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a690a9ac90d9bc14b790b6349d73eaaf361b0e58
Nim/lib/system
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Andreas Rumpf a690a9ac90 YRC: threadsafe cycle collection for Nim (#25495) 
First performance numbers:

time tests/arc/torcbench   -- YRC
true peak memory: true

real    0m0,163s
user    0m0,161s
sys     0m0,002s


time tests/arc/torcbench   -- ORC
true peak memory: true

real    0m0,107s
user    0m0,104s
sys     0m0,003s


So it's 1.6x slower. But it's threadsafe and provably correct. (Lean and
model checking via TLA+ used.)

Of course there is always the chance that the implementation is wrong
and doesn't match the model.
2026-02-10 00:04:11 +01:00
..
mm
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00
alloc.nim
remove duplicated module imports (#25411)
2026-01-05 15:14:36 +01:00
ansi_c.nim
Remove Nim signal handler for SIGINT (#25169)
2025-09-17 10:58:21 +02:00
arc.nim
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00
arithmetics.nim
fixes #19983; implements bitmasked bitshifting for all backends (#25390)
2025-12-29 10:25:56 +01:00
assign.nim
fix #20972 fixes invalid and UB codegen case object transitions for both refc and ORC [backport] (#21611)
2023-04-04 12:18:43 +02:00
avltree.nim
make AVL tree node part of the memory regions; fixes hard to reproduce channel crashes
2017-01-31 13:08:47 +01:00
basic_types.nim
moderate system cleanup & refactor (#20355)
2022-09-28 15:28:45 -04:00
bitmasks.nim
tyInt tyUint fit target int bit width (#20829)
2022-12-01 13:34:00 +01:00
cellseqs_v1.nim
orc: fix overflow checking regression (#25089)
2025-09-15 15:08:21 +02:00
cellseqs_v2.nim
orc: fix overflow checking regression (#25089)
2025-09-15 15:08:21 +02:00
cellsets.nim
fixes #4851 [backport] (#24954)
2025-05-16 09:44:13 +02:00
cgprocs.nim
NIR: Nim intermediate representation (#22777)
2023-10-11 17:44:14 +02:00
channels_builtin.nim
remove duplicated module imports (#25411)
2026-01-05 15:14:36 +01:00
chcks.nim
IC progress (#25283)
2025-11-25 12:49:23 +01:00
comparisons.nim
fixes #25488; Strings can be compared against nil (#25489)
2026-02-07 20:46:50 +01:00
compilation.nim
fixes strictdefs warnings continue (#24520)
2024-12-13 15:04:49 +01:00
coro_detection.nim
system.nim cleanup some exported constants which should never have be… (#17909)
2021-05-01 11:10:40 +02:00
countbits_impl.nim
IC: progress (#25339)
2025-12-07 13:07:44 +01:00
ctypes.nim
[docs]: warning for long, culong being OS-dependent (#25012)
2025-06-27 10:49:02 +02:00
cyclebreaker.nim
Ensure that gc interface remains non-raising (#25006)
2025-06-18 14:38:01 +02:00
deepcopy.nim
fixes some strictdefs warnings (#24502)
2024-12-04 18:28:13 +08:00
dollars.nim
add bit type overloads of $ and repr (#24865)
2025-04-12 08:37:36 +02:00
dyncalls.nim
IC: progress (#25314)
2025-12-01 22:59:12 +01:00
embedded.nim
Fixes #25202 (#25244)
2025-10-28 12:48:22 +01:00
exceptions.nim
moderate system cleanup & refactor (#20355)
2022-09-28 15:28:45 -04:00
excpt.nim
IC: progress (#25314)
2025-12-01 22:59:12 +01:00
fatal.nim
Make it so that every feature can be used in panicoverride files (#25300)
2026-01-24 16:01:21 +01:00
formatfloat.nim
move formatfloat out of system (#20195)
2022-08-24 13:38:30 +02:00
gc_common.nim
don't access void* out of alignment in refc GC to avoid UB (#21560)
2023-03-22 22:05:20 +01:00
gc_hooks.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
gc_interface.nim
system.nim refactorings for IC (#25295)
2025-11-19 16:27:31 +01:00
gc_ms.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
gc_regions.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
