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Parallelize CircleCI Tests #355

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Parallelize CircleCI Tests #355

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yuanandonly
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What does this PR do?

Parallelizes CircleCI tests

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  • Was this discussed/approved via a Github issue? (no need for typos, doc improvements)
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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jul 26, 2022
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codecov-commenter commented Jul 27, 2022

Codecov Report

Merging #355 (d66b7ab) into main (3a7b713) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #355      +/-   ##
==========================================
+ Coverage   93.93%   93.95%   +0.02%     
==========================================
  Files          70       70              
  Lines        3988     3988              
==========================================
+ Hits         3746     3747       +1     
+ Misses        242      241       -1     
Flag Coverage Δ
Python 93.95% <ø> (+0.02%) ⬆️

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Impacted Files Coverage Δ
xformers/triton/layer_norm.py 90.47% <0.00%> (+1.58%) ⬆️

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Currently I have set the parallelism parameter to 4, but could be changed later on

@dianaml0 dianaml0 requested a review from fmassa July 27, 2022 18:45
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Thanks for finding an opportunity to speed up the tests!

@yuanandonly yuanandonly force-pushed the circleci_parallelism branch from 3558e72 to 1c74c17 Compare July 28, 2022 08:18
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Interesting approach!

I'm wondering if you've considered using pytest-xdist to parallelize the tests. You could then run it with pytest -n <num_jobs> tests.

Do you have thoughts on this?

fmassa added a commit that referenced this pull request Aug 10, 2022
* Optimize backward by 15% by using equivalent formulation

* Unify everything into single kernel

* Remove unused implementation

* clang-format

* Remove unused tensor
fmassa added a commit that referenced this pull request Aug 25, 2022
* Enable masking in memory-efficient attention (#333)

* Add attention bias in memory-efficient attention

* Add gradient for attn_mask support

* Add CPU implementation

* clang-format

* Add benchmark scripts

* Add extra loop in benchmarks

* Move zeros array out of helper function

* clang-format

* Enable dropout in memory-efficient attention (#334)

* Merge compute_scaling_coeffs and update_scaling_coeffs into a single function

It wasn't needed to break it in two functions to begin with

* Add CUDA implementation for dropout

* clang-format

* Make p be drop probability

* Only CUDA supports dropout

* Add benchmarks

* Remove unused variables

* Fix test

* Cleanups and comments

* Fix masking corner case when full block is masked (#339)

* Add cutlass 2.9 - 858c735856a7f17bd33fe438ec76d3c9f0234e7f

* Option to load from shared memory for PredicatedTileIterator

* Add cutlass include dir

* Ignore files in third-party for flake8/coverage

* third-party -> third_party

* Address comments

* Revert some un-needed mods

* Add attention_forward_generic.cu

* Add tests

* Fix duplicate calculations on baseline for mem efficient transformers

* Always run all linters in CI

* clang-format attention_forward_generic.cu

* Benchmark: Add possibility to compare benchmarks

* [isort] Ignore third_party

* black autoformat

* Black again + ignore third_party properly

* black

* Fix memory leak between the 2 benchmarks in backward

* Exclude third_party/ without using pyproject.toml as it imposes isolated build which is a pain

* Remove progress bar when finished

* mypy

* flake8

* Save results to shared folder in home location

* run black

* clang-format with 'run-clang-format.py'

* Fix cutlass build for arch>=75

* Set tests precision for gradient more accurately

* Fix precision margin

* Revert changes to black

* [feat] Fix importing xformers when not built (#351)

authored-by: danthe3rd <danthe3rd@users.noreply.github.com>

* Update black to 22.3.0

* Tweak precision for mem_eff_attention test

* mem-efficient impl for f16 (#352)

Co-authored-by: danthe3rd <danthe3rd>

* Add support for f16 with tensorcores [sm70/sm75/sm80] (#354)

* Add support for f16 with tensorcores

* sm75 minimum for tensorcores

* Run tests with CUDA_LAUNCH_BLOCKING=1

* Support sm70 properly

* Disable tensorcore when not correctly aligned - and use 32bit accessors

Co-authored-by: danthe3rd <danthe3rd>
Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>

* Optimize backward of memory-efficient attention by ~20% (#355)

* Optimize backward by 15% by using equivalent formulation

* Unify everything into single kernel

* Remove unused implementation

* clang-format

* Remove unused tensor

* Display results as we progress during benchmark (#357)

Co-authored-by: danthe3rd <danthe3rd>

* RFC: Ops dispatch (#356)

* Ops dispatch

* CI: Fix doc build

* memory_efficient_attention raises when no implementation is available

* type: ignore

* Fix torch.device/str comparison

* Make mypy happy

Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>
Co-authored-by: danthe3rd <danthe3rd>

* [A100/f32] Use TensorCores for Q.K_t matmul with FastF32 (#358)

