0.4

The following are the main changes since the previous version:

• Improved Decommit on Windows
  • Removed redundant system calls #120
  • Implement lazy decommit strategy to take OS call back, so an application not performing allocation can release memory to the OS #128
  • Bug Fix: Remove infinite loop on low-memory notification #123
• Improved performance of multiple fast and slow paths
  • Improved sized deallocation code paths #115
  • Remote deallocation code path separated into fast and slow path (increased perf considerable for producer/consumer workloads) #138
  • Improve allocation slow path and change to thread local bump allocator #143
• Improved alignment code
  • Support alignment of large allocations #124
  • Efficient calculation of alignment requests (just two additional integer instructions on fast path) #113
• Support more platforms and tool chains
  • Expose API surface for Rust #113
  • Improve GCC support #110 #134 #167
  • Add support for Clang on Windows #119
  • Provide OpenEnclave support #129 #131 #135 #140 #166 #167
  • Preliminary ARM support #142 , #161
• Bug fixes based on mimalloc-bench
  • Fixed poor performance in the message queue handling due to small batch size (#158 )
  • Fixed leak of allocators during TLS teardown (#161)
  • Fixed high page fault count from using MADV_DONTNEED for zeroing (#159)

0.3: Merge pull request #102 from microsoft/cq-free

Considerable performance improvements based on ideas from mimalloc.