gc.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
hti.nim
remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)
2024-08-28 20:46:36 +02:00
inclrtl.nim
disable implicit sinkinference for stdlibs (#24803)
2025-03-24 14:07:45 +01:00
indexerrors.nim
properly fix #10053 ; FieldDefect msg now shows discriminant value + lineinfo, in all backends (c,vm,js) (#11955)
2021-08-13 09:35:48 +02:00
indices.nim
Add a document to toOpenArray proc (#23905)
2024-08-01 12:27:10 +08:00
integerops.nim
fixes some strictdefs warnings (#24502)
2024-12-04 18:28:13 +08:00
iterators_1.nim
fixes #22790; use cast suppress AnyEnumConv warnings for enums withou… (#22813)
2023-10-11 17:18:54 +02:00
iterators.nim
fixes #22860; suppress AnyEnumConv warning when iterating over set (#22904)
2023-11-04 08:52:30 +01:00
jssys.nim
js: replace push.apply with for loop for string add [backport] (#25267)
2025-11-07 20:19:50 +08:00
memalloc.nim
system.nim refactorings for IC (#25295)
2025-11-19 16:27:31 +01:00
memory.nim
system.nim: memory must be part of system so that its compilerprocs c… (#25365)
2025-12-18 04:53:09 +01:00
memtracker.nim
Remove Nim signal handler for SIGINT (#25169)
2025-09-17 10:58:21 +02:00
mmdisp.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
nimscript.nim
Fixed nimscript docs (#23938)
2024-08-11 10:35:09 +08:00
orc.nim
orc: fix overflow checking regression (#25089)
2025-09-15 15:08:21 +02:00
osalloc.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
platforms.nim
Add HPPA and sparc64 architectures (#20934)
2022-12-01 12:48:47 +08:00
profiler.nim
'lock levels' are deprecated, now a noop (#20539)
2022-10-11 09:17:09 +02:00
ptrarith.nim
orc: fix overflow checking regression (#25089)
2025-09-15 15:08:21 +02:00
rawquits.nim
remove unnecessary imports (#24465)
2024-11-21 22:10:26 +01:00
repr_impl.nim
properly fix #10053 ; FieldDefect msg now shows discriminant value + lineinfo, in all backends (c,vm,js) (#11955)
2021-08-13 09:35:48 +02:00
repr_v2.nim
add bit type overloads of $ and repr (#24865)
2025-04-12 08:37:36 +02:00
repr.nim
fixes #23304; uses snprintf instead of sprintf (#23322)
2024-02-20 07:28:45 +01:00
reprjs.nim
fixes JS semicolon omissions (#23896)
2024-07-26 20:45:52 +02:00
seqs_v2_reimpl.nim
arc allocation method aligned (#15588)
2020-10-19 14:50:06 +02:00
seqs_v2.nim
orc: fix overflow checking regression (#25089)
2025-09-15 15:08:21 +02:00
setops.nim
warn on set types bigger than max size, default to 0..255 for int literals (#21659)
2023-04-17 20:55:22 +02:00
sets.nim
IC: progress (#25339)
2025-12-07 13:07:44 +01:00
stacktraces.nim
fixes #25306; Dangling pointers in stack traces with -d:nimStackTraceOverride (#25313)
2025-12-05 07:52:35 +01:00
strmantle.nim
makes DuplicateModuleImport back to an error (#25178)
2025-09-18 20:50:46 +02:00
strs_v2.nim
IC progress (#25283)
2025-11-25 12:49:23 +01:00
sysmem.nim
system.nim: memory must be part of system so that its compilerprocs c… (#25365)
2025-12-18 04:53:09 +01:00
sysstr.nim
Ensure channels don't leak exception effects (#25318)
2025-12-01 22:59:26 +01:00
threadids.nim
Fix FreeBSD getThreadId() should use different syscall definition for 64bit platforms. (#24977)
2025-06-05 14:30:07 +02:00
threadimpl.nim
system.nim refactorings for IC (#25295)
2025-11-19 16:27:31 +01:00
threadlocalstorage.nim
fixes some strictdefs warnings (#24502)
2024-12-04 18:28:13 +08:00
timers.nim
miscellaneous bug fixes (#13291)
2020-01-30 10:54:50 +01:00
yrc_proof.lean
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00
yrc_proof.tla
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00
yrc.nim
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00