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CHANGE_LOG
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Version 0.46.0
--------------
This release significantly reworked one of the main parts of Numba, the compiler
pipeline, to make it more extensible and easier to use. The purpose of this was
to continue enhancing Numba's ability for use as a compiler toolkit. In a
similar vein, Numba now has an extension registration mechanism to allow other
Numba-using projects to automatically have their Numba JIT compilable functions
discovered. There were also a number of other related compiler toolkit
enhancement added along with some more NumPy features and a lot of bug fixes.
Enhancements from user contributed PRs (with thanks!):
* Aaron Meurer fixed some Python issues in the code base in #4345 and #4341.
* Ashwin Srinath fixed a CUDA performance bug via #4576.
* Ethan Pronovost added support for triangular indices functions in #4601 (the
NumPy functions ``tril_indices``, ``tril_indices_from``, ``triu_indices``, and
``triu_indices_from``).
* Gerald Dalley fixed a tear down race occurring in Python 2.
* Gregory R. Lee fixed the use of deprecated ``inspect.getargspec``.
* Guilherme Leobas contributed five PRs, adding support for ``np.append`` and
``np.count_nonzero`` in #4518 and #4386. The typed List was fixed to accept
unsigned integers in #4510. #4463 made a fix to NamedTuple internals and #4397
updated the docs for ``np.sum``.
* James Bourbeau added a new feature to permit the automatic application of the
`jit` decorator to a whole module in #4331. Also some small fixes to the docs
and the code base were made in #4447 and #4433, and a fix to inplace array
operation in #4228.
* Jim Crist fixed a bug in the rendering of patched errors in #4464.
* Leo Fang updated the CUDA Array Interface contract in #4609.
* Pearu Peterson added support for Unicode based NumPy arrays in #4425.
* Peter Andreas Entschev fixed a CUDA concurrency bug in #4581.
* Lucio Fernandez-Arjona extended Numba's ``np.sum`` support to now accept the
``dtype`` kwarg in #4472.
* Pedro A. Morales Maries added support for ``np.cross`` in #4128 and also added
the necessary extension ``numba.numpy_extensions.cross2d`` in #4595.
* David Hoese, Eric Firing, Joshua Adelman, and Juan Nunez-Iglesias all made
documentation fixes in #4565, #4482, #4455, #4375 respectively.
* Vyacheslav Smirnov and Rujal Desai enabled support for ``count()`` on unicode
strings in #4606.
General Enhancements:
* PR #4113: Add rewrite for semantic constants.
* PR #4128: Add np.cross support
* PR #4162: Make IR comparable and legalize it.
* PR #4208: R&D inlining, jitted and overloaded.
* PR #4331: Automatic JIT of called functions
* PR #4353: Inspection tool to check what numba supports
* PR #4386: Implement np.count_nonzero
* PR #4425: Unicode array support
* PR #4427: Entrypoints for numba extensions
* PR #4467: Literal dispatch
* PR #4472: Allow dtype input argument in np.sum
* PR #4513: New compiler.
* PR #4518: add support for np.append
* PR #4554: Refactor NRT C-API
* PR #4556: 0.46 scheduled deprecations
* PR #4567: Add env var to disable performance warnings.
* PR #4568: add np.array_equal support
* PR #4595: Implement numba.cross2d
* PR #4601: Add triangular indices functions
* PR #4606: Enable support for count() method for unicode string
Fixes:
* PR #4228: Fix inplace operator error for arrays
* PR #4282: Detect and raise unsupported on generator expressions
* PR #4305: Don't allow the allocation of mutable objects written into a
container to be hoisted.
* PR #4311: Avoid deprecated use of inspect.getargspec
* PR #4328: Replace GC macro with function call
* PR #4330: Loosen up typed container casting checks
* PR #4341: Fix some coding lines at the top of some files (utf8 -> utf-8)
* PR #4345: Replace "import *" with explicit imports in numba/types
* PR #4346: Fix incorrect alg in isupper for ascii strings.
* PR #4349: test using jitclass in typed-list
* PR #4361: Add allocation hoisting info to LICM section at diagnostic L4
* PR #4366: Offset search box to avoid wrapping on some pages with Safari.
Fixes #4365.
* PR #4372: Replace all "except BaseException" with "except Exception".
* PR #4407: Restore the "free" conda channel for NumPy 1.10 support.
* PR #4408: Add lowering for constant bytes.
* PR #4409: Add exception chaining for better error context
* PR #4411: Name of type should not contain user facing description for debug.
* PR #4412: Fix #4387. Limit the number of return types for recursive functions
* PR #4426: Fixed two module teardown races in py2.
* PR #4431: Fix and test numpy.random.random_sample(n) for np117
* PR #4463: NamedTuple - Raises an error on non-iterable elements
* PR #4464: Add a newline in patched errors
* PR #4474: Fix liveness for remove dead of parfors (and other IR extensions)
* PR #4510: Make List.__getitem__ accept unsigned parameters
* PR #4512: Raise specific error at typing time for iteration on >1D array.
* PR #4532: Fix static_getitem with Literal type as index
* PR #4547: Update to inliner cost model information.
