{2} Tasks by priority (250 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#8323 explore ways to possibly use more tag bits in x86_64 pointers Compiler 7.7 normal infoneeded Sep 17, 2013
#13134 Simplifier ticks exhausted Compiler 8.0.2 low infoneeded Jan 16, 2017
#13691 Bump time submodule Compiler 8.0.1 highest 8.2.1 new May 12, 2017
#12623 Make Harbormaster less terrible in the face of submodule updates Compiler 8.0.1 highest new Sep 26, 2016
#13745 Investigate compile-time regressions in regex-tdfa-1.2.2 Compiler 8.0.1 high 8.2.1 new May 22, 2017
#10068 Make the runtime reflection API for names, modules, locations more systematic Compiler 7.8.4 high 8.4.1 new Feb 6, 2015
#10074 Implement the 'Improved LLVM Backend' proposal Compiler (LLVM) high 8.4.1 angerman new Feb 9, 2015
#10892 ApplicativeDo should use *> and <* Compiler 7.11 high 8.4.1 bollu new Sep 18, 2015
#13540 Enable -msse2 by default on i386 Compiler 8.0.1 high 8.4.1 bgamari new Apr 6, 2017
#13561 Remove unsafe Chan combinators Compiler 8.0.1 high 8.4.1 new Apr 10, 2017
#13650 Implement KPush in types Compiler high 8.4.1 goldfire new May 5, 2017
#8050 add a required wrapper around plugin installers Compiler 7.6.3 normal new Jul 10, 2013
#8096 Add fudge-factor for performance tests run on non-validate builds Build System 7.7 normal new Jul 27, 2013
#8317 Optimize tagToEnum# at Core level Compiler 7.7 normal new Sep 17, 2013
#8326 Place heap checks common in case alternatives before the case Compiler 7.7 normal new Sep 18, 2013
#8488 Annotations should not distinguish type and value Compiler 7.6.3 normal errge new Oct 30, 2013
#8578 Improvements to SpinLock implementation Runtime System 7.7 normal new Nov 30, 2013
#8597 Git Hook script to prevent large binary blobs being checked in Trac & Git normal hvr new Dec 6, 2013
#8598 IO hack in demand analyzer gets in the way of CPR Compiler 7.6.3 normal new Dec 6, 2013
#8655 Evaluate know-to-terminate-soon thunks Compiler 7.6.3 normal new Jan 6, 2014
#9534 IEEE Standard 754 for Binary Floating-Point Arithmetic by Prof. W. Kahan, UCB Test Suite 7.8.3 normal new Aug 31, 2014
#9542 GHC-IO-Handle-Text.hPutStr' and writeBlocks look like they need refactoring Core Libraries 7.8.2 normal new Sep 2, 2014
#9572 nofib target for just building should be part of validate NoFib benchmark suite 7.8.2 normal new Sep 10, 2014
#9718 Avoid TidyPgm predicting what CorePrep will do Compiler 7.8.3 normal new Oct 24, 2014
#9805 Use TrieMaps to speed up type class instance lookup Compiler (Type checker) 7.9 normal ezyang new Nov 17, 2014
#9837 Introduce a logging API to GHC Compiler 7.8.3 normal new Nov 26, 2014
#10143 Separate PprFlags (used by Outputable) from DynFlags Compiler 7.11 normal ezyang new Mar 7, 2015
#10172 Cross-platform sed Build System 7.11 normal new Mar 19, 2015
#10181 Lint check: arity invariant Compiler 7.11 normal new Mar 22, 2015
#10303 Make it easier to print stack traces when debugging GHC itself Compiler 7.10.1 normal new Apr 15, 2015
#10319 Eta expand PAPs Compiler 7.10.1 normal new Apr 17, 2015
#10344 Make BranchList simpler Compiler 7.11 normal goldfire new Apr 23, 2015
#10601 GHC should be distributed with debug symbols Build System normal new Jul 4, 2015
