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jemalloc-5.2.1.tar.bz2 2019-08-05 554.3 kB
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This release is primarily about Windows. A critical virtual memory leak is resolved on all Windows platforms. The regression was present in all releases since 5.0.0.

Bug fixes:

  • Fix a severe virtual memory leak on Windows. This regression was first released in 5.0.0. (@Ignition, @j0t, @frederik-h, @davidtgoldblatt, @interwq)
  • Fix size 0 handling in posix_memalign(). This regression was first released in 5.2.0. (@interwq)
  • Fix the prof_log unit test which may observe unexpected backtraces from compiler optimizations. The test was first added in 5.2.0. (@marxin, @gnzlbg, @interwq)
  • Fix the declaration of the extent_avail tree. This regression was first released in 5.1.0. (@zoulasc)
  • Fix an incorrect reference in jeprof. This functionality was first released in 3.0.0. (@prehistoric-penguin)
  • Fix an assertion on the deallocation fast-path. This regression was first released in 5.2.0. (@yinan1048576)
  • Fix the TLS_MODEL attribute in headers. This regression was first released in 5.0.0. (@zoulasc, @interwq)

Optimizations and refactors:

  • Implement opt.retain on Windows and enable by default on 64-bit. (@interwq, @davidtgoldblatt)
  • Optimize away a branch on the operator delete path. (@mgrice)
  • Add format annotation to the format generator function. (@zoulasc)
  • Refactor and improve the size class header generation. (@yinan1048576)
  • Remove best fit. (@djwatson)
  • Avoid blocking on background thread locks for stats. (@oranagra, @interwq)
Source: README.md, updated 2019-08-05