v1.9.4

What's Changed

• Update build instructions for Visual Studio by @Andrewyuan34 in #1980
• MaybeReenterWithoutASLR(): be more cautious about argument types by @LebedevRI in #1983
• Fix MaybeReenterWithoutASLR() in docker by @chfast in #1985
• Enable Google Benchmark to run in WebAssembly with filesystem disabled by @XueSongTap in #1956
• wheels: Build Linux ARM wheels natively on ARM runners by @nicholasjng in #1969

New Contributors

• @Andrewyuan34 made their first contribution in #1980
• @XueSongTap made their first contribution in #1956

Full Changelog: v1.9.3...v1.9.4

v1.9.3

What's Changed

• Use the top-level ::benchmark namespace to resolve make_unique by @dmah42 in #1960
• Refactor threading run by @krzikalla in #1961
• Threading api v3 by @krzikalla in #1955
• Templated fixture methods by @krzikalla in #1967
• Macro fix by @krzikalla in #1968
• Deprecate ubuntu-20.04 images in actions by @dmah42 in #1971
• deps: Update nanobind_bazel to v2.7.0 by @nicholasjng in #1970
• Fix error handling of getloadavg by @mark-horvath-arm in #1974
• Improve user UX on empty benchmarks by @LebedevRI in #1976
• Detect and report ASLR status by @LebedevRI in #1977
• Automatic ASLR disablement by @LebedevRI in #1978
• dev: Update pre-commit hooks by @nicholasjng in #1979

New Contributors

• @krzikalla made their first contribution in #1961
• @mark-horvath-arm made their first contribution in #1974

Full Changelog: v1.9.2...v1.9.3

v1.9.2

What's Changed

• Add artifact name to download before wheel PyPI upload by @nicholasjng in #1882
• Remove if statement from wheel upload job by @nicholasjng in #1883
• Fix malformed clang invocation in build_ext.run by @nicholasjng in #1884
• Remove wheel merge job, merge artifacts on download by @nicholasjng in #1886
• Change SDK version check by @DKLoehr in #1887
• [bazel] Remove selects on CPU by @keith in #1892
• cycleclock: Support for PA-RISC (hppa) architecture by @hdeller in #1894
• fix: remove clang-cl compilation warning by @theComputeKid in #1895
• README.md: fix build instructions by @0dminnimda in #1880
• cycleclock: Use clock_gettime() as fallback for any Linux architecture by @hdeller in #1899
• Fix runtime crash when parsing /proc/cpuinfo fails by @hdeller in #1900
• Get number of CPUs with sysconf() on Linux by @hdeller in #1901
• Update nanobind-bazel to v2.4.0 by @nicholasjng in #1904
• ci: Update pre-commit hooks by @nicholasjng in #1905
• Lint Python: Add more ruff rules by @cclauss in #1909
• GitHub Actions: build-and-test on an ARM processor by @cclauss in #1911
• ruff rule E501: Fix long lines in Python code by @cclauss in #1910
• [BUG] Fix ProfilerManager number of iterations #1913 by @xdje42 in #1914
• Update error message now that /proc/cpuinfo is no longer in use by @brad0 in #1917
• add back /proc/cpuinfo as a fallback for some platforms by @dmah42 in #1918
• change pacboy compiler target for windows builds by @dmah42 in #1915
• Retrieve the number of online CPUs on OpenBSD and NetBSD by @brad0 in #1916
• Replace usage of deprecated sysctl on macOS by @brad0 in #1919
• Try to use the _SC_NPROCESSORS_ONLN sysconf elsewhere by @brad0 in #1920
• fix sanitizer cmake builds by @dmah42 in #1906
• Remove /proc/cpuinfo fallback path by @brad0 in #1921
• Build libpfm with rules_cc by @UebelAndre in #1922
• remove cxx03 test, fully unblocking c++1X development by @dmah42 in #1903
• run clang-tidy using a common config and reduced set of tests by @dmah42 in #1923
• benchmark declarations can and should be const (clang-tidy) by @dmah42 in #1924
• [clang-tidy] use unique_ptr for benchmark registration by @dmah42 in #1927
• [clang-tidy] fix warning about decaying array to pointer by @dmah42 in #1926
• [clang-tidy] fix missing braces by @dmah42 in #1928
• [clang-tidy] autofix cppcoreguidelines by @dmah42 in #1932
• [clang-tidy] autofix readability issues by @dmah42 in #1931
• dx: Update pre-commit repos, change imports of Python / CC rules by @nicholasjng in #1937
• deps: Update nanobind_bazel to v2.5.0 by @nicholasjng in #1936
• use smart pointers by @dmah42 in #1935
• [clang-tidy] resolve some global clang-tidy issues by @dmah42 in #1933
• Fix build errors on QuRT (Hexagon) by @dsharlet in #1938
• change setup and teardown callback type by @EfesX in #1934
• Install FindPFM.cmake for bencmarkConfig.cmake by @parona-source in #1942
• fix memory manager result bug by @EfesX in #1941
• Compilation example was wrong. Fixed standard by @maxvdec in #1945
• CI: unbreak MSan job by @LebedevRI in #1946
• update version of gtest to v1.15.2 (latest) and also the cmake config by @imrichardcole in #1864
• Finish cxx version bump by @LebedevRI in #1948