* PR #4557: Use specific random number seed when generating arbitrary test data
* PR #4559: Adjust test timeouts
* PR #4564: Skip unicode array tests on ppc64le that trigger an LLVM bug
* PR #4621: Fix packaging issue due to missing numba/cext
* PR #4623: Fix issue 4520 due to storage model mismatch
* PR #4644: Updates for llvmlite 0.30.0
CUDA Enhancements/Fixes:
* PR #4410: Fix #4111. cudasim mishandling recarray
* PR #4576: Replace use of `np.prod` with `functools.reduce` for computing size
from shape
* PR #4581: Prevent taking the GIL in ForAll
* PR #4592: Fix #4589. Just pass NULL for b2d_func for constant dynamic
sharedmem
* PR #4609: Update CUDA Array Interface & Enforce Numba compliance
* PR #4619: Implement math.{degrees, radians} for the CUDA target.
Documentation Updates:
* PR #4317: Add docs for ARMv8/AArch64
* PR #4318: Add supported platforms to the docs. Closes #4316
* PR #4375: Add docstrings to inspect methods
* PR #4388: Update Python 2.7 EOL statement
* PR #4397: Add note about np.sum
* PR #4447: Minor parallel performance tips edits
* PR #4455: Clarify docs for typed dict with regard to arrays
* PR #4482: Fix example in guvectorize docstring.
* PR #4541: fix two typos in architecture.rst
* PR #4548: Document numba.extending.intrinsic and inlining.
* PR #4565: Fix typo in jit-compilation docs
* PR #4607: add dependency list to docs
* PR #4614: Add documentation for implementing new compiler passes.
CI Updates:
* PR #4415: Make 32bit incremental builds on linux not use free channel
* PR #4433: Removes stale azure comment
* PR #4493: Fix Overload Inliner wrt CUDA Intrinsics
* PR #4593: Enable Azure CI batching
Contributors:
* Aaron Meurer
* Ashwin Srinath
* David Hoese
* Ehsan Totoni (core dev)
* Eric Firing
* Ethan Pronovost
* Gerald Dalley
* Gregory R. Lee
* Guilherme Leobas
* James Bourbeau
* Jim Crist
* Joshua Adelman
* Juan Nunez-Iglesias
* Leo Fang
* Lucio Fernandez-Arjona
* Pearu Peterson
* Pedro A. Morales Marie
* Peter Andreas Entschev
* Rujal Desai
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Todd A. Anderson (core dev)
* Valentin Haenel (core dev)
* Vyacheslav Smirnov
Version 0.45.1
--------------
This patch release addresses some regressions reported in the 0.45.0 release and
adds support for NumPy 1.17:
* PR #4325: accept scalar/0d-arrays
* PR #4338: Fix #4299. Parfors reduction vars not deleted.
* PR #4350: Use process level locks for fork() only.
* PR #4354: Try to fix #4352.
* PR #4357: Fix np1.17 isnan, isinf, isfinite ufuncs
* PR #4363: Fix np.interp for np1.17 nan handling
* PR #4371: Fix nump1.17 random function non-aliasing
Contributors:
* Siu Kwan Lam (core dev)
* Stuart Archibald (core dev)
* Valentin Haenel (core dev)
Version 0.45.0
--------------
In this release, Numba gained an experimental :ref:`numba.typed.List
<feature-typed-list>` container as a future replacement of the :ref:`reflected
list <feature-reflected-list>`. In addition, functions decorated with
``parallel=True`` can now be cached to reduce compilation overhead associated
with the auto-parallelization.
Enhancements from user contributed PRs (with thanks!):
* James Bourbeau added the Numba version to reportable error messages in #4227,
added the ``signature`` parameter to ``inspect_types`` in #4200, improved the
docstring of ``normalize_signature`` in #4205, and fixed #3658 by adding
reference counting to ``register_dispatcher`` in #4254
* Guilherme Leobas implemented the dominator tree and dominance frontier
algorithms in #4216 and #4149, respectively.
* Nick White fixed the issue with ``round`` in the CUDA target in #4137.
* Joshua Adelman added support for determining if a value is in a `range`
(i.e. ``x in range(...)``) in #4129, and added windowing functions
(``np.bartlett``, ``np.hamming``, ``np.blackman``, ``np.hanning``,
``np.kaiser``) from NumPy in #4076.
* Lucio Fernandez-Arjona added support for ``np.select`` in #4077
* Rob Ennis added support for ``np.flatnonzero`` in #4157
* Keith Kraus extended the ``__cuda_array_interface__`` with an optional mask
attribute in #4199.
* Gregory R. Lee replaced deprecated use of ``inspect.getargspec`` in #4311.
General Enhancements:
* PR #4328: Replace GC macro with function call
* PR #4311: Avoid deprecated use of inspect.getargspec
* PR #4296: Slacken window function testing tol on ppc64le
* PR #4254: Add reference counting to register_dispatcher
* PR #4239: Support len() of multi-dim arrays in array analysis
* PR #4234: Raise informative error for np.kron array order
* PR #4232: Add unicodetype db, low level str functions and examples.
* PR #4229: Make hashing cacheable
* PR #4227: Include numba version in reportable error message
* PR #4216: Add dominator tree
* PR #4200: Add signature parameter to inspect_types
* PR #4196: Catch missing imports of internal functions.
* PR #4180: Update use of unlowerable global message.
