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* Modules: Utils and Data (#13009)Sylvain Henry2020-04-262-2/+2
| | | | | | | Update Haddock submodule Metric Increase: haddock.compiler
* PPC NCG: Add DWARF constants and debug labelsPeter Trommler2020-04-221-2/+1
| | | | Fixes #11261
* testsuite: Flush stdout buffers in InitEventLoggingBen Gamari2020-02-263-2/+7
| | | | | Otherwise we are sensitive to libc's buffering strategy. Similar to the issue fixed in 543dfaab166c81f46ac4af76918ce32190aaab22.
* check for safe arguments, raising error when invalid (fix #17720)Stefan Pavikevik2020-02-245-0/+25
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* Modules: Driver (#13009)Sylvain Henry2020-02-211-1/+1
| | | | submodule updates: nofib, haddock
* Module hierarchy: ByteCode and Runtime (cf #13009)Sylvain Henry2020-02-127-7/+7
| | | | Update haddock submodule
* testsuite: Fix -Wcompat-unqualified-imports issuesBen Gamari2020-02-083-3/+3
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* Fix hs_try_putmvar losing track of running capDylan Yudaken2020-02-082-0/+23
| | | | If hs_try_putmvar was called through an unsafe import, it would lose track of the running cap causing a deadlock
* Fix chaining tagged and untagged ptrs in compacting GCÖmer Sinan Ağacan2020-01-253-0/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently compacting GC has the invariant that in a chain all fields are tagged the same. However this does not really hold: root pointers are not tagged, so when we thread a root we initialize a chain without a tag. When the pointed objects is evaluated and we have more pointers to it from the heap, we then add *tagged* fields to the chain (because pointers to it from the heap are tagged), ending up chaining fields with different tags (pointers from roots are NOT tagged, pointers from heap are). This breaks the invariant and as a result compacting GC turns tagged pointers into non-tagged. This later causes problem in the generated code where we do reads assuming that the pointer is aligned, e.g. 0x7(%rax) -- assumes that pointer is tagged 1 which causes misaligned reads. This caused #17088. We fix this using the "pointer tagging for large families" patch (#14373, !1742): - With the pointer tagging patch the GC can know what the tagged pointer to a CONSTR should be (previously we'd need to know the family size -- large families are always tagged 1, small families are tagged depending on the constructor). - Since we now know what the tags should be we no longer need to store the pointer tag in the info table pointers when forming chains in the compacting GC. As a result we no longer need to tag pointers in chains with 1/2 depending on whether the field points to an info table pointer, or to another field: an info table pointer is always tagged 0, everything else in the chain is tagged 1. The lost tags in pointers can be retrieved by looking at the info table. Finally, instead of using tag 1 for fields and tag 0 for info table pointers, we use two different tags for fields: - 1 for fields that have untagged pointers - 2 for fields that have tagged pointers When unchaining we then look at the pointer to a field, and