New Contributors

• @keith made their first contribution in #1892
• @hdeller made their first contribution in #1894
• @theComputeKid made their first contribution in #1895
• @0dminnimda made their first contribution in #1880
• @brad0 made their first contribution in #1917
• @UebelAndre made their first contribution in #1922
• @dsharlet made their first contribution in #1938
• @EfesX made their first contribution in #1934
• @parona-source made their first contribution in #1942
• @maxvdec made their first contribution in #1945

Full Changelog: v1.9.1...v1.9.2

v1.9.1

What's Changed

• Fix Python manual timing example by @alxbilger in #1722
• Align benchmark::State to a cacheline. by @ckennelly in #1230
• Fix C4459: Rename a function parameter profiler_manager to avoid hiding the global declaration. by @fsb4000 in #1839
• Bump oldest supported Python to 3.10, eliminate setuptools-scm by @nicholasjng in #1842
• enable the /MP MSVC compiler argument for parallel compilation by @imrichardcole in #1846
• Added the functionality for a dry run benchmark called through the cli argument --benchmark_dry_run. by @dmah42 in #1851
• Version string correction in pkg-config files by @aespondac in #1858
• Add enum value from newest Windows SDK by @DKLoehr in #1859
• Fix spurious warning 'misc-use-anonymous-namespace' (#1860) by @codeinred in #1861
• Update user_guide.md by @aespondac in #1863
• upgrade bazel mods. requires c++14 for tests by @dmah42 in #1867
• Update nanobind_bazel to v2.2.0 by @nicholasjng in #1866
• bump googletest version to match bazel by @dmah42 in #1868
• Verify RegisterProfilerManager doesn't overwrite an existing registration by @xdje42 in #1837
• [#1487] ensure background color is preserved by @imrichardcole in #1865
• Add nb::is_flag() annotation to Counter::Flags by @nicholasjng in #1870
• Add a Python matrix to ensure the bindings build on all supported versions by @nicholasjng in #1871
• Declare a Python 3.13 toolchain, revert setup.py toolchain target sele… by @nicholasjng in #1876
• update standard to C++17 per C++ build support by @dmah42 in #1875
• Improve examples on ComputeStatistics by @guoci in #1881

New Contributors

• @alxbilger made their first contribution in #1722
• @fsb4000 made their first contribution in #1839
• @imrichardcole made their first contribution in #1846
• @aespondac made their first contribution in #1858
• @codeinred made their first contribution in #1861
• @guoci made their first contribution in #1881

Full Changelog: v1.9.0...v1.9.1

v1.9.0

What's Changed

breaking

• Ensure reported Time is walltime by removing spurious scaling by threads by @dmah42 in #1836

other

• Update benchmark Python bindings for nanobind 2.0, and update to nano… by @hawkinsp in #1817
• Revert to token authentication for PyPI wheel uploads by @nicholasjng in #1819
• Suppress invalid-offsetof warning for clang by @DKLoehr in #1821
• Use log2 now that NDK requires at least API 21 which includes it. by @dmah42 in #1822
• Update libs into .pre-commit-config.yaml by @mosfet80 in #1825
• Update nanobind into benchmark_deps.bzl by @mosfet80 in #1826
• Bump nanobind-bazel to v2.1.0, add stubgen target by @nicholasjng in #1824
• Move ProfilerManager Start/Stop routines closer to benchmark #1807 by @xdje42 in #1818
• Cache upd by @mosfet80 in #1830
• Update clang-format-lint-action by @mosfet80 in #1829
• chore: update perf_counters.cc by @eltociear in #1831