* PR #4166: Add tests for PR #4149
* PR #4157: Support for np.flatnonzero
* PR #4149: Implement dominance frontier for SSA for the Numba IR
* PR #4148: Call branch pruning in inline_closure_call()
* PR #4132: Reduce usage of inttoptr
* PR #4129: Support contains for range
* PR #4112: better error messages for np.transpose and tuples
* PR #4110: Add range attrs, start, stop, step
* PR #4077: Add np select
* PR #4076: Add numpy windowing functions support (np.bartlett, np.hamming,
np.blackman, np.hanning, np.kaiser)
* PR #4095: Support ir.Global/FreeVar in find_const()
* PR #3691: Make TypingError abort compiling earlier
* PR #3646: Log internal errors encountered in typeinfer
Fixes:
* PR #4303: Work around scipy bug 10206
* PR #4302: Fix flake8 issue on master
* PR #4301: Fix integer literal bug in np.select impl
* PR #4291: Fix pickling of jitclass type
* PR #4262: Resolves #4251 - Fix bug in reshape analysis.
* PR #4233: Fixes issue revealed by #4215
* PR #4224: Fix #4223. Looplifting error due to StaticSetItem in objectmode
* PR #4222: Fix bad python path.
* PR #4178: Fix unary operator overload, check with unicode impl
* PR #4173: Fix return type in np.bincount with weights
* PR #4153: Fix slice shape assignment in array analysis
* PR #4152: fix status check in dict lookup
* PR #4145: Use callable instead of checking __module__
* PR #4118: Fix inline assembly support on CPU.
* PR #4088: Resolves #4075 - parfors array_analysis bug.
* PR #4085: Resolves #3314 - parfors array_analysis bug with reshape.
CUDA Enhancements/Fixes:
* PR #4199: Extend `__cuda_array_interface__` with optional mask attribute,
bump version to 1
* PR #4137: CUDA - Fix round Builtin
* PR #4114: Support 3rd party activated CUDA context
Documentation Updates:
* PR #4317: Add docs for ARMv8/AArch64
* PR #4318: Add supported platforms to the docs. Closes #4316
* PR #4295: Alter deprecation schedules
* PR #4253: fix typo in pysupported docs
* PR #4252: fix typo on repomap
* PR #4241: remove unused import
* PR #4240: fix typo in jitclass docs
* PR #4205: Update return value order in normalize_signature docstring
* PR #4237: Update doc links to point to latest not dev docs.
* PR #4197: hyperlink repomap
* PR #4170: Clarify docs on accumulating into arrays in prange
* PR #4147: fix docstring for DictType iterables
* PR #3951: A guide to overloading
CI Updates:
* PR #4300: AArch64 has no faulthandler package
* PR #4273: pin to MKL BLAS for testing to get consistent results
* PR #4209: Revert previous network tol patch and try with conda config
* PR #4138: Remove tbb before Azure test only on Python 3, since it was already
removed for Python 2
Contributors:
* Ehsan Totoni (core dev)
* Gregory R. Lee
* Guilherme Leobas
* James Bourbeau
* Joshua L. Adelman
* Keith Kraus
* Lucio Fernandez-Arjona
* Nick White
* Rob Ennis
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Todd A. Anderson (core dev)
* Valentin Haenel (core dev)
Version 0.44.1
--------------
This patch release addresses some regressions reported in the 0.44.0 release:
- PR #4165: Fix #4164 issue with NUMBAPRO_NVVM.
- PR #4172: Abandon branch pruning if an arg name is redefined. (Fixes #4163)
- PR #4183: Fix #4156. Problem with defining in-loop variables.
Version 0.44.0
--------------
IMPORTANT: In this release a few significant deprecations (and some less
significant ones) are being made, users are encouraged to read the related
documentation.
General enhancements in this release include:
- Numba is backed by LLVM 8 on all platforms apart from ppc64le, which, due to
bugs, remains on the LLVM 7.x series.
- Numba's dictionary support now includes type inference for keys and values.
- The .view() method now works for NumPy scalar types.
- Newly supported NumPy functions added: np.delete, np.nanquantile, np.quantile,
np.repeat, np.shape.
In addition considerable effort has been made to fix some long standing bugs and
a large number of other bugs, the "Fixes" section is very large this time!
Enhancements from user contributed PRs (with thanks!):
- Max Bolingbroke added support for the selective use of ``fastmath`` flags in
#3847.
- Rob Ennis made min() and max() work on iterables in #3820 and added
np.quantile and np.nanquantile in #3899.
- Sergey Shalnov added numerous unicode string related features, zfill in #3978,
ljust in #4001, rjust and center in #4044 and strip, lstrip and rstrip in
#4048.
- Guilherme Leobas added support for np.delete in #3890
- Christoph Deil exposed the Numba CLI via ``python -m numba`` in #4066 and made
numerous documentation fixes.
- Leo Schwarz wrote the bulk of the code for jitclass default constructor
arguments in #3852.
- Nick White enhanced the CUDA backend to use min/max PTX instructions where
possible in #4054.
- Lucio Fernandez-Arjona implemented the unicode string ``__mul__`` function in
#3952.
- Dimitri Vorona wrote the bulk of the code to implement getitem and setitem for
jitclass in #3861.
General Enhancements:
* PR #3820: Min max on iterables
* PR #3842: Unicode type iteration
* PR #3847: Allow fine-grained control of fastmath flags to partially address #2923
* PR #3852: Continuation of PR #2894
* PR #3861: Continuation of PR #3730
* PR #3890: Add support for np.delete
* PR #3899: Support for np.quantile and np.nanquantile
* PR #3900: Fix 3457 :: Implements np.repeat
* PR #3928: Add .view() method for NumPy scalars
* PR #3939: Update icc_rt clone recipe.