#10735 Smooth out the differences between `compiler/utils/Pretty.hs` and `libraries/pretty` Compiler 7.0.1 normal 8.0.1 new Aug 4, 2015
#13310 Cut a new array release Compiler 8.0.1 normal 8.2.1 hvr new Feb 20, 2017
#13564 Why does memory usage increase so much during CoreTidy? Compiler 8.1 normal 8.2.1 new Apr 11, 2017
#605 Optimisation: strict enumerations Compiler None normal normal 8.4.1 new Oct 6, 2004
#10352 Properly link Haskell shared libs on all systems Compiler (Linking) 7.11 normal 8.4.1 new Apr 24, 2015
#10536 Clear up how to turn off dynamic linking in build.mk Build System 7.10.1 normal 8.4.1 new Jun 16, 2015
#10640 Document prim-ops Documentation 7.10.1 normal 8.4.1 bgamari new Jul 15, 2015
#10962 Improved arithmetic primops Compiler 7.11 normal 8.4.1 new Oct 12, 2015
#11149 Unify fixity/associativity of <>-ish pretty-printing operators Compiler normal 8.4.1 new Nov 30, 2015
#11238 Redesign the dynamic linking on ELF systems Runtime System (Linker) 7.10.3 normal 8.4.1 trommler new Dec 16, 2015
#11359 Consider removing RelaxedLayout and friends Compiler (Parser) 7.10.3 normal 8.4.1 new Jan 6, 2016
#11392 Decide and document how semicolons are supposed to work in GHCi GHCi 7.10.3 normal 8.4.1 new Jan 9, 2016
#11394 Base should use native Win32 IO on Windows Core Libraries 7.10.3 normal 8.4.1 new Jan 9, 2016
#11445 Turn on SplitSections by default Build System 8.0.1-rc1 normal 8.4.1 new Jan 18, 2016
#11472 Remove CallStack CPP guards in GHC 8.4 Compiler 8.0.1-rc1 normal 8.4.1 new Jan 21, 2016
#11654 User Guide: Generate command line options table from ghc-flags directives Documentation 7.10.3 normal 8.4.1 new Feb 27, 2016
#11749 Add long forms for multi-character short-form flags and possibly deprecate short forms Compiler 7.10.3 normal 8.4.1 new Mar 24, 2016
#11767 Add @since annotations for base instances Core Libraries 7.10.3 normal 8.4.1 new Mar 29, 2016
#12090 Document Weverything/Wall/Wextra/Wdefault in user's guide Documentation 8.0.1 normal 8.4.1 hvr new May 20, 2016
#12218 Implement -fexternal-interpreter via static linking Compiler 8.0.1 normal 8.4.1 new Jun 22, 2016
#12599 Add Hadrian build artifacts to gitignore Compiler 8.0.1 normal 8.4.1 bgamari new Sep 15, 2016
#12619 Allow users guide to be built independently from GHC Compiler 8.0.1 normal 8.4.1 new Sep 24, 2016
#12758 Bring sanity to our performance testsuite Test Suite 8.0.1 normal 8.4.1 new Oct 23, 2016
#12765 Don't optimize coercions with -O0 Compiler 8.0.1 normal 8.4.1 new Oct 25, 2016
#12774 bkpcabal02 test fails on OS X Test Suite 8.0.1 normal 8.4.1 new Oct 28, 2016
#12941 Extend nofib with benchmarks focused on compiler performance NoFib benchmark suite normal 8.4.1 michalt new Dec 7, 2016
#12951 Remove __USE_MINGW_ANSI_STDIO define from PosixSource.h Compiler 8.0.1 normal 8.4.1 new Dec 9, 2016
#12999 Investigate use of floating-point arithmetic in I/O Event-handler libraries/base 8.0.1 normal 8.4.1 new Dec 18, 2016
#13008 Cleanup backwards compatibility ifdefs due to stage1 external interpreter work Compiler 8.1 normal 8.4.1 new Dec 20, 2016
#13072 Move large tuples to a separate module in base libraries/base 8.1 normal 8.4.1 rwbarton new Jan 5, 2017
#13182 Rethinking dataToTag# Compiler 8.1 normal 8.4.1 new Jan 24, 2017
#13279 Check known-key lists Compiler 8.1 normal 8.4.1 dfeuer new Feb 13, 2017