depending on its tag we either leave a tagged pointer or an untagged pointer in the field. This allows chaining untagged and tagged fields together in compacting GC. Fixes #17088 Nofib results ------------- Binaries are smaller because of smaller `Compact.c` code. make mode=fast EXTRA_RUNTEST_OPTS="-cachegrind" EXTRA_HC_OPTS="-with-rtsopts=-c" NoFibRuns=1 -------------------------------------------------------------------------------- Program Size Allocs Instrs Reads Writes -------------------------------------------------------------------------------- CS -0.3% 0.0% +0.0% +0.0% +0.0% CSD -0.3% 0.0% +0.0% +0.0% +0.0% FS -0.3% 0.0% +0.0% -0.0% -0.0% S -0.3% 0.0% +5.4% +0.8% +3.9% VS -0.3% 0.0% +0.0% -0.0% -0.0% VSD -0.3% 0.0% -0.0% -0.0% -0.2% VSM -0.3% 0.0% +0.0% +0.0% +0.0% anna -0.1% 0.0% +0.0% +0.0% +0.0% ansi -0.3% 0.0% +0.1% +0.0% +0.0% atom -0.2% 0.0% +0.0% +0.0% +0.0% awards -0.2% 0.0% +0.0% 0.0% -0.0% banner -0.3% 0.0% +0.0% +0.0% +0.0% bernouilli -0.3% 0.0% +0.1% +0.0% +0.0% binary-trees -0.2% 0.0% +0.0% 0.0% +0.0% boyer -0.3% 0.0% +0.2% +0.0% +0.0% boyer2 -0.2% 0.0% +0.2% +0.1% +0.0% bspt -0.2% 0.0% +0.0% +0.0% +0.0% cacheprof -0.2% 0.0% +0.0% +0.0% +0.0% calendar -0.3% 0.0% +0.0% +0.0% +0.0% cichelli -0.3% 0.0% +1.1% +0.2% +0.5% circsim -0.2% 0.0% +0.0% -0.0% -0.0% clausify -0.3% 0.0% +0.0% -0.0% -0.0% comp_lab_zift -0.2% 0.0% +0.0% +0.0% +0.0% compress -0.3% 0.0% +0.0% +0.0% +0.0% compress2 -0.3% 0.0% +0.0% -0.0% -0.0% constraints -0.3% 0.0% +0.2% +0.1% +0.1% cryptarithm1 -0.3% 0.0% +0.0% -0.0% 0.0% cryptarithm2 -0.3% 0.0% +0.0% +0.0% +0.0% cse -0.3% 0.0% +0.0% +0.0% +0.0% digits-of-e1 -0.3% 0.0% +0.0% +0.0% +0.0% digits-of-e2 -0.3% 0.0% +0.0% +0.0% -0.0% dom-lt -0.2% 0.0% +0.0% +0.0% +0.0% eliza -0.2% 0.0% +0.0% +0.0% +0.0% event -0.3% 0.0% +0.1% +0.0% -0.0% exact-reals -0.2% 0.0% +0.0% +0.0% +0.0% exp3_8 -0.3% 0.0% +0.0% +0.0% +0.0% expert -0.2% 0.0% +0.0% +0.0% +0.0% fannkuch-redux -0.3% 0.0% -0.0% -0.0% -0.0% fasta -0.3% 0.0% +0.0% +0.0% +0.0% fem -0.2% 0.0% +0.1% +0.0% +0.0% fft -0.2% 0.0% +0.0% -0.0% -0.0% fft2 -0.2% 0.0% +0.0% -0.0% +0.0% fibheaps -0.3% 0.0% +0.0% -0.0% -0.0% fish -0.3% 0.0% +0.0% +0.0% +0.0% fluid -0.2% 0.0% +0.4% +0.1% +0.1% fulsom -0.2% 0.0% +0.0% +0.0% +0.0% gamteb -0.2% 0.0% +0.1% +0.0% +0.0% gcd -0.3% 0.0% +0.0% +0.0% +0.0% gen_regexps -0.3% 0.0% +0.0% -0.0% -0.0% genfft -0.3% 0.0% +0.0% +0.0% +0.0% gg -0.2% 0.0% +0.7% +0.3% +0.2% grep -0.2% 0.0% +0.0% +0.0% +0.0% hidden -0.2% 0.0% +0.0% +0.0% +0.0% hpg -0.2% 0.0% +0.1% +0.0% +0.0% ida -0.3% 0.0% +0.0% +0.0% +0.0% infer -0.2% 0.0% +0.0% -0.0% -0.0% integer -0.3% 0.0% +0.0% +0.0% +0.0% integrate -0.2% 0.0% +0.0% +0.0% +0.0% k-nucleotide -0.2% 0.0% +0.0% +0.0% -0.0% kahan -0.3% 0.0% -0.0% -0.0% -0.0% knights -0.3% 0.0% +0.0% -0.0% -0.0% lambda -0.3% 0.0% +0.0% -0.0% -0.0% last-piece -0.3% 0.0% +0.0% +0.0% +0.0% lcss -0.3% 0.0% +0.0% +0.0% 0.0% life -0.3% 0.0% +0.0% -0.0% -0.0% lift -0.2% 0.0% +0.0% +0.0% +0.0% linear -0.2% 0.0% +0.0% +0.0% +0.0% listcompr -0.3% 0.0% +0.0% +0.0% +0.0% listcopy -0.3% 0.0% +0.0% +0.0% +0.0% maillist -0.3% 0.0% +0.0% -0.0% -0.0% mandel -0.2% 0.0% +0.0% +0.0% +0.0% mandel2 -0.3% 0.0% +0.0% +0.0% +0.0% mate -0.2% 0.0% +0.0% +0.0% +0.0% minimax -0.3% 0.0% +0.0% +0.0% +0.0% mkhprog -0.2% 0.0% +0.0% +0.0% +0.0% multiplier -0.3% 0.0% +0.0% -0.0% -0.0% n-body -0.2% 0.0% -0.0% -0.0% -0.0% nucleic2 -0.2% 0.0% +0.0% +0.0% +0.0% para -0.2% 0.0% +0.0% -0.0% -0.0% paraffins -0.3% 0.0% +0.0% -0.0% -0.0% parser -0.2% 0.0% +0.0% +0.0% +0.0% parstof -0.2% 0.0% +0.8% +0.2% +0.2% pic -0.2% 0.0% +0.1% -0.1% -0.1% pidigits -0.3% 0.0% +0.0% +0.0% +0.0% power -0.2% 0.0% +0.0% -0.0% -0.0% pretty -0.3% 0.0% -0.0% -0.0% -0.1% primes -0.3% 0.0% +0.0% +0.0% -0.0% primetest -0.2% 0.0% +0.0% -0.0% -0.0% prolog -0.3% 0.0% +0.0% -0.0% -0.0% puzzle -0.3% 0.0% +0.0% +0.0% +0.0% queens -0.3% 0.0% +0.0% +0.0% +0.0% reptile -0.2% 0.0% +0.2% +0.1% +0.0% reverse-complem -0.3% 0.0% +0.0% +0.0% +0.0% rewrite -0.3% 0.0% +0.0% -0.0% -0.0% rfib -0.2% 0.0% +0.0% +0.0% -0.0% rsa -0.2% 0.0% +0.0% +0.0% +0.0% scc -0.3% 0.0% -0.0% -0.0% -0.1% sched -0.3% 0.0% +0.0% +0.0% +0.0% scs -0.2% 0.0% +0.1% +0.0% +0.0% simple -0.2% 0.0% +3.4% +1.0% +1.8% solid -0.2% 0.0% +0.0% +0.0% +0.0% sorting -0.3% 0.0% +0.0% +0.0% +0.0% spectral-norm -0.2% 0.0% -0.0% -0.0% -0.0% sphere -0.2% 0.0% +0.0% +0.0% +0.0% symalg -0.2% 0.0% +0.0% +0.0% +0.0% tak -0.3% 0.0% +0.0% +0.0% -0.0% transform -0.2% 0.0% +0.2% +0.1% +0.1% treejoin -0.3% 0.0% +0.2% -0.0% -0.1% typecheck -0.3% 0.0% +0.0% +0.0% +0.0% veritas -0.1% 0.0% +0.0% +0.0% +0.0% wang -0.2% 0.0% +0.0% -0.0% -0.0% wave4main -0.3% 0.0% +0.0% -0.0% -0.0% wheel-sieve1 -0.3% 0.0% +0.0% -0.0% -0.0% wheel-sieve2 -0.3% 0.0% +0.0% -0.0% -0.0% x2n1 -0.3% 0.0% +0.0% +0.0% +0.0% -------------------------------------------------------------------------------- Min -0.3% 0.0% -0.0% -0.1% -0.2% Max -0.1% 0.0% +5.4% +1.0% +3.9% Geometric Mean -0.3% -0.0% +0.1% +0.0% +0.1% -------------------------------------------------------------------------------- Program Size Allocs Instrs Reads Writes -------------------------------------------------------------------------------- circsim -0.2% 0.0% +1.6% +0.4% +0.7% constraints -0.3% 0.0% +4.3% +1.5% +2.3% fibheaps -0.3% 0.0% +3.5% +1.2% +1.3% fulsom -0.2% 0.0% +3.6% +1.2% +1.8% gc_bench -0.3% 0.0% +4.1% +1.3% +2.3% hash -0.3% 0.0% +6.6% +2.2% +3.6% lcss -0.3% 0.0% +0.7% +0.2% +0.7% mutstore1 -0.3% 0.0% +4.8% +1.4% +2.8% mutstore2 -0.3% 0.0% +3.4% +1.0% +1.7% power -0.2% 0.0% +2.7% +0.6% +1.9% spellcheck -0.3% 0.0% +1.1% +0.4% +0.4% -------------------------------------------------------------------------------- Min -0.3% 0.0% +0.7% +0.2% +0.4% Max -0.2% 0.0% +6.6% +2.2% +3.6% Geometric Mean -0.3% +0.0% +3.3% +1.0% +1.8% Metric changes -------------- While it sounds ridiculous, this change causes increased allocations in the following tests. We concluded that this change can't cause a difference in allocations and decided to land this patch. Fluctuations in "bytes allocated" metric is tracked in #17686. Metric Increase: Naperian T10547 T12150 T12234 T12425 T13035 T5837 T6048
* testsuite: Disable derefnull when built with LLVMBen Gamari2019-12-301-4/+4
| | | | | | LLVM does not guarantee any particular semantics when dereferencing null pointers. Consequently, this test actually passes when built with the LLVM backend.