New Contributors

• @hawkinsp made their first contribution in #1817
• @DKLoehr made their first contribution in #1821
• @eltociear made their first contribution in #1831

Full Changelog: v1.8.5...v1.9.0

v1.8.5

What's Changed

• Improve compatibility with Hexagon hardware by @steven-johnson in #1785
• hotfix: Correct pypi-publishing action tag to v1.8.14 by @nicholasjng in #1791
• CMake: unbreak version handling for tarballs by @LebedevRI in #1793
• cycleclock: Fix type conversion to match function return type by @kraj in #1794
• bump standard to C++14 by @dmah42 in #1799
• Docs: Bump minimum required C++ version from C++11 to C++14 by @rschu1ze in #1800
• cycleclock: Fix type conversion to match function return type on riscv64 by @kraj in #1802
• [bazel] Use includes instead of strip_include_prefix by @alexkaratarakis in #1803
• Find libpfm dependency in installed CMake configs by @stephenswat in #1806
• Add -lkstat to the .pc for Solaris by @ccotter in #1801
• add PERF_FORMAT_TOTAL_TIME_{ENABLED,RUNNING} to support multiplexing by @dmah42 in #1814
• Clarify the difference between BENCHMARK_TEMPLATE_F and BENCHMARK_TEMPLATE_DEFINE_F + BENCHMARK_REGISTER_F by @jiawen in #1815
• [FR] Add API to provide custom profilers #1807 by @xdje42 in #1809

New Contributors

• @steven-johnson made their first contribution in #1785
• @kraj made their first contribution in #1794
• @rschu1ze made their first contribution in #1800
• @alexkaratarakis made their first contribution in #1803
• @stephenswat made their first contribution in #1806
• @ccotter made their first contribution in #1801
• @jiawen made their first contribution in #1815
• @xdje42 made their first contribution in #1809