#13280 Consider deriving more Foldable methods Compiler 8.0.1 normal 8.4.1 dfeuer new Feb 14, 2017
#13309 Use liftA2 in ApplicativeDo Compiler 8.1 normal 8.4.1 AaronFriel new Feb 20, 2017
#13311 Audit shady uses of tcSplitSigmaTy Compiler (Type checker) 8.1 normal 8.4.1 RyanGlScott new Feb 21, 2017
#13346 Run nofib with -fspec-constr-keen Compiler 8.0.1 normal 8.4.1 new Feb 27, 2017
#13357 Check demand signatures for catchRetry# and catchSTM# Compiler 8.0.1 normal 8.4.1 new Mar 1, 2017
#13364 Remove checkValidTelescope Compiler 8.0.1 normal 8.4.1 goldfire new Mar 2, 2017
#13448 Make HPC use an RTS option to select the tix file Code Coverage 8.1 normal 8.4.1 dfeuer new Mar 19, 2017
#13613 Simplify fixIO Core Libraries 8.0.1 normal 8.4.1 new Apr 24, 2017
#13636 Enable -Wcpp-undef Compiler 8.3 normal 8.4.1 new May 1, 2017
#618 Dependency caching in ghc --make Compiler None normal normal new May 5, 2001
#634 Implement a more efficient TArray Runtime System 6.4.1 normal normal new Dec 15, 2005
#701 Better CSE optimisation Compiler 6.4.1 normal normal michalt new Feb 20, 2006
#855 Improvements to SpecConstr Compiler 6.4.2 normal normal new Aug 9, 2006
#932 Improve inlining Compiler 6.4.2 normal normal simonpj new Oct 11, 2006
#1371 Add -O3 Compiler 6.6.1 normal normal new May 22, 2007
#3511 port GHC to OpenBSD/sparc64 (unregisterised is fine) Compiler (NCG) 6.11 normal normal new Sep 14, 2009
#4941 SpecConstr generates functions that do not use their arguments Compiler 7.0.1 normal new Feb 1, 2011
#5793 make nofib awesome NoFib benchmark suite normal michalt new Jan 18, 2012
#9588 Add `MonadPlus (Either e)` and `Alternative (Either e)` instances Core Libraries normal hvr new Sep 13, 2014
#12486 Investigate removing libGCC symbols from RtsSymbols.c Runtime System (Linker) 8.0.1 normal new Aug 12, 2016
#624 Program location for thread error messages Compiler None normal normal new Jun 3, 2001
#609 Useful optimisation for set-cost-centre Profiling None normal normal simonmar new Feb 2, 2005
#888 Implement the static argument transformation Compiler 6.4.2 normal normal new Sep 4, 2006
#1349 Generalise the ! and UNPACK mechanism for data types, to unpack function arguments Compiler 6.6.1 normal normal new May 11, 2007
#3379 GHC should use the standard binary package Compiler 6.10.4 normal normal new Jul 17, 2009
#4211 LLVM: Stack alignment on OSX Compiler (LLVM) 6.13 normal dterei new Jul 23, 2010
#4243 Make a proper options parser for the RTS Runtime System 6.13 normal new Aug 5, 2010
#4295 Review higher-rank and impredicative types Compiler (Type checker) 6.12.3 normal simonpj new Sep 7, 2010
#4374 Remove in-tree gmp Build System 7.1 normal new Oct 6, 2010
#5143 Soft heap limit flag Runtime System 7.0.3 normal simonmar new Apr 20, 2011
#5567 LLVM: Improve alias analysis / performance Compiler (LLVM) normal dterei new Oct 18, 2011
#5791 Defer other kinds of errors until runtime, not just type errors Compiler 7.2.2 normal new Jan 17, 2012
#6017 Reading ./.ghci files raises security issues GHCi 7.4.1 normal new Apr 18, 2012
#7829 make better/more robust loopbreaker choices Compiler 7.6.2 normal new Apr 11, 2013
#7917 update documentation of InstalledPackageInfo Documentation 7.6.3 normal new May 17, 2013
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