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[fix] fix overflow in softmax_kernel when process long seqlen and big batch… #524

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merged 1 commit into from
Apr 19, 2023

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zhangxin81
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@zhangxin81 zhangxin81 commented Mar 28, 2023

when process query of 2000 seqlen and 20 batch_size with model of 32 head num,
qkoffset is up to 32 * 20 * 2000 * 2000 which int32 can not handle.
so, int is replaced by int64_t to avoid overflow.

@byshiue
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byshiue commented Mar 31, 2023

Thank you for the fixing. We are checking where this kernel may affect and need more time.

@byshiue byshiue merged commit adb21c3 into NVIDIA:main Apr 19, 2023
sfc-gh-ashankar added a commit to neevaco/FasterTransformer that referenced this pull request Jul 11, 2023
* Update beam_search_topk_kernels.cu

fix: fix bug of beam search

* fix: change int of some kernels to int64_t to prevent overflow

* fix: gpt tensor shapes inconsistency (NVIDIA#505)

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Update gpt_guide.md (NVIDIA#529)

* fix: fix bug of gpt buffer and gpt gemm overflow

* Update T5DecodingWeight.cc

fix: fix loading bug of t5

* [Enhancement]add pytorch backend support for gptneox (NVIDIA#550)

* add pytorch backend support for gptneox

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* fix early stopping invalid

* 1) Some unused parameters and logic have been removed. 2) Revisions that would affect pipeline parallelism have been reverted. 3) The code has been made capable of direct validation on TabbyML/NeoX-1.3B.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Change the names of classes, removing 'parallel' from their names

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Format the code.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Only print results when rank is 0.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Add dist.init_process_group().

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* update docs

Signed-off-by: AkiyamaYummy <842720660@qq.com>

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Update cublasMMWrapper.cc

Fix the CUBLAS_VERSION checking of cublasMMWrapper

* Update cublasMMWrapper.cc

* fix overflow in softmax_kernel when process long seqlen and big batch_size (NVIDIA#524)

* Update unfused_attention_kernels.cu

fix bug of softmax kernel

* [Enhancement]create huggingface_gptneox_convert.py (NVIDIA#569)

* create huggingface_gptneox_convert.py

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* adjust HF's multi bin files

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* update gptneox_guide.md

Signed-off-by: AkiyamaYummy <842720660@qq.com>

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* perf(bloom): improve performance of huggingface_bloom_convert.py, decrease the time cost and the mem using (NVIDIA#568)

Co-authored-by: r.yang <r.yang@tianrang-inc.com>

* Fix/gpt early stop (NVIDIA#584)

* fix: fix bug of early stopping of gpt

* [bugfix] Fix 2-shot All Reduce correctness issue (indexing bug). (NVIDIA#672)

FasterTransformer 2-shot all reduce is implemented as a reduce-scatter + all-gather. There is an indexing bug in the all-gather step. Prior to this change, 2-shot all reduce was only producing correct results on device 0. Now, all devices have the correct results.

* fix: swap tensor bug (NVIDIA#683)

* Support size_per_head=112 (NVIDIA#660)

* fix multi-gpu build

* add support for size_per_head=112 for gpt decoder

* remove mpi_cxx from multi-gpu build for now (NVIDIA#705)

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>
Co-authored-by: byshiue <bhsueh@nvidia.com>
Co-authored-by: _yummy_ <842720660@qq.com>
Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: zhangxin81 <115389973+zhangxin81@users.noreply.github.com>
Co-authored-by: 杨睿 <595403043@qq.com>
Co-authored-by: r.yang <r.yang@tianrang-inc.com>
Co-authored-by: Rahul Kindi <rkindi@users.noreply.github.com>
Co-authored-by: Perkz Zheng <67892460+PerkzZheng@users.noreply.github.com>
Co-authored-by: Daya Khudia <37562707+dskhudia@users.noreply.github.com>
Co-authored-by: Dean Wyatte <2512762+dwyatte@users.noreply.github.com>
sfc-gh-zhwang added a commit to neevaco/FasterTransformer that referenced this pull request Oct 5, 2023
* Merge with main (#1)