* testsuite: Mark T5435_* tests as broken on ARMBen Gamari2019-12-171-6/+16
| | | | | `T5435_v_asm_a`, `T5435_v_asm_b`, and `T5435_v_gcc` all fail on ARMv7. See #17559.
* testsuite: Disable divByZero on non-NCG targetsBen Gamari2019-12-051-0/+4
| | | | | The LLVM backend does not guarantee any particular semantics for division by zero, making this test unreliable across platforms.
* rts: Expose interface for configuring EventLogWritersBen Gamari2019-11-234-0/+55
| | | | | | This exposes a set of interfaces from the GHC API for configuring EventLogWriters. These can be used by consumers like [ghc-eventlog-socket](https://github.com/bgamari/ghc-eventlog-socket).
* testsuite: Increase width of stack003 testBen Gamari2019-11-191-5/+11
| | | | | | Previously the returned tuple seemed to fit in registers on amd64. This meant that non-moving collector bug would cause the test to fail on i386 yet not amd64.
* testsuite: Mark T13676 as broken on Darwin and WindowsBen Gamari2019-11-091-2/+3
| | | | Due to #17447.
* testsuite: Fix header #include order on WindowsBen Gamari2019-11-091-2/+3
| | | | <Rts.h> must always come first.
* Testsuite: Introduce req_rts_linkerStefan Schulze Frielinghaus2019-11-083-10/+7
| | | | | Some tests depend on the RTS linker. Introduce a modifier to skip such tests, in case the RTS linker is not available.
* testsuite: skip test requiring RTS linker on PowerPCPeter Trommler2019-11-052-8/+5
| | | | | | | | | | The RTS linker is not available on 64-bit PowerPC. Instead of marking tests that require the RTS linker as broken on PowerPC 64-bit skip the respective tests on all platforms where the RTS linker or a statically linked external interpreter is not available. Fixes #11259
* Merge non-moving garbage collectorBen Gamari2019-10-232-41/+95
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This introduces a concurrent mark & sweep garbage collector to manage the old generation. The concurrent nature of this collector typically results in significantly reduced maximum and mean pause times in applications with large working sets. Due to the large and intricate nature of the change I have opted to preserve the fully-buildable history, including merge commits, which is described in the "Branch overview" section below. Collector design ================ The full design of the collector implemented here is described in detail in a technical note > B. Gamari. "A Concurrent Garbage Collector For the Glasgow Haskell > Compiler" (2018) This document can be requested from @bgamari. The basic heap structure used in this design is heavily inspired by > K. Ueno & A. Ohori. "A fully concurrent garbage collector for > functional programs on multicore processors." /ACM SIGPLAN Notices/ > Vol. 51. No. 9 (presented at ICFP 2016) This design is intended to allow both marking and sweeping concurrent to execution of a multi-core mutator. Unlike the Ueno design, which requires no global synchronization pauses, the collector introduced here requires a stop-the-world pause at the beginning and end of the mark phase. To avoid heap fragmentation, the allocator consists of a number of fixed-size /sub-allocators/. Each of these sub-allocators allocators into its own set of /segments/, themselves allocated from the block allocator. Each segment is broken into a set of fixed-size allocation blocks (which back allocations) in addition to a bitmap (used to track the liveness of blocks) and some additional metadata (used also used to track liveness). This heap structure enables collection via mark-and-sweep, which can be performed concurrently via a snapshot-at-the-beginning scheme (although concurrent collection is not implemented in this patch). Implementation structure ======================== The majority of the collector is implemented in a handful of files: * `rts/Nonmoving.c` is the heart of the beast. It implements the entry-point to the nonmoving collector (`nonmoving_collect`), as well as the allocator (`nonmoving_allocate`) and a number of utilities for manipulating the heap. * `rts/NonmovingMark.c` implements the mark queue functionality, update remembered set, and mark