* PR #3952: __mul__ for strings, initial implementation and tests
* PR #3956: Type-inferred dictionary
* PR #3959: Create a view for string slicing to avoid extra allocations
* PR #3978: zfill operation implementation
* PR #4001: ljust operation implementation
* PR #4010: Support `dict()` and `{}`
* PR #4022: Support for llvm 8
* PR #4034: Make type.Optional str more representative
* PR #4041: Deprecation warnings
* PR #4044: rjust and center operations implementation
* PR #4048: strip, lstrip and rstrip operations implementation
* PR #4066: Expose numba CLI via python -m numba
* PR #4081: Impl `np.shape` and support function for `asarray`.
* PR #4091: Deprecate the use of iternext_impl without RefType
CUDA Enhancements/Fixes:
* PR #3933: Adds `.nbytes` property to CUDA device array objects.
* PR #4011: Add .inspect_ptx() to cuda device function
* PR #4054: CUDA: Use min/max PTX Instructions
* PR #4096: Update env-vars for CUDA libraries lookup
Documentation Updates:
* PR #3867: Code repository map
* PR #3918: adding Joris' Fosdem 2019 presentation
* PR #3926: order talks on applications of Numba by date
* PR #3943: fix two small typos in vectorize docs
* PR #3944: Fixup jitclass docs
* PR #3990: mention preprint repo in FAQ. Fixes #3981
* PR #4012: Correct runtests command in contributing.rst
* PR #4043: fix typo
* PR #4047: Ambiguous Documentation fix for guvectorize.
* PR #4060: Remove remaining mentions of autojit in docs
* PR #4063: Fix annotate example in docstring
* PR #4065: Add FAQ entry explaining Numba project name
* PR #4079: Add Documentation for atomicity of typed.Dict
* PR #4105: Remove info about CUDA ENVVAR potential replacement
Fixes:
* PR #3719: Resolves issue #3528. Adds support for slices when not using parallel=True.
* PR #3727: Remove dels for known dead vars.
* PR #3845: Fix mutable flag transmission in .astype
* PR #3853: Fix some minor issues in the C source.
* PR #3862: Correct boolean reinterpretation of data
* PR #3863: Comments out the appveyor badge
* PR #3869: fixes flake8 after merge
* PR #3871: Add assert to ir.py to help enforce correct structuring
* PR #3881: fix preparfor dtype transform for datetime64
* PR #3884: Prevent mutation of objmode fallback IR.
* PR #3885: Updates for llvmlite 0.29
* PR #3886: Use `safe_load` from pyyaml.
* PR #3887: Add tolerance to network errors by permitting conda to retry
* PR #3893: Fix casting in namedtuple ctor.
* PR #3894: Fix array inliner for multiple array definition.
* PR #3905: Cherrypick #3903 to main
* PR #3920: Raise better error if unsupported jump opcode found.
* PR #3927: Apply flake8 to the numpy related files
* PR #3935: Silence DeprecationWarning
* PR #3938: Better error message for unknown opcode
* PR #3941: Fix typing of ufuncs in parfor conversion
* PR #3946: Return variable renaming dict from inline_closurecall
* PR #3962: Fix bug in alignment computation of `Record.make_c_struct`
* PR #3967: Fix error with pickling unicode
* PR #3964: Unicode split algo versioning
* PR #3975: Add handler for unknown locale to numba -s
* PR #3991: Permit Optionals in ufunc machinery
* PR #3995: Remove assert in type inference causing poor error message.
* PR #3996: add is_ascii flag to UnicodeType
* PR #4009: Prevent zero division error in np.linalg.cond
* PR #4014: Resolves #4007.
* PR #4021: Add a more specific error message for invalid write to a global.
* PR #4023: Fix handling of titles in record dtype
* PR #4024: Do a check if a call is const before saying that an object is multiply defined.
* PR #4027: Fix issue #4020. Turn off no_cpython_wrapper flag when compiling for…
* PR #4033: [WIP] Fixing wrong dtype of array inside reflected list #4028
* PR #4061: Change IPython cache dir name to numba_cache
* PR #4067: Delete examples/notebooks/LinearRegr.py
* PR #4070: Catch writes to global typed.Dict and raise.
* PR #4078: Check tuple length
* PR #4084: Fix missing incref on optional return None
* PR #4089: Make the warnings fixer flush work for warning comparing on type.
* PR #4094: Fix function definition finding logic for commented def
* PR #4100: Fix alignment check on 32-bit.
* PR #4104: Use PEP 508 compliant env markers for install deps
Contributors:
* Benjamin Zaitlen
* Christoph Deil
* David Hirschfeld
* Dimitri Vorona
* Ehsan Totoni (core dev)
* Guilherme Leobas
* Leo Schwarz
* Lucio Fernandez-Arjona
* Max Bolingbroke
* NanduTej
* Nick White
* Ravi Teja Gutta
* Rob Ennis
* Sergey Shalnov
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Todd A. Anderson (core dev)
* Valentin Haenel (core dev)
Version 0.43.1
--------------
This is a bugfix release that provides minor changes to fix: a bug in branch
pruning, bugs in `np.interp` functionality, and also fully accommodate the
NumPy 1.16 release series.