* Use TensorCores for MM0 on Float as well

* Use MultiStage MMA when available - change to FastF32 rather than FastF16

* Better alignment calculation

* Just use regular f32, no fastf32

* Hackfix to handle alignment

* HeuristicsMM0 -> GemmTypeQK

* No longer use f16 for matmul

* Add some doc

* Typo

* Fix build <sm80

* Alignment check based on current device compute capability

* Use TORCH_INTERNAL_ASSERT

Co-authored-by: danthe3rd <danthe3rd>

* FlashAttention implem and dispatch (#360)

* FlashAttention implem WIP

* Fix flashattention forward+backward

* Fix forward/backward for FlashAttention

* Enable tests (more permissive) for f16 backward

* Fix CI

* flashattn only supports Sm75 and above

* Fix CI2

* Disable K=128 when below sm80 for flashattn

Co-authored-by: danthe3rd <danthe3rd>

* Misc performance improvements for generic mem-efficient attention (#361)

* 3% speedup by calculating mi from registers

* Also compute m_prime/s_prime and exponentiate from registers

* Support for Simt tiles

* Fix TensorOp for V100

* Fix for A100

* Fix Simt alignment calculation

* clang-format

* WarpReduction before atomic call for Simt

Co-authored-by: danthe3rd <danthe3rd>
Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>

* Update flashattention to support bf16 (#363)

* Update flashattention to support bf16

* bfloat16 only on sm80 and above

Co-authored-by: danthe3rd <danthe3rd>

* Flashattn causal (#364)

* Implement causal memory-efficient attention with FlashAttention

* Update benchmarks

* Fix mypy

Co-authored-by: danthe3rd <danthe3rd>

* Option to disable flashattention (long to build) (#362)

* Option to disable flashattention (long to build)

* Update setup.py

Co-authored-by: danthe3rd <danthe3rd>

* Remove code duplicate in attention_scaling_coefs_updater.h (#367)

Co-authored-by: danthe3rd <danthe3rd>

* Update .gitmodules (#366)

* MemoryEff attention forward: Properly fuse matmul and enable TensorCores on the second matmul (#368)

* Generic backwards

* Guard backward to sm75 only

* bounds checking for gradV

* clang-format

* Fused gemm working for Sm80/Sm75 f16/f32

* WIP

* Volta TensorOp for f16

* Working on A100 again

* SIMT working

* Code cleanup 1

* Code cleanup2

* BUGFIX for shared memory limit

* Remove code

* clang-format

* Remove code again

* Remove draft of backward

* Enforce alignment for fp16

* Fix tests

* Fix constraint on seq length when not using tensorcores

* Fix alignment requirements for V100/tensorcores

* Clang-format

* Update xformers/components/attention/csrc/cuda/attention_forward_generic.cu

Co-authored-by: Francisco Massa <fvsmassa@gmail.com>

* Address comments from fmassa

Co-authored-by: danthe3rd <danthe3rd>
Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>
Co-authored-by: Francisco Massa <fvsmassa@gmail.com>

* Update install instructions with submodule (#365)

* Generic backward implem with cutlass (#371)

* Old bw code

* P100: gradV working

* gk/gq working (at least for small values of M, and on P100/f16)

* Further restrict supported values for bw

* Fix storage into smem for Simt

* More tooling for pruint/debug

* Remove tests we dont need for now

* Tests pass on P100 :D

* 4 warps per block

* Restraint on q length

* Use tensorcores on V100 for f16

* Support dynamic smem for bw

* Handle alignment and different dtype/arch

* Fix NaNS by initializing shared memory

* bw.py

* Fix launch bounds

* Faster 'computeDi'

* minus_lse can operate on arrays

* Output number of regs used etc...

* Code cleanup

* Hackfix for alignment check during forward

* zFill to avoid nans in Sm80 + fix launch bounds

* COde cleanup1

* clang-format

* Fix tests

* Add benchmark for K=64

Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>
Co-authored-by: danthe3rd <danthe3rd>

* Cutlass as submodule (#375)

* Make cutlass be back at 858c735856a7f17bd33fe438ec76d3c9f0234e7f

* Remove cutlass

* Update submodules

* Add submodule (properly)

* spaces / tab

* Make submodule init be recursive

* Fix bad rebase

* Bump tolerance for backward (#377)

* Add verbose flag to CI builds (#376)

* Add verbose flag to CI builds

* Spurious change to rebuild cache

* Add ninja

* Ninja wasn't visible before, install through conda

* Debugging

* Source env

* One more try

* Forgot to uncomment a line

* Another try

* Cleanup

* Fix for FlashAttention dispatch

It requires device capability >= 7.5

* Remove generated file

* Address some reviewer feedback

Remove unused function and typo fix

* Perf improvement on backward (#378)

* Fast again on V100

* Fix correctness - missing syncthreads

* Get rid of AttentionInfo

Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>

Co-authored-by: danthe3rd <danthe3rd@users.noreply.github.com>
Co-authored-by: dan_the_3rd <43445237+danthe3rd@users.noreply.github.com>
@danthe3rd danthe3rd closed this Mar 6, 2024
bertmaher pushed a commit to bertmaher/xformers that referenced this pull request Dec 20, 2024
…arch#355)

* Optimize backward by 15% by using equivalent formulation

* Unify everything into single kernel

* Remove unused implementation

* clang-format

* Remove unused tensor
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