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RELEASE_NOTES.md

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v1.1.0

  • Added symbol umpire_ver_1_detected to help detect version mismatches when linking multiple libraries that all use Umpire.

  • Re-introduced pool algorithm used in pre-1.0.0 releases as DynamicPoolList, and renamed current strategy to DynamicPoolMap. DynamicPool is now an alias to DynamicPoolMap.

  • Fix signature of C function umpire_resourcemanager_make_allocator_pool to take size_t not int.

  • Restored getActualSize for all Allocator types

v1.0.1

  • Fixed a bug in DynamicPool where memory could be leaked when allocating a new block using the "minimum size" for an allocation smaller than the block.

v1.0.0

  • Umpire is MPI-aware (outputs rank information to logs and replays) when configured with the option ENABLE_MPI=On, and umpire::initialize(MPI_Comm comm) must be called.

  • AllocationStrategies may be wrapped with multiple extra layers. To "unwrap" an Allocator to a specific strategy, the umpire::util::unwrap_allocator method can be used, for example:

    auto dynamic_pool = umpire::util::unwrap_allocatorumpire::strategy::DynamicPool(allocator);

    This will impact users who have been using DynamicPool::coalesce. The cookbook recipe has been updated accordingly, and the previous code snippet can be used.

  • Umpire now directs log and replay output to files, one per process. The filenames can be controlled by the environment variable UMPIRE_OUTPUT_BASENAME

  • ENABLE_CUDA now set to Off by default.

  • Allocations for 0 bytes now always return a valid pointer that cannot be read or written. These pointers can be deallocated.