Full Changelog: v1.8.4...v1.8.5

v1.8.4

What's Changed

• Audit MSVC references in cmake files to consider clang++ by @Maetveis in #1669
• Make json and csv output consistent. by @andreas-abel in #1662
• Update bazel.yml by @mosfet80 in #1671
• Fix building on MinGW: default WINVER is too old by @zm1060 in #1681
• Increase the kMaxIterations limit by @andreas-abel in #1668
• Set -Wno-unused-variable for tests by @oontvoo in #1682
• Add no-unititialized-variable to tests by @dmah42 in #1683
• Add Python 3.12 support by @nicholasjng in #1676
• Change nanobind linkage to response file approach on macOS by @nicholasjng in #1638
• Reapply size optimizations for clang & MSVC, LTO for Mac+Linux by @nicholasjng in #1685
• [bindings] Add LTO builds on Windows+MSVC by @nicholasjng in #1687
• Add pre-commit config and GitHub Actions job by @nicholasjng in #1688
• Replace isort hook with ruff builtin import sorting by @nicholasjng in #1689
• Add setuptools_scm for dynamic zero-config Python versioning by @nicholasjng in #1690
• Fix unit tests compilation by non-gnu/msvc compilers with c++11 support. by @ivafanas in #1691
• Fixed compiler warnings by @tmiguelf in #1697
• Switch out black for ruff format by @nicholasjng in #1698
• Add Missing \n at the End of Error Log String by @itzmeanjan in #1700
• Fix CMakeLists.txt for perf_counters_test by @illbegood in #1701
• [CI] Fix sanitizer builds by pinning the LLVM revision by @LebedevRI in #1703
• Support windows MSYS2 environments by @LebedevRI in #1704
• Fix pre-commit GitHub Actions job by @nicholasjng in #1708
• [NFC] complexity_n is not of IterationCount type by @LebedevRI in #1709
• Fix editable install by unsetting build_ext.copy_extensions_to_source by @nicholasjng in #1710
• Upgrade core bazel dependencies by @nicholasjng in #1711
• Run pre-commit autoupdate, fix stale pyproject.toml comments by @nicholasjng in #1712
• Check out repo at depth 0 for Python tests, bump Python and PyPI actions by @nicholasjng in #1713
• Fix mis-matching argument in closing tag for cmake macro (#1714) by @iakovs in #1715
• define HOST_NAME_MAX for z/OS by @abhina-sree in #1717
• Fix division by zero for low frequency timers for CV statistics by @ivafanas in #1724
• Remove the use of "Sanity" and replace it with "Safety" by @hamptonm1 in #1728
• CycleClock: use RDTIME instead of RDCYCLE on RISC-V by @aurel32 in #1727
• Enable Large-file Support by @oToToT in #1726
• Fix per-thread timing error on z/OS by @abhina-sree in #1719
• Avoid leaking LFS flags to reverse dependencies by @afq984 in #1730
• Change Fixture to use non-const SetUp and TearDown in example by @FantasqueX in #1723
• fix: fail to import gbench in bazel and python3.12 by @dhmemi in #1721
• Issue1731 created console does not receive output by @bstordrup in #1732
• tools/compare: don't actually discard valid (but zero) pvalue by @LebedevRI in #1733
• Issue 1734: Streams not flushed if not running actual benchmarks by @bstordrup in #1735
• fix(cmakelists.txt): enforce CMake to find PFM or fail when BENCHMARK… by @ananta in #1705
• Docs: reducing_variance.md: proofreading, fix typos by @LebedevRI in #1736
• Fix C-style typecasting in QNX-specific code by @Arech in #1739
• Bump pre-commit dependencies by @nicholasjng in #1740
• Output library / schema versions in JSON context block by @LebedevRI in #1742
• set library version in bazel by @dmah42 in #1746
• Add BENCHMARK_TEMPLATE[12]_CAPTURE, fusion of BENCHMARK_CAPTURE and BENCHMARK_TEMPLATE by @LebedevRI in #1747
• Deflake CI by @LebedevRI in #1751
• Fix typo in GetBenchmarkVersion() by @Liedtke in #1755
• CycleClock: Add support for Alpha architecture by @thesamesam in #1753
• sysinfo.cc: Always abort on GetNumCPUs failure by @thesamesam in #1756
• Rewrite complexity_test to use (hardcoded) manual time by @LebedevRI in #1757
• Revert "fix some warnings" by @LebedevRI in #1762
• Fixed LTO issue on no discard variable by @tmiguelf in #1761
• mitigate clang build warnings -Wconversion by @dmah42 in #1763
• Add Python bindings build using bzlmod by @nicholasjng in #1764
• Fix implicit conversion changes signess warning in perf_counters.cc by @ivafanas in #1765
• clang-tidy broke the world by @LebedevRI in #1766
• allow BENCHMARK_VERSION to be undefined by @PhilipDeegan in #1769
• fix OpenBSD build by @vazub in #1772
• Remove COMPILER_IBMXL macro for z/OS by @fanbo-meng in #1777
• Refactor: Return frequency as double by @dhairyarungta in #1782
• Add benchmark_main.pc to link main() containing library by @SoapGentoo in #1779
• Switch git override to stable BCR tag for nanobind_bazel by @nicholasjng in #1778
• Modernize wheel building job config by @nicholasjng in #1783
• preparing for v1.8.4 by @dmah42 in #1788

New Contributors

• @Maetveis made their first contribution in #1669
• @andreas-abel made their first contribution in #1662
• @mosfet80 made their first contribution in #1671
• @zm1060 made their first contribution in #1681
• @ivafanas made their first contribution in #1691
• @tmiguelf made their first contribution in #1697
• @itzmeanjan made their first contribution in #1700
• @illbegood made their first contribution in #1701
• @iakovs made their first contribution in #1715
• @aurel32 made their first contribution in #1727
• @oToToT made their first contribution in #1726
• @afq984 made their first contribution in #1730
• @FantasqueX made their first contribution in #1723
• @dhmemi made their first contribution in #1721
• @bstordrup made their first contribution in #1732
• @ananta made their first contribution in #1705
• @Arech made their first contribution in #1739
• @Liedtke made their first contribution in #1755
• @thesamesam made their first contribution in #1753
• @vazub made their first contribution in #1772
• @dhairyarungta made their first contribution in #1782
• @SoapGentoo made their first contribution in #1779

