~1% CPU, which …
12:59 PM Ticket #4321 (Unexpected stack overflow prevented by superfluous type annotation) created by bjpop
GHC versions affected: * 6.13.20100915 * 6.13.20090922 * 6.12.1 * …
11:56 AM Ticket #3390 (Upgrade the Windows build to use gcc 4.4.0) closed by simonmar
fixed: Fixed: […]
8:16 AM Ticket #2296 (Functional dependencies error message has no position information) closed by simonpj
fixed: I've tried your example Proof_default2 with the new typechecker, and …
12:42 AM Ticket #4320 (GHC Build System: make clean on windows requires ./configure to be rerun) created by dterei
On windows, with the ghc build system, if 'make clean' is run in the top …

Sep 15, 2010:

11:19 PM Ticket #4201 (Improve eta reduction) closed by simonpj
fixed: Done! […]
11:05 PM Ticket #4093 (compiler hangs (type checking?)) closed by simonpj
fixed: This is indeed fixed with the new typechecker. Can you try in your …
11:05 PM Ticket #4232 (Finish and merge new typechecker branch) closed by simonpj
fixed: New typechecker works, so we are unblocked. Simon
9:31 PM Ticket #4319 (Default to all cores for executables compiled with new flag -multicore) created by tim.v2.0
I propose a new flag -multicore, be added to the compiler which will …
9:27 PM Ticket #2859 (Reduce coercion terms to normal form) closed by simonpj
fixed: I implemented a coercion optimiser, some time ago. Hurrah.
4:57 PM Ticket #4240 (-ddump-minimal-imports vs. re-exported class methods) closed by simonpj
fixed: Great. Fixed by this patch, which also fixed a separate lurking bug …
4:10 PM Ticket #4299 (a less forceful INLINE pragma) closed by simonpj
fixed: Here's the documentation patch. […] Done! Not very thoroughly …
4:09 PM Ticket #1835 (Provide information of the instance environment) closed by simonpj
fixed: OK done. Patches to GHC […] and template-haskell package […] and …
4:02 PM Commentary/Libraries edited by simonpj
(diff)
3:18 PM Ticket #4318 (Crash while building HEAD on OS X) created by gwright
Building HEAD on OS X 10.6.3 using 6.10.4 as a bootstrap results in a …
2:52 PM Ticket #4309 (Painfully large errors with silly GADT instances) closed by simonpj
fixed: OK, done […] The error message now looks like: […]
1:04 PM Ticket #4317 (Add comments to the definition of IODeviceType (module GHC.IO.Device)) created by golubovsky
[…]
1:03 PM Ticket #2476 (internal error: awaitEvent: descriptor out of range) closed by simonmar
worksforme: old bug, and we couldn't reproduce it. As usual, please re-open if you …
1:01 PM Ticket #4187 (Seg fault with Text.Regex) closed by simonmar
worksforme: We can't make any progress on this one without being able to reproduce it. …
12:58 PM Ticket #3618 (memory-leak detector in +RTS -DS fails to track allocations in ...) closed by simonmar
fixed
12:40 PM Ticket #1579 (instance Read Integer contradicts Haskell98) closed by simonmar
fixed: This was easy, so I fixed it: […]
12:39 PM Ticket #1741 (Threaded RTS must use processor affinity and processor information) closed by simonmar
fixed: I implemented affinity on Windows: […] strangely it causes some …
12:37 PM Ticket #4246 ("Conflicting family instance declarations" error mentions code I did not ...) closed by simonpj
fixed: Your (very resonable) request pushed me over the top to doing a …
10:46 AM Ticket #4307 (Default to all cores for executables compiled with -threaded) closed by simonmar
wontfix: My take on this is that we're not ready to default to using all the cores …
4:57 AM Ticket #4316 (Interactive "do" notation in GHCi) created by mitar
Enable GHCi to run commands under StateT monad based on IO or maybe even …

Sep 14, 2010:

11:51 PM Ticket #4315 (Generalize the 'RandomGen' and 'Random' classes) created by TomMD
RandomGen? and Random classes assume generators produce Int values. This …
11:39 PM Ticket #4314 (Move 'split' from the 'RandomGen' class to a new 'SplittableGen' class) created by TomMD
The proposal is to: 1) Create the 'SplittableGen?' class in System.Random: …
4:21 PM Ticket #4313 (Proposal: Add left, right and strict folds to Data.Set, Data.IntMap and ...) created by milan
This proposal depends on #4278 and #4280. In accordance with a poll on …
4:12 PM Ticket #4312 (Proposal: Further performance improvements of Data.Set) created by milan
This proposal depends on #4280. This proposal further improves the …
4:04 PM Ticket #4311 (Proposal: Further performance improvements of Data.Map) created by milan
This proposal depends on #4277 and #4278. This proposal further improves …
2:22 PM Ticket #4184 (Squirrelly inliner behaviour leads to 80x slowdown) closed by simonpj
invalid: OK I looked at this. After an hour I realised that you have written …
1:48 PM Ticket #4265 (Sanity bug found by +RTS -DS in Agda) closed by simonmar
fixed: I think the sanity bug was fixed by: […] I can't reproduce the …
1:44 PM Ticket #4310 (Deferred equalities and forall types) created by simonpj
In the new typechecker we occasionally find we want an equality […] …
12:03 PM Ticket #4309 (Painfully large errors with silly GADT instances) created by pumpkin
If (for whatever reason) you decide to ask GHC to derive (using …
11:58 AM Ticket #4306 (UNPACK can lead to unnecessary copying and wasted stack space) closed by simonpj
fixed: Although this isn't a release-critical bug I couldn't resist fixing it …
9:24 AM Changeset in process [7d003ba]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Simon Marlow <marlowsd@…>
fix #4198 with BINDIST=YES (config.compiler needs to be quoted)
8:59 AM Ticket #4273 (TextEncoding lacks Eq and Show instances) closed by simonmar
fixed: Fixed: […] I didn't add an Eq instance, but you can always get an …
8:55 AM Ticket #4291 (System.IO.Newline has no Show instance) closed by simonmar
fixed: Fixed: […]
8:54 AM Ticket #4225 (RTS -i (heap profiling interval) documentation could be clearer) closed by simonmar
fixed: Fixed; I excluded GC time from the figures reported in the profile. This …
8:52 AM Ticket #3672 (Let Linker.c know about stg_arg_bitmaps) closed by simonmar
fixed: Fixed: […]
6:29 AM Changeset in ghc [0a495e14]at-defaultsatomicsbetter-ho-cardinalitycardinalitycoerciblecoloured-corecpr-sum-typescrosscross-compiler-alienlessdata-kind-syntaxdecision-procedureencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8ghc-axiomsghc-constraint-solverghc-deferghc-lwc2ghc-new-coghc-new-flavorghc-parmake-gsocghc-spjimp-param-classknown-key-serializationlate-dmdlate-lam-liftlocal-gcmonad-compnew-demand-to-mergenewcgno-pred-tyoverlapping-tyfamsprofilingreal-src-loc-spansdocsilent-sc-argssimdsrclocsupercompilertc-arrowstc-untouchablesth-newth-new-7.6ticky-for-all-letstype-holes-branchtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/Cabal-1.20wip/T4404wip/T5084wip/T7704wip/T8545-ghc-7.8wip/T8592wip/T8776wip/T8995-level-generalisationwip/cbv-conv-thunkwip/common-contextwip/cpr-vs-jpwip/exprAritywip/nested-cprwip/pattern-synonymswip/recurs-compatwip/simdwip/th-new by benl@…>
mkDFunUnfolding wants the type of the dfun to be a PredTy
6:29 AM Changeset in ghc [e7f49f77]at-defaultsatomicsbetter-ho-cardinalitycardinalitycoerciblecoloured-corecpr-sum-typescrosscross-compiler-alienlessdata-kind-syntaxdecision-procedureencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8ghc-axiomsghc-constraint-solverghc-deferghc-lwc2ghc-new-coghc-new-flavorghc-parmake-gsocghc-spjimp-param-classknown-key-serializationlate-dmdlate-lam-liftlocal-gcmonad-compnew-demand-to-mergenewcgno-pred-tyoverlapping-tyfamsprofilingreal-src-loc-spansdocsilent-sc-argssimdsrclocsupercompilertc-arrowstc-untouchablesth-newth-new-7.6ticky-for-all-letstype-holes-branchtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/Cabal-1.20wip/T4404wip/T5084wip/T7704wip/T8545-ghc-7.8wip/T8592wip/T8776wip/T8995-level-generalisationwip/cbv-conv-thunkwip/common-contextwip/cpr-vs-jpwip/exprAritywip/nested-cprwip/pattern-synonymswip/recurs-compatwip/simdwip/th-new by benl@…>
Comments and formatting only
1:43 AM Ticket #4308 (LLVM compiles Updates.cmm badly) created by dterei
Simon M. reported that compiled rts/Updates.cmm on x86-64 with the LLVM …

Sep 13, 2010:

11:06 PM Ticket #4307 (Default to all cores for executables compiled with -threaded) created by tim.v2.0
The Haskell wiki shows that you need to both set a compilation flag and a …
5:08 PM Ticket #4302 (Impossible when deriving empty data declaration) closed by simonpj
fixed: Excellent point. This is really the same bug as #4220, but needs a more …
1:50 PM Ticket #4304 (Remove the `-fwarn-lazy-unlifted-bindings` flag) closed by simonmar
wontfix: we're leaving it as a warning.

Sep 12, 2010:

8:38 PM Ticket #4298 ([TYPO] Text.PrettyPrint.HughesPJ) closed by igloo
fixed: Fixed, thanks!
8:31 PM Ticket #4306 (UNPACK can lead to unnecessary copying and wasted stack space) created by Olathe
You can write a pattern-matched function to take only certain components …
11:57 AM Ticket #4305 (Add showCommandForUser to process:System.Process) created by igloo
There are many programs (e.g. ghc and Cabal) which run other programs, and …
10:45 AM Changeset in process [ff697bb]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Whitespace only

Sep 11, 2010:

7:56 PM Ticket #4304 (Remove the `-fwarn-lazy-unlifted-bindings` flag) created by igloo
Remove the -fwarn-lazy-unlifted-bindings flag; typecheck/TcBinds.lhs
6:38 PM Ticket #4303 (Segfault in RTS (apparently only MacOS) FFI related?) created by patperry
The RTS crashes in the middle of a long-running computation involving …
1:48 AM Ticket #4302 (Impossible when deriving empty data declaration) created by mitar
When trying to load following code into GHCi I get an error: […] Code …
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