| Commit message (Collapse) | Author | Age |
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* Supply MacOS deployment target to delocate, use build+uv frontend
This shaves off multiple minutes from the wheel builds alone.
Also revert to trusted publishing for wheel uploads as it is now set up.
* Bump oldest supported Python to 3.10, eliminate setuptools-scm
The version is now a string again, under the same attribute as it was
before. This is a pragmatic decision in order to be able to upload wheels
again, possibly directly from main.
We could in the future also set the Python version to a development version
if we want to avoid accidental uploads of `main`.
* Add a note on supported Python versions in the docs
Also fixes the setuptools failure observed in the latest CI by pinning
to the last version before v73 until the problem is identified and resolved.
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According to the user guide, when manual timing, it is necessary to explicit it by using the `UseManualTime` function. Its equivalent in Python is use_manual_time(). This function was not called in the example.
It is possible to verify that the use of this function has an impact on the measure by adding another `time.sleep(0.01)` at the end of the iteration. There is a x2 difference depending on whether `use_manual_time()` is used or not.
Co-authored-by: dominic <510002+dmah42@users.noreply.github.com>
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Adds a stub file for the `google_benchmark._benchmark` submodule,
generated with the new `nanobind_stubgen` rule released in nanobind_bazel
v2.1.0.
Tweaks the setup.py logic a little bit to package stub files with the
rest of the build artifacts. Also explicitly adds the generated stub and
marker files to the list of package data artifacts.
Co-authored-by: dominic <510002+dmah42@users.noreply.github.com>
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2.0. (#1817)
Incorporates the nanobind_bazel change from https://github.com/google/benchmark/pull/1795.
nanobind 2.0 reworked the nanobind::enum_ class so it uses a real Python enum or intenum rather than its previous hand-rolled implementation.
https://nanobind.readthedocs.io/en/latest/changelog.html#version-2-0-0-may-23-2024
As a consequence of that change, nanobind now checks when casting an integer to a enum value that the integer corresponds to a valid enum. Counter::Flags is a bitmask, and many combinations are not valid enum members.
This change:
a) sets nb::is_arithmetic(), which means Counter::Flags becomes an IntEnum that can be freely cast to an integer.
b) defines the | operator for flags to return an integer, not an enum, avoiding the error.
c) changes Counter's constructor to accept an int, not a Counter::Flags enum. Since Counter::Flags is an IntEnum now, it can be freely coerced to an int.
If https://github.com/wjakob/nanobind/pull/599 is merged into nanobind, then we can perhaps use a flag enum here instead.
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* Add a bzlmod Python bindings build
Uses the newly started `@nanobind_bazel` project to build nanobind
extensions. This means that we can drop all in-tree custom build defs
and build files for nanobind and the C++ Python headers.
Additionally, the temporary WORKSPACE overwrite hack naturally goes away
due to the WORKSPACE system being obsolete.
* Bump ruff -> v0.3.1, change ruff settings
The latest minor releases incurred some formatting and configuration
changes, this commit rolls them out.
---------
Co-authored-by: dominic <510002+dmah42@users.noreply.github.com>
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* Add `setuptools_scm` for dynamic zero-config Python versioning
This removes the need for manually bumping versions in the Python
bindings.
For the wheel uploads, the correct semver version is inferred in the case
of tagged commits, which is exactly the case in GitHub CI.
The docs were updated to reflect the changes in the release workflow.
* Add separate version variable and module, use PEP484-compliant exports
This is the best practice mentioned in the `setuptools_scm` docs, see
https://setuptools-scm.readthedocs.io/en/latest/usage/#version-at-runtime.
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This behaves the same, and saves a pre-commit step. ruff just needs an
additional package location hint to correctly map first-part packages
(in this case, `google_benchmark`).
This revealed a misformat in the `google_benchmark.__init__`, which is
now fixed.
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* Add pre-commit config and GitHub Actions job
Contains the following hooks:
* buildifier - for formatting and linting Bazel files.
* mypy, ruff, isort, black - for Python typechecking, import hygiene,
static analysis, and formatting.