* PR #3826: NumPy 1.16 support
* PR #3850: Refactor np.interp
* PR #3883: Rewrite pruned conditionals as their evaluated constants.
Contributors:
* Rob Ennis
* Siu Kwan Lam (core dev)
* Stuart Archibald (core dev)
Version 0.43.0
--------------
In this release, the major new features are:
- Initial support for statically typed dictionaries
- Improvements to `hash()` to match Python 3 behavior
- Support for the heapq module
- Ability to pass C structs to Numba
- More NumPy functions: asarray, trapz, roll, ptp, extract
NOTE:
The vast majority of NumPy 1.16 behaviour is supported, however
``datetime`` and ``timedelta`` use involving ``NaT`` matches the behaviour
present in earlier release. The ufunc suite has not been extending to
accommodate the two new time computation related additions present in NumPy
1.16. In addition the functions ``ediff1d`` and ``interp`` have known minor
issues in replicating outputs exactly when ``NaN``'s occur in certain input
patterns.
General Enhancements:
* PR #3563: Support for np.roll
* PR #3572: Support for np.ptp
* PR #3592: Add dead branch prune before type inference.
* PR #3598: Implement np.asarray()
* PR #3604: Support for np.interp
* PR #3607: Some simplication to lowering
* PR #3612: Exact match flag in dispatcher
* PR #3627: Support for np.trapz
* PR #3630: np.where with broadcasting
* PR #3633: Support for np.extract
* PR #3657: np.max, np.min, np.nanmax, np.nanmin - support for complex dtypes
* PR #3661: Access C Struct as Numpy Structured Array
* PR #3678: Support for str.split and str.join
* PR #3684: Support C array in C struct
* PR #3696: Add intrinsic to help debug refcount
* PR #3703: Implementations of type hashing.
* PR #3715: Port CPython3.7 dictionary for numba internal use
* PR #3716: Support inplace concat of strings
* PR #3718: Add location to ConstantInferenceError exceptions.
* PR #3720: improve error msg about invalid signature
* PR #3731: Support for heapq
* PR #3754: Updates for llvmlite 0.28
* PR #3760: Overloadable operator.setitem
* PR #3775: Support overloading operator.delitem
* PR #3777: Implement compiler support for dictionary
* PR #3791: Implement interpreter-side interface for numba dict
* PR #3799: Support refcount'ed types in numba dict
CUDA Enhancements/Fixes:
* PR #3713: Fix the NvvmSupportError message when CC too low
* PR #3722: Fix #3705: slicing error with negative strides
* PR #3755: Make cuda.to_device accept readonly host array
* PR #3773: Adapt library search to accommodate multiple locations
Documentation Updates:
* PR #3651: fix link to berryconda in docs
* PR #3668: Add Azure Pipelines build badge
* PR #3749: DOC: Clarify when prange is different from range
* PR #3771: fix a few typos
* PR #3785: Clarify use of range as function only.
* PR #3829: Add docs for typed-dict
Fixes:
* PR #3614: Resolve #3586
* PR #3618: Skip gdb tests on ARM.
* PR #3643: Remove support_literals usage
* PR #3645: Enforce and fix that AbstractTemplate.generic must be returning a Signature
* PR #3648: Fail on @overload signature mismatch.
* PR #3660: Added Ignore message to test numba.tests.test_lists.TestLists.test_mul_error
* PR #3662: Replace six with numba.six
* PR #3663: Removes coverage computation from travisci builds
* PR #3672: Avoid leaking memory when iterating over uniform tuple
* PR #3676: Fixes constant string lowering inside tuples
* PR #3677: Ensure all referenced compiled functions are linked properly
* PR #3692: Fix test failure due to overly strict test on floating point values.
* PR #3693: Intercept failed import to help users.
* PR #3694: Fix memory leak in enumerate iterator
* PR #3695: Convert return of None from intrinsic implementation to dummy value
* PR #3697: Fix for issue #3687
* PR #3701: Fix array.T analysis (fixes #3700)
* PR #3704: Fixes for overload_method
* PR #3706: Don't push call vars recursively into nested parfors. Resolves #3686.
* PR #3710: Set as non-hoistable if a mutable variable is passed to a function in a loop. Resolves #3699.
* PR #3712: parallel=True to use better builtin mechanism to resolve call types. Resolves issue #3671
* PR #3725: Fix invalid removal of dead empty list
* PR #3740: add uintp as a valid type to the tuple operator.getitem
* PR #3758: Fix target definition update in inlining
* PR #3782: Raise typing error on yield optional.
* PR #3792: Fix non-module object used as the module of a function.
* PR #3800: Bugfix for np.interp
* PR #3808: Bump macro to include VS2014 to fix py3.5 build
* PR #3809: Add debug guard to debug only C function.
* PR #3816: Fix array.sum(axis) 1d input return type.
* PR #3821: Replace PySys_WriteStdout with PySys_FormatStdout to ensure no truncation.
* PR #3830: Getitem should not return optional type
* PR #3832: Handle single string as path in find_file()
Contributors:
* Ehsan Totoni
* Gryllos Prokopis
* Jonathan J. Helmus
* Kayla Ngan
* lalitparate
* luk-f-a
* Matyt
* Max Bolingbroke
* Michael Seifert
* Rob Ennis
* Siu Kwan Lam
* Stan Seibert
* Stuart Archibald
* Todd A. Anderson
* Tao He
* Valentin Haenel
Version 0.42.1
--------------
Bugfix release to fix the incorrect hash in OSX wheel packages.
