Tasking support - #106

Draft

krasow wants to merge 26 commits into

experimental/tasking

Commits on Sep 19, 2026

Commits on Sep 20, 2026

Remove duplicate GPU create_julia_task; tasks.jl handles both backends
krasow
committed
31e7d30
Fix create_library: UFI async system is initialized once in init_ufi
krasow
committed
d240753
Add copyto!(LogicalArray, Array) for Array-to-store copies
krasow
committed
4a9f268
Fix UFI deadlock: run poller on a real thread and give dev-CI tests threads
krasow
committed
dda7830
Defer Legate handle frees to the launch thread to fix multithreaded finalizer crash
krasow
committed
a0ecdc6
Run tasking tests with -t N,1 so the caller uses the interactive thread
krasow
committed
8192140
Build the C++ wrapper with all available cores
krasow
committed
2854028
Support partitioned tasks: pass tile strides, copy tiles to/from dense buffers
krasow
committed
9dfb3de
Defer all wrapped Legate handle destruction to the launch thread (fixes 1.12 finalizer segfault)
krasow
committed
f779213
Support GPU tasks in the UFI: register CUDAExt, GC-safe get_ptr, precompile kernels at submit
krasow
committed
e99100f
Support partitioned GPU tasks: gather/scatter strided tiles on the device
krasow
committed
ce18e09

Commits on Sep 21, 2026

Gate get_ptr GC-safe path on active GPU tasking to avoid CPU shutdown regression
krasow
committed
8098671
Fix shutdown SIGSEGV on Julia 1.12+/1.13: leak deferred-free singletons, disable finalizers before legate_finish
krasow
committed
1f27a0e
Trace shutdown steps to stderr to localize the 1.12/1.13 shutdown segfault
krasow
committed
e033522
Join UFI poller/workers before legate_finish to fix the 1.12/1.13 shutdown race
krasow
committed
9321367
Remove the timer reinforcing shutdown mechanism
krasow
committed
b179e05
Add CPU tasking stress test to CI
krasow
committed
8902688
1.10 and 1.11 GC safe ccalls
krasow
committed
54d0aa7
try gc_safe = true on 1.12
krasow
committed
6924212
refactor ufi interface
krasow
committed
87eaf95
thread guard for --threads 1,0. This is default config on 1.10 and 1.11
krasow
committed
59eb2da

Commits on Sep 25, 2026

Bloat constraint for halo exchange boundaries (#107)
krasow
authored
4662da3