loop. * `rts/NonmovingSweep.c` implements the sweep loop. * `rts/NonmovingScav.c` implements the logic necessary to scavenge the nonmoving heap. Branch overview =============== ``` * wip/gc/opt-pause: | A variety of small optimisations to further reduce pause times. | * wip/gc/compact-nfdata: | Introduce support for compact regions into the non-moving |\ collector | \ | \ | | * wip/gc/segment-header-to-bdescr: | | | Another optimization that we are considering, pushing | | | some segment metadata into the segment descriptor for | | | the sake of locality during mark | | | | * | wip/gc/shortcutting: | | | Support for indirection shortcutting and the selector optimization | | | in the non-moving heap. | | | * | | wip/gc/docs: | |/ Work on implementation documentation. | / |/ * wip/gc/everything: | A roll-up of everything below. |\ | \ | |\ | | \ | | * wip/gc/optimize: | | | A variety of optimizations, primarily to the mark loop. | | | Some of these are microoptimizations but a few are quite | | | significant. In particular, the prefetch patches have | | | produced a nontrivial improvement in mark performance. | | | | | * wip/gc/aging: | | | Enable support for aging in major collections. | | | | * | wip/gc/test: | | | Fix up the testsuite to more or less pass. | | | * | | wip/gc/instrumentation: | | | A variety of runtime instrumentation including statistics | | / support, the nonmoving census, and eventlog support. | |/ | / |/ * wip/gc/nonmoving-concurrent: | The concurrent write barriers. | * wip/gc/nonmoving-nonconcurrent: | The nonmoving collector without the write barriers necessary | for concurrent collection. | * wip/gc/preparation: | A merge of the various preparatory patches that aren't directly | implementing the GC. | | * GHC HEAD . . . ```
| * testsuite: Don't run T7160 in nonmoving_thr waysBen Gamari2019-10-221-1/+1
| | | | | | | | The nonmoving way finalizes things in a different order.
| * testsuite: bug1010 requires -c, which isn't supported by nonmovingBen Gamari2019-10-221-1/+4
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| * testsuite: Ensure that threaded tests are run in nonmoving_thrBen Gamari2019-10-221-2/+6
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| * rts/BlockAlloc: Allow aligned allocation requestswip/gc/aligned-block-allocationÖmer Sinan Ağacan2019-10-181-37/+84
| | | | | | | | | | | | | | | | | | | | | | This implements support for block group allocations which are aligned to an integral number of blocks. This will be used by the nonmoving garbage collector, which uses the block allocator to allocate the segments which back its heap. These segments are a fixed number of blocks in size, with each segment being aligned to the segment size boundary. This allows us to easily find the segment metadata stored at the beginning of the segment.
* | Windows: Update tarballs to GCC 9.2 and remove MAX_PATH limit.Tamar Christina2019-10-202-2/+2
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* Skip T13767 on DarwinVladislav Zavialov2019-10-121-1/+3
| | | | | | | | | | | | | The CI job fails with: +++ rts/T13676.run/T13676.run.stderr.normalised 2019-10-09 12:27:56.000000000 -0700 @@ -0,0 +1,4 @@ +dyld: Library not loaded: @rpath/libHShaskeline-0.7.5.0-ghc8.9.0.20191009.dylib + Referenced from: /Users/builder/builds/ewzE5N2p/0/ghc/ghc/inplace/lib/bin/ghc + Reason: image not found +*** Exception: readCreateProcess: '/Users/builder/builds/ewzE5N2p/0/ghc/ghc/inplace/lib/bin/ghc' '-B/Users/builder/builds/ewzE5N2p/0/ghc/ghc/inplace/lib' '-e' ''/''$'/'' == '/''/x0024'/''' +RTS '-tT13676.t' (exit -6): failed Unable to reproduce locally.
* Escape stats file command (#13676)Vladislav Zavialov2019-10-123-0/+49
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* Add new debug flag -DZTobias Guggenmos2019-10-033-0/+3
| | | | Zeros heap memory after gc freed it.
* Expunge #ifdef and #ifndef from the codebaseJohn Ericson2019-07-144-9/+9
| | | | | | | | These are unexploded minds as far as the linter is concerned. I don't want to hit in my MRs by mistake! I did this with `sed`, and then rolled back some changes in the docs, config.guess, and the linter itself.