No change in source code.
Version 0.42.0
--------------
In this release the major features are:
- The capability to launch and attach the GDB debugger from within a jitted
function.
- The upgrading of LLVM to version 7.0.0.
We added a draft of the project roadmap to the developer manual. The roadmap is
for informational purposes only as priorities and resources may change.
Here are some enhancements from contributed PRs:
- #3532. Daniel Wennberg improved the ``cuda.{pinned, mapped}`` API so that
the associated memory is released immediately at the exit of the context
manager.
- #3531. Dimitri Vorona enabled the inlining of jitclass methods.
- #3516. Simon Perkins added the support for passing numpy dtypes (i.e.
``np.dtype("int32")``) and their type constructor (i.e. ``np.int32``) into
a jitted function.
- #3509. Rob Ennis added support for ``np.corrcoef``.
A regression issue (#3554, #3461) relating to making an empty slice in parallel
mode is resolved by #3558.
General Enhancements:
* PR #3392: Launch and attach gdb directly from Numba.
* PR #3437: Changes to accommodate LLVM 7.0.x
* PR #3509: Support for np.corrcoef
* PR #3516: Typeof dtype values
* PR #3520: Fix @stencil ignoring cval if out kwarg supplied.
* PR #3531: Fix jitclass method inlining and avoid unnecessary increfs
* PR #3538: Avoid future C-level assertion error due to invalid visibility
* PR #3543: Avoid implementation error being hidden by the try-except
* PR #3544: Add `long_running` test flag and feature to exclude tests.
* PR #3549: ParallelAccelerator caching improvements
* PR #3558: Fixes array analysis for inplace binary operators.
* PR #3566: Skip alignment tests on armv7l.
* PR #3567: Fix unifying literal types in namedtuple
* PR #3576: Add special copy routine for NumPy out arrays
* PR #3577: Fix example and docs typos for `objmode` context manager.
reorder statements.
* PR #3580: Use alias information when determining whether it is safe to
* PR #3583: Use `ir.unknown_loc` for unknown `Loc`, as #3390 with tests
* PR #3587: Fix llvm.memset usage changes in llvm7
* PR #3596: Fix Array Analysis for Global Namedtuples
* PR #3597: Warn users if threading backend init unsafe.
* PR #3605: Add guard for writing to read only arrays from ufunc calls
* PR #3606: Improve the accuracy of error message wording for undefined type.
* PR #3611: gdb test guard needs to ack ptrace permissions
* PR #3616: Skip gdb tests on ARM.
CUDA Enhancements:
* PR #3532: Unregister temporarily pinned host arrays at once
* PR #3552: Handle broadcast arrays correctly in host->device transfer.
* PR #3578: Align cuda and cuda simulator kwarg names.
Documentation Updates:
* PR #3545: Fix @njit description in 5 min guide
* PR #3570: Minor documentation fixes for numba.cuda
* PR #3581: Fixing minor typo in `reference/types.rst`
* PR #3594: Changing `@stencil` docs to correctly reflect `func_or_mode` param
* PR #3617: Draft roadmap as of Dec 2018
Contributors:
* Aaron Critchley
* Daniel Wennberg
* Dimitri Vorona
* Dominik Stańczak
* Ehsan Totoni (core dev)
* Iskander Sharipov
* Rob Ennis
* Simon Muller
* Simon Perkins
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Todd A. Anderson (core dev)
Version 0.41.0
--------------
This release adds the following major features:
* Diagnostics showing the optimizations done by ParallelAccelerator
* Support for profiling Numba-compiled functions in Intel VTune
* Additional NumPy functions: partition, nancumsum, nancumprod, ediff1d, cov,
conj, conjugate, tri, tril, triu
* Initial support for Python 3 Unicode strings
General Enhancements:
* PR #1968: armv7 support
* PR #2983: invert mapping b/w binop operators and the operator module #2297
* PR #3160: First attempt at parallel diagnostics
* PR #3307: Adding NUMBA_ENABLE_PROFILING envvar, enabling jit event
* PR #3320: Support for np.partition
* PR #3324: Support for np.nancumsum and np.nancumprod
* PR #3325: Add location information to exceptions.
* PR #3337: Support for np.ediff1d
* PR #3345: Support for np.cov
* PR #3348: Support user pipeline class in with lifting
* PR #3363: string support
* PR #3373: Improve error message for empty imprecise lists.
* PR #3375: Enable overload(operator.getitem)
* PR #3402: Support negative indexing in tuple.
* PR #3414: Refactor Const type
* PR #3416: Optimized usage of alloca out of the loop
* PR #3424: Updates for llvmlite 0.26
* PR #3462: Add support for `np.conj/np.conjugate`.
* PR #3480: np.tri, np.tril, np.triu - default optional args
* PR #3481: Permit dtype argument as sole kwarg in np.eye
CUDA Enhancements:
* PR #3399: Add max_registers Option to cuda.jit
Continuous Integration / Testing:
* PR #3303: CI with Azure Pipelines
* PR #3309: Workaround race condition with apt
* PR #3371: Fix issues with Azure Pipelines
* PR #3362: Fix #3360: `RuntimeWarning: 'numba.runtests' found in sys.modules`
* PR #3374: Disable openmp in wheel building
* PR #3404: Azure Pipelines templates
* PR #3419: Fix cuda tests and error reporting in test discovery
* PR #3491: Prevent faulthandler installation on armv7l
* PR #3493: Fix CUDA test that used negative indexing behaviour that's fixed.