* Update beam_search_topk_kernels.cu

fix: fix bug of beam search

* fix: change int of some kernels to int64_t to prevent overflow

* fix: gpt tensor shapes inconsistency (NVIDIA#505)

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Update gpt_guide.md (NVIDIA#529)

* fix: fix bug of gpt buffer and gpt gemm overflow

* Update T5DecodingWeight.cc

fix: fix loading bug of t5

* [Enhancement]add pytorch backend support for gptneox (NVIDIA#550)

* add pytorch backend support for gptneox

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* fix early stopping invalid

* 1) Some unused parameters and logic have been removed. 2) Revisions that would affect pipeline parallelism have been reverted. 3) The code has been made capable of direct validation on TabbyML/NeoX-1.3B.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Change the names of classes, removing 'parallel' from their names

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Format the code.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Only print results when rank is 0.

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Add dist.init_process_group().

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* update docs

Signed-off-by: AkiyamaYummy <842720660@qq.com>

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* Update cublasMMWrapper.cc

Fix the CUBLAS_VERSION checking of cublasMMWrapper

* Update cublasMMWrapper.cc

* fix overflow in softmax_kernel when process long seqlen and big batch_size (NVIDIA#524)

* Update unfused_attention_kernels.cu

fix bug of softmax kernel

* [Enhancement]create huggingface_gptneox_convert.py (NVIDIA#569)

* create huggingface_gptneox_convert.py

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* adjust HF's multi bin files

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* update gptneox_guide.md

Signed-off-by: AkiyamaYummy <842720660@qq.com>

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>

* perf(bloom): improve performance of huggingface_bloom_convert.py, decrease the time cost and the mem using (NVIDIA#568)

Co-authored-by: r.yang <r.yang@tianrang-inc.com>

* Fix/gpt early stop (NVIDIA#584)

* fix: fix bug of early stopping of gpt

* [bugfix] Fix 2-shot All Reduce correctness issue (indexing bug). (NVIDIA#672)

FasterTransformer 2-shot all reduce is implemented as a reduce-scatter + all-gather. There is an indexing bug in the all-gather step. Prior to this change, 2-shot all reduce was only producing correct results on device 0. Now, all devices have the correct results.

* fix: swap tensor bug (NVIDIA#683)

* Support size_per_head=112 (NVIDIA#660)

* fix multi-gpu build

* add support for size_per_head=112 for gpt decoder

* remove mpi_cxx from multi-gpu build for now (NVIDIA#705)

---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>
Co-authored-by: byshiue <bhsueh@nvidia.com>
Co-authored-by: _yummy_ <842720660@qq.com>
Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: zhangxin81 <115389973+zhangxin81@users.noreply.github.com>
Co-authored-by: 杨睿 <595403043@qq.com>
Co-authored-by: r.yang <r.yang@tianrang-inc.com>
Co-authored-by: Rahul Kindi <rkindi@users.noreply.github.com>
Co-authored-by: Perkz Zheng <67892460+PerkzZheng@users.noreply.github.com>
Co-authored-by: Daya Khudia <37562707+dskhudia@users.noreply.github.com>
Co-authored-by: Dean Wyatte <2512762+dwyatte@users.noreply.github.com>

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---------

Signed-off-by: AkiyamaYummy <842720660@qq.com>
Co-authored-by: Asim Shankar <asim.shankar@snowflake.com>
Co-authored-by: byshiue <bhsueh@nvidia.com>
Co-authored-by: _yummy_ <842720660@qq.com>
Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: zhangxin81 <115389973+zhangxin81@users.noreply.github.com>
Co-authored-by: 杨睿 <595403043@qq.com>
Co-authored-by: r.yang <r.yang@tianrang-inc.com>
Co-authored-by: Rahul Kindi <rkindi@users.noreply.github.com>
Co-authored-by: Perkz Zheng <67892460+PerkzZheng@users.noreply.github.com>
Co-authored-by: Daya Khudia <37562707+dskhudia@users.noreply.github.com>
Co-authored-by: Dean Wyatte <2512762+dwyatte@users.noreply.github.com>
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