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Change Log / Release Log for mallocMC

2.2.0crp

Date: 2015-09-25

This release fixes some minor bugs that occured after the release of 2.1.0crp, adds some documentation and improves the interoperability with other projects and build systems. We closed all issues documented in Milestone 2.2.0crp: Stabilizing the release

Changes to mallocMC 2.1.0crp

Features

  • the interface now provides the host function HeapInfoVector getHeapLocations() to obtain information about the location and size of existing mallocMC-heaps #86

Bug fixes

  • the function getAvailableSlots was always required in the policy classes, although the implementations might not provide it #89

Misc:

2.1.0crp

Date: 2015-02-11

This release fixes some bugs that occured after the release of 2.0.1crp and reduces the interface to improve interoperability with the default CUDA allocator. We closed all issues documented in Milestone New Features

Changes to mallocMC 2.0.1crp

Features

  • the possibility to overwrite the default implementation of new/delete and malloc/free was removed #72. This changes the interface, since users are now always forced to call mallocMC::malloc() and mallocMC::free(). This is intended to improve readability and allows to use the CUDA allocator inside mallocMC.
  • the policy Scatter now places the onpagetables data structure at the end of a page. This can greatly improve performance when using large pages and resetfreedpages=true #80

Bug fixes

  • in the policy Scatter, fullsegments and additional_chunks could grow too large in certain configurations #79

Misc:

2.0.1crp

Date: 2015-01-13

This release fixes several bugs that occured after the release of 2.0.0crp. We closed all issues documented in Milestone Bugfixes

Changes to mallocMC 2.0.0crp

Bug fixes

  • page table metadata was not correctly initialized with 0 #70
  • freeing pages would not work under certain circumstances #66
  • the bitmask in a page table entry could be wrong due to a racecondition #62
  • not all regions were initialized correctly #60
  • getAvailableSlots could sometimes miss blocks #59
  • the counter for elements in a page could get too high due to a racecondition #61
  • Out of Memory (OOM) Policy sometimes did not recognize allocation failures correctly #67

Misc:

2.0.0crp

Date: 2014-06-02

This release introduces mallocMC, which contains the previous algorithm and much code from ScatterAlloc 1.0.2crp. The project was renamed due to massive restructurization and because the code uses ScatterAlloc as a reference algorithm, but can be extended to include other allocators in the future. We closed all issues documented in Milestone Get Lib ready for PIConGPU

Changes to ScatterAlloc 1.0.2crp

Features

  • completely split into policies #17
  • configuration through structs instead of macro #17
  • function getAvailableSlots() #5
  • selectable data alignment #14
  • function finalizeHeap() #11

Bug fixes:

  • build warning for cmake #33

Misc:

1.0.2crp

Date: 2014-01-07

This is our first bug fix release. We closed all issues documented in Milestone Bug fixes

Changes to 1.0.1

Features:

  • added travis-ci.org support for compile tests #7

Bug fixes:

  • broken cmake/compile #1
  • g++ warnings #10
  • only N-1 access blocks used instead of N #2
  • 32bit bug: allocate more than 4GB #12

Misc: See the full changes at https://github.com/ComputationalRadiationPhysics/scatteralloc/compare/1.0.1...1.0.2crp