Full Changelog: v1.8.3...v1.8.4

v1.8.3

What's Changed

• Fix broken PFM-enabled tests by @macandy13 in #1623
• Update tools.md for missing color meaning issue #1491 by @varshneydevansh in #1624
• Add pyproject.toml file for PEP518 compliance by @nicholasjng in #1625
• pfm: Use a more standard CMake approach for finding libpfm by @chipot in #1628
• Bump nanobind to stable v1.4.0 tag by @nicholasjng in #1626
• Bump scipy from 1.5.4 to 1.10.0 in /tools by @dependabot in #1630
• Downgrade bazel to windows-2019 by @dmah42 in #1629
• Add tests for Human Readable functionality by @dmah42 in #1632
• Delete unused requirements file, simplify nanobind build file by @nicholasjng in #1635
• Update bzlmod support to new rules_python extension API by @jsharpe in #1633
• Re-enable windows-latest tests for newer Bazel by @nicholasjng in #1641
• Fix -Werror,-Wold-style-cast build failure on Windows. by @saran-t in #1637
• Mark internal deps as dev_depenencies so that downstream modules don't require those by @macandy13 in #1640
• bug: Inconsistent suffixes console reporter 1009 by @varshneydevansh in #1631
• Fix IntelLLVM compiler error by @joannapng in #1644
• fix: added benchmark_counters_tabular for file by @varshneydevansh in #1645
• [perf-counters] Fix pause/resume by @mtrofin in #1643
• sysinfo.cc: Call getloadavg for Android API >= 29 by @jmr in #1649
• benchmark.cc: Fix benchmarks_with_threads condition by @jmr in #1651
• perf-counters: Make tests pass on Android by @jmr in #1653
• State: Initialize counters with kAvgIteration in constructor by @jmr in #1652
• perf_counters: Initialize once only when needed by @jmr in #1656
• test: Use gtest_main only when needed by @jmr in #1657
• StatisticsMedian: Fix bug by @jmr in #1658

New Contributors

• @varshneydevansh made their first contribution in #1624
• @chipot made their first contribution in #1628
• @dependabot made their first contribution in #1630
• @jsharpe made their first contribution in #1633
• @saran-t made their first contribution in #1637
• @joannapng made their first contribution in #1644
• @jmr made their first contribution in #1649

Full Changelog: v1.8.2...v1.8.3

v1.8.2

What's Changed

• Add more terminals with color support by @p00f in #1621
• Fix passing non-const lvalue refs to DoNotOptimize by @eseiler in #1622

New Contributors

• @p00f made their first contribution in #1621
• @eseiler made their first contribution in #1622

Full Changelog: v1.8.1...v1.8.2

v1.8.1

What's Changed

• Disable debug-only test in release builds to avoid expected failures. by @macandy13 in #1595
• Fix code triggering -Wsign-conversion by @oontvoo in #1596
• Update Python version to PY3, as indicated by the actual source file. by @macandy13 in #1598
• Fixed a typo in docs by @toughengineer in #1600
• Fix pass rvalue to DoNotOptimize by @bgaifullin in #1608
• Fix a typo in regex choice by @Chilledheart in #1610
• remove old-style (C-style) casts by @garymm in #1614
• Add support for bzlmod (excluding Python bindings) by @macandy13 in #1615
• Add a CI test for the new bzlmod integration by @macandy13 in #1617
• Suppress intentional potential memory leak as detected by clang static analysis by @LebedevRI in #1618

New Contributors

• @macandy13 made their first contribution in #1595
• @toughengineer made their first contribution in #1600
• @bgaifullin made their first contribution in #1608
• @Chilledheart made their first contribution in #1610
• @garymm made their first contribution in #1614

Full Changelog: v1.8.0...v1.8.1