v22.05.00

Release 22.05 introduces the following new features: 1) multi-dimensional unbound Legate stores, 2) communicator support for Legate tasks with multi-dimensional launch domains, 3) zero-code patching support (lgpatch), 4) unified per-library command-line arguments handling, and 5) NVTX ranges for Legate tasks.

Conda packages for this release are available at https://anaconda.org/legate/legate-core.

New Features

• Simple stream pool for all Legate libraries by @magnatelee in #208
• NVTX integration by @magnatelee in #209
• Adding conda build recipe files by @marcinz in #188
• APIs to declare out-of-range indirects by @magnatelee in #221
• Communicators for N-D task launches by @magnatelee in #182

Improvements

• Add install.py flag to feed -march to legion and legate by @manopapad in #170
• Add support for checking out a commit by @marcinz in #172
• Added allocator rebase pr by @mfoerste4 in #171
• Split up legate/core/legion.py by @bryevdv in #163
• Add script wrapper for zero code-change patching by @bryevdv in #236
• Forward some more relevant env vars through mpirun -x by @manopapad in #180
• Add more type annotations by @bryevdv in #181
• Updates for N-D unbound stores by @magnatelee in #186
• Variety of quality-of-life changes by @magnatelee in #190
• Auto-detect current GPU architecture at install time by @manopapad in #184
• More type annotations by @bryevdv in #189
• Pass -std=c++14 to Legion explicitly by @manopapad in #194
• Bryanv/arg protocol by @bryevdv in #195
• More typing by @bryevdv in #196
• Support for string scalar arguments by @magnatelee in #199
• Flush scheduling window before tree reduction is performed by @magnatelee in #203
• Bump up NumPy version by @magnatelee in #206
• Start requiring C++17 for Legate libraries by @magnatelee in #207
• Raise an exception if there's no usable processor by @magnatelee in #210
• Use ordered sets in requirement analyzers for determinism by @magnatelee in #212
• Type annotations for the rest of the core modules by @magnatelee in #213
• Split ManualTask from other tasks by @bryevdv in #197
• Use updated legion python cleanup API by @manopapad in #217
• Create output directory if it doesn't exist by @manopapad in #218
• Update the Python cleanup interface by @magnatelee in #222
• Bump minpy to 3.8 by @bryevdv in #220
• Update build.sh with specific CPU targeting by @m3vaz in #223
• Use stdlib typing where possible by @bryevdv in #224
• Compile everything using C++17 by @manopapad in #227
• Centralize command line argument parsing in legate.core by @bryevdv in #232
• Launcher flags to configure Nsight Systems by @magnatelee in #234
• Conda recipes improvements by @marcinz in #233
• Use 32-bit integers for type codes by @magnatelee in #239
• Misc small updates by @bryevdv in #238
• Add option to keep profiler/spy dumps by @manopapad in #240
• Use read-write privilege for scatter targets by @magnatelee in #241
• Set target memories for future-backed stores by @magnatelee in #242

Bug Fixes

• Fix for output region by @magnatelee in #175
• Unbound store fix by @magnatelee in #179
• Handle projections to 0D correctly by @magnatelee in #202
• Fix for the constraint solver by @magnatelee in #204
• Fix compile issue with cuda_help.h by @magnatelee in #211
• Pull conda build number into a variable by @marcinz in #216
• Fix unit tests for Legate stores by @magnatelee in #235
• Fix unordered field destruction by @magnatelee in #237
• Update the number of elements correctly in create_output_buffer by @magnatelee in #243
• Use phase barriers to work around the CUDA driver bug (#246) by @marcinz in #247

New Contributors

• @mfoerste4 made their first contribution in #171
• @m3vaz made their first contribution in #223

Full Changelog: v22.03.00...v22.05.00