* testsuite: Ensure T5423 flushes C output bufferBen Gamari2019-06-164-3/+15
| | | | | | Previously T5423 would fail to flush the printf output buffer. Consequently it was platform-dependent whether the C or Haskell print output would be emitted first.
* testsuite: Add assertions that way lists are in fact listsBen Gamari2019-06-151-1/+1
| | | | | | Previously there were a few cases where operations like `omit_ways` were incorrectly passed a single way (e.g. `omit_ways('threaded2')`). This won't work as the author expected.
* testsuite: Fix omit_ways usageBen Gamari2019-06-121-1/+1
| | | | omit_ways expects a list but this was broken in several cases.
* testsuite: Skip T7919 in ghci wayBen Gamari2019-06-121-1/+2
| | | | | It times out pretty reliably. It's not clear that much is gained by running this test in the ghci way anyways.
* testsuite: Mark T2783 as fragile in threaded1Ben Gamari2019-06-121-1/+1
| | | | | It was previously marked as broken but it passes non-deterministically. See #2783.
* testsuite: Add test for #16514Ben Gamari2019-06-094-0/+68
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* Use binary search to speedup checkUnloadPhuong Trinh2019-05-308-0/+234
| | | | | | | | | We are iterating through all object code for each heap objects when checking whether object code can be unloaded. For large projects in GHCi, this can be very expensive due to the large number of object code that needs to be loaded/unloaded. To speed it up, this arrangess all mapped sections of unloaded object code in a sorted array and use binary search to check if an address location fall on them.
* testsuite: fix ifdef lint errors under tests/rts/linkerArtem Pyanykh2019-04-213-3/+3
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* testsuite: move tests related to linker under tests/rts/linkerArtem Pyanykh2019-04-2153-162/+170
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* Update a panic messageÖmer Sinan Ağacan2019-04-116-12/+12
| | | | Point users to the right URL
* Directly test section alignment, fix internal reloc probing lengthArtem Pyanykh2019-03-206-22/+22
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* Add a linker test re: section alignmentArtem Pyanykh2019-03-204-0/+28
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* Address some todos and fixmesArtem Pyanykh2019-03-206-10/+10
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* Adjust section placement and relocation logic for Mach-OArtem Pyanykh2019-03-206-0/+95
| | | | | | | | | | | | | | 1. Place each section on a separate page to ensure required alignment (wastes lots ot space, needs to be improved). 2. Unwire relocation logic from macho sections (the most fiddly part is adjusting internal relocations). Other todos: 0. Add a test for section alignment. 1. Investigate 32bit relocations! 2. Fix memory leak in ZEROPAGE section allocation. 3. Fix creating redundant jump islands for GOT. 4. Investigate more compact section placement.
* testsuite: Mark T10672 as brokenBen Gamari2019-03-201-2/+4
| | | | | | | This test, which is only run on Windows, seems to be reliably timing out. See #16390.
* Update Trac ticket URLs to point to GitLabRyan Scott2019-03-151-1/+1
| | | | | This moves all URL references to Trac tickets to their corresponding GitLab counterparts.
* Testsuite: use 'fragile' instead of 'skip' for T3424, T14697Vladislav Zavialov2019-03-081-9/+7
| | | | | Also, replace some tabs with spaces to avoid a "mixed indent" warning that vim gives me.
* RTS: Add missing memory barrierPeter Trommler2019-02-271-3/+6
| | | | | | | | | | | | | In the work stealing queue a load-load-barrier is required to ensure that a read of queue data cannot be reordered before a read of the bottom pointer into the queue. The added load-load-barrier ensures that the ordering of writes enforced at the end of `pushWSDeque` is also respected in the order of reads in `stealWSDeque_`. In other words, when reading `q->bottom` we want to make sure that we see the updates to `q->elements`. Fixes #13633
* Skip T3424 when fast()wip/test-t3424Vladislav Zavialov2019-02-261-0/+1
| | | | 14586f5d removed this by accident.
* Disable fragile test cases: T14697 T5559 T3424Vladislav Zavialov2019-02-241-3/+7
| | | | See Trac #15072, Trac #16349, Trac #16350
* testsuite: Use makefile_testBen Gamari2019-01-3010-77/+52
| | | | | This eliminates most uses of run_command in the testsuite in favor of the more structured makefile_test.
* Revert "Batch merge"Ben Gamari2019-01-3010-52/+77
| | | | This reverts commit 76c8fd674435a652c75a96c85abbf26f1f221876.
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