v22.01.00

Release 22.01 introduces APIs for manual data partitioning and task parallelization to express distributed algorithms that are not data parallel, such as matrix decompositions.

New Features

• Support ingest of external distributed data by @manopapad in #81
• Support for manual partitioning by @magnatelee in #120
• Cyclic distribution by @magnatelee in #122
• Make LEGATE_ABORT a statement by @magnatelee in #126
• API for issuing fences by @magnatelee in #128

Improvements

• Support multi-rank mode by @manopapad in #80
• Realm now sets GASNET_PHYSMEM_PROBE/MAX internally by @manopapad in #86
• Replace math.prod with itertools.product by @magnatelee in #88
• Print the command once even if externally launched by @manopapad in #87
• Build system improvements by @manopapad in #101
• Verify the python lib used by Realm matches what user is running by @manopapad in #110
• Add has_fake_dims() check on Stores by @manopapad in #112
• Remove CUDA resource management by @magnatelee in #111
• Debug-printing functions for dense arrays by @manopapad in #115
• No longer need to reserve one dim for reductions by @manopapad in #121
• Flag to use empty tasks by @magnatelee in #129
• Do python install on custom dir w/o eggs by @manopapad in #131

Bug Fixes

• Object cycle fix ported to branch-22.01 by @magnatelee in #85
• Fix product computation by @manopapad in #89
• Bug fix for base mapper (rebased) by @magnatelee in #93
• Fix for Issue 77 (rebased) by @magnatelee in #92
• Keep RegionField alive while any inline mapping remains by @manopapad in #94
• Old versions of NVCC only supported -M, not -MMD, -MF, -MP by @manopapad in #95
• Port legate.core#97 by @manopapad in #98
• Fix for deferred detachments (back-ported) by @magnatelee in #100
• Override keywords to appease Clang by @magnatelee in #104
• Remove an overzealous assertion by @magnatelee in #108
• Fix for set_storage by @magnatelee in #109
• Fix dependency generation for .cu files by @manopapad in #114
• Remove jsrun option not supported on lassen by @manopapad in #116
• Minor bugfix in debugging code by @manopapad in #117
• Pin setuptools version, to work around breaking change by @manopapad in #124
• bug fix in install.py by @sunwayihep in #105
• Don't apply python installation fix under setuptools<60 by @manopapad in #132

Documentation

• Added contributing policy by @marcinz in #119

New Contributors

• @sunwayihep made their first contribution in #105

Full Changelog: v21.11.00...v22.01.00