The pylint CI job was changed to be a pre-commit CI job, where pre-commit
is bootstrapped via Python.
Pylint is currently no longer part of the
code checks, but can be re-added if requested. The reason to drop was
that it does not play nicely with pre-commit, and lots of its
functionality and responsibilities are actually covered in ruff.
* Add dev extra to pyproject.toml for development installs
* Clarify that pre-commit contains only Python and Bazel hooks
* Add one-line docstrings to Bazel modules
* Apply buildifier pre-commit fixes to Bazel files
* Apply pre-commit fixes to Python files
* Supply --profile=black to isort to prevent conflicts
* Fix nanobind build file formatting
* Add tooling configs to `pyproject.toml`
In particular, set line length 80 for all Python files.
* Reformat all Python files to line length 80, fix return type annotations
Also ignores the `tools/compare.py` and `tools/gbench/report.py` files
for mypy, since they emit a barrage of errors which we can deal with
later. The errors are mostly related to dynamic classmethod definition.
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* Add LTO builds on Windows+MSVC
Gates the MSVC switches behind an `@bazel_skylib:selects` statement.
This is a first experiment from best guesses and studying the MSVC docs.
* Fix misleading inline comment
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* Reapply size optimization for clang, equivalent options for MSVC
Working towards cross-platform optimal nanobind building configurations.
* Add LTO back to non-Windows builds
The Windows case (the option name is "/GL") is more complicated, since
there, the compiler options also need to be passed to the linker if LTO
is enabled.
Since we are gating the linker options on platform at the moment instead
of compiler, we need to implement a Bazel boolean flag for the case
"Platform == MacOS && Compiler == AnyOf(gcc, clang)".
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* Change nanobind linkage to response file approach
This change needs https://github.com/bazelbuild/bazel/pull/18952 to be
merged first. Fixes macOS linkage of GBM's nanobind bindings on macOS by
supplying a linker response file instead of `-undefined dynamic_lookup`.
The latter has since been deprecated on macOS.
* Fix bazel_skylib checksum, bump skylib version in MODULE.bazel
* Bump Bazel to version 6.4.0 for linker response file support
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The dependencies are contained in the `pyproject.toml` since it was added.
Switches to header and source file globbing instead of manually listing
the files. The selects for different platforms are removed, as a tradeoff,
we take a single- to low double-digit hit in wheel sizes (between 5 percent
zipped and 12% installed on MacOS 13.4).
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This seems to reduce binding sizes even further, with a wheel size of
175KB on my local machine (macOS 13.4.1).
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* Convert uses of const char* to std::string
* fix sanitizer builds
* reformat user guide
* include python bindings
* clang-format
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Bumps nanobind to v0.2.0, the latest stable version to include all
features needed to create the GBM bindings. Deprecated names in v0.2.0
were migrated to their new counterparts.
Linkopts for macOS were changed to mirror the "endorsed" linker options
used in nanobind's CMake config, which were changed since the last
commit.
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* End support for Python 3.7, update cibuildwheel and publish actions
Removes Python 3.7 from the support matrix, since it does not support
PEP590 vectorcalls.
Bumps the `cibuildwheel` and `pypa-publish` actions to their latest
available versions respectively.
* Add nanobind to the Bazel dependencies, add a BUILD file
The build file builds nanobind as a static `cc_library`. Currently,
the git SHA points to HEAD, since some necessary features have not
been included in a release yet.
* Delete pybind11 BUILD file
* Switch bindings implementation to nanobind
Switches over the binding tool to `nanobind` from `pybind11`. Most
changes in the build setup itself were drop-in replacements of existing
code changed to nanobind names, no new concepts needed to be
implemented.
Sets the minimum required macOS to 10.14 for full C++17 support. Also,
to avoid ambiguities in Bazel, build for macOS 11 on Mac ARM64.
* Use Bazel select for linker options
Guards against unknown linker option errors by selecting required
linker options for nanobind only on macOS, where they are relevant.