* PR #3495: Start Flake8 checking of Numba source
Fixes:
* PR #2950: Fix dispatcher to only consider contiguous-ness.
* PR #3124: Fix 3119, raise for 0d arrays in reductions
* PR #3228: Reduce redundant module linking
* PR #3329: Fix AOT on windows.
* PR #3335: Fix memory management of __cuda_array_interface__ views.
* PR #3340: Fix typo in error name.
* PR #3365: Fix the default unboxing logic
* PR #3367: Allow non-global reference to objmode() context-manager
* PR #3381: Fix global reference in objmode for dynamically created function
* PR #3382: CUDA_ERROR_MISALIGNED_ADDRESS Using Multiple Const Arrays
* PR #3384: Correctly handle very old versions of colorama
* PR #3394: Add 32bit package guard for non-32bit installs
* PR #3397: Fix with-objmode warning
* PR #3403 Fix label offset in call inline after parfor pass
* PR #3429: Fixes raising of user defined exceptions for exec(<string>).
* PR #3432: Fix error due to function naming in CI in py2.7
* PR #3444: Fixed TBB's single thread execution and test added for #3440
* PR #3449: Allow matching non-array objects in find_callname()
* PR #3455: Change getiter and iternext to not be pure. Resolves #3425
* PR #3467: Make ir.UndefinedType singleton class.
* PR #3478: Fix np.random.shuffle sideeffect
* PR #3487: Raise unsupported for kwargs given to `print()`
* PR #3488: Remove dead script.
* PR #3498: Fix stencil support for boolean as return type
* PR #3511: Fix handling make_function literals (regression of #3414)
* PR #3514: Add missing unicode != unicode
* PR #3527: Fix complex math sqrt implementation for large -ve values
* PR #3530: This adds arg an check for the pattern supplied to Parfors.
* PR #3536: Sets list dtor linkage to `linkonce_odr` to fix visibility in AOT
Documentation Updates:
* PR #3316: Update 0.40 changelog with additional PRs
* PR #3318: Tweak spacing to avoid search box wrapping onto second line
* PR #3321: Add note about memory leaks with exceptions to docs. Fixes #3263
* PR #3322: Add FAQ on CUDA + fork issue. Fixes #3315.
* PR #3343: Update docs for argsort, kind kwarg partially supported.
* PR #3357: Added mention of njit in 5minguide.rst
* PR #3434: Fix parallel reduction example in docs.
* PR #3452: Fix broken link and mark up problem.
* PR #3484: Size Numba logo in docs in em units. Fixes #3313
* PR #3502: just two typos
* PR #3506: Document string support
* PR #3513: Documentation for parallel diagnostics.
* PR #3526: Fix 5 min guide with respect to @njit decl
Contributors:
* Alex Ford
* Andreas Sodeur
* Anton Malakhov
* Daniel Stender
* Ehsan Totoni (core dev)
* Henry Schreiner
* Marcel Bargull
* Matt Cooper
* Nick White
* Nicolas Hug
* rjenc29
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Todd A. Anderson (core dev)
Version 0.40.1
--------------
This is a PyPI-only patch release to ensure that PyPI wheels can enable the
TBB threading backend, and to disable the OpenMP backend in the wheels.
Limitations of manylinux1 and variation in user environments can cause
segfaults when OpenMP is enabled on wheel builds. Note that this release has
no functional changes for users who obtained Numba 0.40.0 via conda.
Patches:
* PR #3338: Accidentally left Anton off contributor list for 0.40.0
* PR #3374: Disable OpenMP in wheel building
* PR #3376: Update 0.40.1 changelog and docs on OpenMP backend
Version 0.40.0
--------------
This release adds a number of major features:
* A new GPU backend: kernels for AMD GPUs can now be compiled using the ROCm
driver on Linux.
* The thread pool implementation used by Numba for automatic multithreading
is configurable to use TBB, OpenMP, or the old "workqueue" implementation.
(TBB is likely to become the preferred default in a future release.)
* New documentation on thread and fork-safety with Numba, along with overall
improvements in thread-safety.
* Experimental support for executing a block of code inside a nopython mode
function in object mode.
* Parallel loops now allow arrays as reduction variables
* CUDA improvements: FMA, faster float64 atomics on supporting hardware,
records in const memory, and improved datatime dtype support
* More NumPy functions: vander, tri, triu, tril, fill_diagonal
General Enhancements:
* PR #3017: Add facility to support with-contexts
* PR #3033: Add support for multidimensional CFFI arrays
* PR #3122: Add inliner to object mode pipeline
* PR #3127: Support for reductions on arrays.
* PR #3145: Support for np.fill_diagonal
* PR #3151: Keep a queue of references to last N deserialized functions. Fixes #3026
* PR #3154: Support use of list() if typeable.
* PR #3166: Objmode with-block
* PR #3179: Updates for llvmlite 0.25
* PR #3181: Support function extension in alias analysis
* PR #3189: Support literal constants in typing of object methods
* PR #3190: Support passing closures as literal values in typing
* PR #3199: Support inferring stencil index as constant in simple unary expressions
* PR #3202: Threading layer backend refactor/rewrite/reinvention!
