GitLab

* Setup XPU CI

* CI: expand XPU matrix

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* skip some fp4 tests on hpu

* skip some fp4 tests on hpu

* skip gemv tests on hpu

* test

* Additional test patches for HPU

* HPU test update

* HPU test update

* HPU test update

* HPU test update

* Format

* Deprecation cleanup: remove histogram_scatter_add_2d

* Deprecation cleanup: vectorwise_mm_dequant

* Deprecation cleanup: vectorwise_quant

* Remove unused test

* Optimizer test cleanup

* Deprecations: remove estimate_quantiles, create_quantile_map

* Move deprecated test

* enable ipex
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix cpu 8bit quantization
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix int8 and nf4 cpu inference
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* add cpu fp4 and rem
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix dequantize nf4 xpu
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix ipex op
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix dequantize nf4 name
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix dequantize nf4 ipex
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix matmul8bitfp
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* enable cpu tests
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix format
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix quantize blockwise output shape
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix quant_storage bf16 and gemv cpu
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix cpu tests
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix xpu tests
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix lib
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* skip xpu dequantize blockwise op check
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix matmul8bit
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* skip not used function teests
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix matmul8bit fp
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* check ipex before MatMul8bitFp
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* update ipex install guide
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* update install guide
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix error log
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix error lof
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* update comment
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* move torch op to default
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* revert ipex check
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix code tabledevice
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix code table device
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* fix xpu ops
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

---------
Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

* Test g5g runner

* Switch L4 to L40S runner; swap GitHub Linux T4 runner for AWS g4dn

* Run tests on last 2 pytorch stable releases

* Run tests on last 2 pytorch stable releases

* Additional 4bit CPU ops

* Additional 4bit CPU ops

* Implement additional device-agnostic ops and test updates

* More test fixes

* int8 tests passing

* Fix feature flag for multi_backend

* Include device support tags for transformers multi-backend compatability; add xpu() and cpu() to Params4bit

* Make test suite more device-agnostic

* Additional device agnostic tests

* Additional device agnosticism for tests

* Add BNB_TEST_DEVICE env var to manually select device for unit tests

* Include device support tags for transformers multi-backend compatability; add xpu() and cpu() to Params4bit

* Make test suite more device-agnostic

* Additional device agnostic tests

* Additional device agnosticism for tests

* Add BNB_TEST_DEVICE env var to manually select device for unit tests

* Small bugfix for int8 test

* Exclude backward() from code coverage reports

* Params4bit: don't try to quantize when moving to meta device

* Start of int8 refactor: remove col32/col_ampere/col_turing transforms in new igemmlt implementation

* Fix unintended change

* New naive mm_dequant kernel for row-major; cleanup

* fix

* int8 refactor: initial sparse decomp, cleanup

* Int8 refactoring: remove separate NO_CUBLASLT build; more cleanup

* int8: inference optimizations, some cleanup

* int8: more tests passing, cleanup

* int8 - more cleanup, most tests passing

* int8: specify CUDA stream for int8 ops

* perf: reduce overhead from getting cudaStream ptr

* Mark some functions for deprecation.

* int8 sparse decomp: small perf improvement

* update setup.py

* Update bitsandbytes/autograd/_functions.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Update bitsandbytes/research/autograd/_functions.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* int8 - perf improvement for sparse decomposition inference; deprecate get_tensor_stream() in favor of new private fn

* int8 cleanup

* Ignore ruff rule ISC001 (incompatible with formatter)

* add comment

* int8 more cleanup

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* int8: rename / deprecate old fn signatures

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* type annotation

* format update

* Update bitsandbytes/research/autograd/_functions.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* cleanup

* Add comment to explain division optimization

* more cleanup

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Update bitsandbytes/functional.py
Co-authored-by: Aarni Koskela <akx@iki.fi>

* cleanup

* Type annotations, cleanup

* remove unused kernels; improved type annotations

* small perf optimization for single-GPU systems

* small perf optimization for single-GPU systems

* update docstrings

* Improve docs and tests

* Update docstring

* Update test

* add benchmarking script

* test cleanup: add deprecated marker, move benchmarks out

* Add int8 dequant function; misc improvements

* int8 matmul fallback for inner dims not divisible by 4

* improve register usage of kInt8VectorQuant - especially for A100/H100

* disable fail-fast for package build

* maxwell compat

* ptxas verbose

* docs update

* doc update

* backward fix

* Bugfix sparse decomp

* Int8 fix for PEFT OLoRA init

* Fix test for deprecated spmm_coo

* test improvement

* doc update

* typo

* doc cleanup

* docs

* add inference benchmark script

* Add benchmarks, doc update

---------
Co-authored-by: Aarni Koskela <akx@iki.fi>

* Embedding4bit and Embedding8bit implementation

* lint

* Update bitsandbytes/nn/modules.py
Co-authored-by: Matthew Douglas <38992547+matthewdouglas@users.noreply.github.com>

* Update bitsandbytes/nn/modules.py
Co-authored-by: Matthew Douglas <38992547+matthewdouglas@users.noreply.github.com>

* Update bitsandbytes/nn/modules.py
Co-authored-by: Matthew Douglas <38992547+matthewdouglas@users.noreply.github.com>

* saving -> Saving

---------
Co-authored-by: Matthew Douglas <38992547+matthewdouglas@users.noreply.github.com>

* fixed test_4bit_warnings on cpu-only platforms

* fixed linear8bit-based tests for cpu only platforms

Co-authored-by: Titus von Koeller <titus@vonkoeller.com>

fix erroneous correction

* test_nvidia_transform: fix variable reference

`out_order` is the global parametrization list, not the test fixture argument

* Make `parametrize` use more idiomatic

* Use a more deterministic helper for `dim*` determination

* Convert NO_CUBLASLT errors into skips too

* Mark slow and benchmark tests as such (allows `-k "not benchmark"`)

* Adjust Ruff configuration

* do not autofix always
* be less strict around tests and benchmarks
* adjust ignores for now

* Ruff: autofix I and F401

* Apply ruff autofixes

* Fix RUF013 complaint

* Fix mutable default in replace_linear

* Don't use bare except

* Wrap bitsandbytes.__main__ entrypoint in function; fix "sensible" typo

* Fix ruff B008 (function call in arguments)

* Add ruff noqas as suitable

* Fix RUF005 (splat instead of concatenating)

* Fix B018 (useless expression)

* Add pre-commit configuration + GitHub Actions lint workflow

* Fix unused `e` in bitsandbytes/__main__.py

* fix merge conflict resolution error

* run pre-commit hook

---------
Co-authored-by: Titus <9048635+Titus-von-Koeller@users.noreply.github.com>

* implicitly skip any test that implicitly uses CUDA on a non-CUDA box
* add a `requires_cuda` fixture

via pyupgrade --py37-plus. The changes e.g. are subclassing from object, calling super() with super(ThisClass, self), or old-style syntax formatting.