Other changes:
* Bump cibuildwheel action to v2.12.0
* Bump Bazel for aarch64 linux wheels to 6.0.0
* Remove C++17 flag from build files since it is present in setup.py `bazel build` command
* Bump nanobind commit to current HEAD (TBD: Bump to next stable release)
* Unbreak Windows builds of nanobind-based bindings
Guards compiler options behind a new `select` macro choosing between
MSVC and not MSVC.
Other changes:
* Inject the proper C++17 standard cxxopt in the `setup.py` build
command.
* Bump nanobind to current HEAD.
* Make `macos` a benchmark-wide condition, with public visibility to
allow its use in the nanobind BUILD file.
* Fall back to `nb::implicitly_convertible` for Counter construction
Since `benchmark::Counter` only has a constructor for `double`,
the nanobind `nb::init_implicit` template cannot be used. Therefore,
to support implicit construction from ints, we fall back to the
`nb::implicitly_convertible` template instead.
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Allows for type annotations.
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* Introduce warmup phase to BenchmarkRunner (#1130)
In order to account for caching effects in user
benchmarks introduce a new command line option
"--benchmark_min_warmup_time"
which allows to specify an amount of time for
which the benchmark should be run before results
are meaningful.
* Adapt review suggestions regarding introduction of warmup phase (#1130)
* Fix BM_CHECK call in MinWarmUpTime (#1130)
* Fix comment on requirements of MinWarmUpTime (#1130)
* Add basic description of warmup phase mechanism to user guide (#1130)
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If someone or something ever needs the dynamic library as a Bazel build
artifact, we can figure that out for them then, but right now, there is
no strong reason to be wrangling various `export.h`-controlling macros.
Fixes #1372.
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defines. (#1369)
This commit fixes the previous breakage in Python wheel builds for Windows by adding a `local_defines` field to the `cc_binary` generated in the process of the Python bindings builds. This define is being
picked up by the auto-generated export header `benchmark_export.h`, unsetting the benchmark export macro.
Furthermore, the `linkshared` and `linkstatic` attributes are passed booleans now instead of ints, making the command more directly interpretable to the human reader.
The fix was suggested by @junyer in the corresponding GitHub issue thread https://github.com/google/benchmark/issues/1367 - thank you for the suggestion!
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thread_index) (#1208)
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate the direct access to these fields.
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate the direct access to these fields.
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
* [benchmark] Introduce accessors for currently public data members `threads` and `thread_index`
Also deprecate direct access to `.thread_index` and make threads a private field
Motivations:
Our internal library provides accessors for those fields because the styleguide disalows accessing classes' data members directly (even if they're const).
There has been a discussion to simply move internal library to make its fields public similarly to the OSS version here, however, the concern is that these kinds of direct access would prevent many types of future design changes (eg how/whether the values would be stored in the data member)
I think the concensus in the end is that we'd change the external library for this case.
AFAIK, there are three important third_party users that we'd need to migrate: tcmalloc, abseil and tensorflow.
Please let me know if I'm missing anyone else.
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This appears to be the source of unclean termination of the test on some
versions of python related to object dereferencing.
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Fixes #1075.
* Add an option to report in seconds.
* Reduce the time of the test.
* Add CSV/JSON tests for new time reports.
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* Fix setup.py and reformat
* Bind benchmark
* Add benchmark option to Python
* Add Python examples for range, complexity, and thread
* Remove invalid multithreading in Python
* Bump Python bindings version to 0.2.0
Co-authored-by: Dominic Hamon <dominichamon@users.noreply.github.com>
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* Bind Counter to Python
* Bind State methods to Python
* Bind state.counters to Python
* Import _benchmark.Counter
* Add Python example of state usage
Co-authored-by: Dominic Hamon <dominichamon@users.noreply.github.com>
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* Create pylint.yml
* improve file matching
* fix some pylint issues
* run on PR and push (force on master only)
* more pylint fixes
* suppress noisy exit code and filter to fatals
* add conan as a dep so the module is importable
* fix lint error on unreachable branch
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A few people have complained that `benchmark` is too generic. Also, add
Python 3.8.
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* Add Python bindings.
* Add license headers.
* Change example to a test.
* Add example usage to module docstring.
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