* PR #3209: Support for np.tri, np.tril and np.triu
* PR #3211: Handle unpacking in building tuple (BUILD_TUPLE_UNPACK opcode)
* PR #3212: Support for np.vander
* PR #3227: Add NumPy 1.15 support
* PR #3272: Add MemInfo_data to runtime._nrt_python.c_helpers
* PR #3273: Refactor. Removing thread-local-storage based context nesting.
* PR #3278: compiler threadsafety lockdown
* PR #3291: Add CPU count and CFS restrictions info to numba -s.
CUDA Enhancements:
* PR #3152: Use cuda driver api to get best blocksize for best occupancy
* PR #3165: Add FMA intrinsic support
* PR #3172: Use float64 add Atomics, Where Available
* PR #3186: Support Records in CUDA Const Memory
* PR #3191: CUDA: fix log size
* PR #3198: Fix GPU datetime timedelta types usage
* PR #3221: Support datetime/timedelta scalar argument to a CUDA kernel.
* PR #3259: Add DeviceNDArray.view method to reinterpret data as a different type.
* PR #3310: Fix IPC handling of sliced cuda array.
ROCm Enhancements:
* PR #3023: Support for AMDGCN/ROCm.
* PR #3108: Add ROC info to `numba -s` output.
* PR #3176: Move ROC vectorize init to npyufunc
* PR #3177: Add auto_synchronize support to ROC stream
* PR #3178: Update ROC target documentation.
* PR #3294: Add compiler lock to ROC compilation path.
* PR #3280: Add wavebits property to the HSA Agent.
* PR #3281: Fix ds_permute types and add tests
Continuous Integration / Testing:
* PR #3091: Remove old recipes, switch to test config based on env var.
* PR #3094: Add higher ULP tolerance for products in complex space.
* PR #3096: Set exit on error in incremental scripts
* PR #3109: Add skip to test needing jinja2 if no jinja2.
* PR #3125: Skip cudasim only tests
* PR #3126: add slack, drop flowdock
* PR #3147: Improve error message for arg type unsupported during typing.
* PR #3128: Fix recipe/build for jetson tx2/ARM
* PR #3167: In build script activate env before installing.
* PR #3180: Add skip to broken test.
* PR #3216: Fix libcuda.so loading in some container setup
* PR #3224: Switch to new Gitter notification webhook URL and encrypt it
* PR #3235: Add 32bit Travis CI jobs
* PR #3257: This adds scipy/ipython back into windows conda test phase.
Fixes:
* PR #3038: Fix random integer generation to match results from NumPy.
* PR #3045: Fix #3027 - Numba reassigns sys.stdout
* PR #3059: Handler for known LoweringErrors.
* PR #3060: Adjust attribute error for NumPy functions.
* PR #3067: Abort simulator threads on exception in thread block.
* PR #3079: Implement +/-(types.boolean) Fix #2624
* PR #3080: Compute np.var and np.std correctly for complex types.
* PR #3088: Fix #3066 (array.dtype.type in prange)
* PR #3089: Fix invalid ParallelAccelerator hoisting issue.
* PR #3136: Fix #3135 (lowering error)
* PR #3137: Fix for issue3103 (race condition detection)
* PR #3142: Fix Issue #3139 (parfors reuse of reduction variable across prange blocks)
* PR #3148: Remove dead array equal @infer code
* PR #3153: Fix canonicalize_array_math typing for calls with kw args
* PR #3156: Fixes issue with missing pygments in testing and adds guards.
* PR #3168: Py37 bytes output fix.
* PR #3171: Fix #3146. Fix CFUNCTYPE void* return-type handling
* PR #3193: Fix setitem/getitem resolvers
* PR #3222: Fix #3214. Mishandling of POP_BLOCK in while True loop.
* PR #3230: Fixes liveness analysis issue in looplifting
* PR #3233: Fix return type difference for 32bit ctypes.c_void_p
* PR #3234: Fix types and layout for `np.where`.
* PR #3237: Fix DeprecationWarning about imp module
* PR #3241: Fix #3225. Normalize 0nd array to scalar in typing of indexing code.
* PR #3256: Fix #3251: Move imports of ABCs to collections.abc for Python >= 3.3
* PR #3292: Fix issue3279.
* PR #3302: Fix error due to mismatching dtype
Documentation Updates:
* PR #3104: Workaround for #3098 (test_optional_unpack Heisenbug)
* PR #3132: Adds an ~5 minute guide to Numba.
* PR #3194: Fix docs RE: np.random generator fork/thread safety
* PR #3242: Page with Numba talks and tutorial links
* PR #3258: Allow users to choose the type of issue they are reporting.
* PR #3260: Fixed broken link
* PR #3266: Fix cuda pointer ownership problem with user/externally allocated pointer
* PR #3269: Tweak typography with CSS
* PR #3270: Update FAQ for functions passed as arguments
* PR #3274: Update installation instructions
* PR #3275: Note pyobject and voidptr are types in docs
* PR #3288: Do not need to call parallel optimizations "experimental" anymore
* PR #3318: Tweak spacing to avoid search box wrapping onto second line
Contributors:
* Anton Malakhov
* Alex Ford
* Anthony Bisulco
* Ehsan Totoni (core dev)
* Leonard Lausen
* Matthew Petroff
* Nick White