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Commits on Jan 27, 2022

• Minor: make output from get_stats_*internal easier to read.

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• Optimize stat printing by using absl::AlphaNum for conversions.

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  ckennelly

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• Make the '*pageheap_lock' benchmarks make sense.

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Commits on Jan 26, 2022

• Invoke malloc hooks before registering the sampled allocation.

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Commits on Jan 25, 2022

• Speed up *Pbtxt() by dropping support for indentation and pretty-printing.

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• Add MallocExtension_Internal_GetStatsInPbtxt benchmarks.

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Commits on Jan 24, 2022

• Estimate internal fragmentation of sampled allocations.

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Commits on Jan 19, 2022

• Fail more loudly when handling an allocated size of 0.

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Commits on Jan 18, 2022

• tcmalloc: repair the build for non-rseq enabled platforms

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Commits on Jan 14, 2022

• Optimize calculation of shift in alloc / free. This saves an instruction on x86 and ARM.

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  Jamison Collins

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• Revert: Use Static::sampled_allocation_recorder_ instead of Static::sampled_objects_ to manage sampled allocations.

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• Update Docker image to use GCC 11.2, Clang 14 (prerelease),

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• Use Static::sampled_allocation_recorder_ instead of Static::sampled_objects_ to manage sampled allocations.

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Commits on Jan 13, 2022

• Small cleanup: cache num_cpus in CPUCache::Print.

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• Check for wraparound before aligning sizes.

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Commits on Jan 12, 2022

• In StressThreadTest, verify that we don't end up with resident memory from old slabs after madvising them away.

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• Add TcmallocSlab::GrowSlabs to grow the slab to use a new shift.

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Commits on Jan 11, 2022

• Add a simple fuzzer for GetBuildId.

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• Gracefully handle corrupted PT_NOTE entry when reading build IDs.

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Commits on Jan 7, 2022

• Rename cl to size_class.

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• Change hardcoded expectations in a test to be more lenient.

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• In percpu_tcmalloc_test.cc, remove unnecessary static keywords - the whole test is in an anonymous namespace.

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• Rename cl to size_class in percpu_tcmalloc_test.cc.

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• Change DrainHandler and ShrinkHandler to be FunctionRefs and not need context args.

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Commits on Jan 6, 2022

• Add a FenceAllCpus helper function.

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• Cleanups in TcmallocSlab/CPUCache:

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• Configure experiment for power of two below 64 size classes.

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• Require CPU numbers to be in the range [0, CPU_SETSIZE).

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• Internal change

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  TCMalloc Team

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• Enable heterogeneous cache by default and reduce the default per-cpu cache size

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• Add several keys to MallocExtension::GetProperties.

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Commits on Jan 5, 2022

• Fix a sign-comparison warning

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  derekmauro

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Commits on Jan 4, 2022

• Handle empty NUMA nodes.

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  ckennelly

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• Add fuzzer for the NUMA topology parser.

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  ckennelly

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• Add noexcept to constexpr SlabsAndShift constructor.

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