* [shardformer] chatglm support sequence parallel
[shardformer] chatglm support sequence parallel
[shardformer] chatglm support sequence parallel
[shardformer] chatglm support sequence parallel
[shardformer] chatglm support sequence parallel
[shardformer] chatglm support sequence parallel
* fix
fix
fix
fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* [shardformer] jit fused fix
* activate checks
* [Test] test ci
* test ci
* test ci
* test ci
* test ci
* test ci
* test ci
* fix
* [shardformer/sequence parallel] Support sequence parallel for gpt2 (#4384)
* [sequence parallel] add sequence parallel linear col/row support (#4336)
* add sequence parallel linear col/row support
* add annotation
* add annotation
* add support for gpt2 fused qkv linear layer
* support sequence parallel in GPT2
* add docstring and note
* add requirments
* remove unused flash-attb
* modify flash attn test
* modify flash attn setting
* modify flash attn code
* add assert before divide, rename forward function
* [shardformer/test] fix gpt2 test with seq-parallel
* [shardformer/sequence parallel] Overlap input gather and grad computation during col backward (#4401)
* overlap gather input / grad computing during col backward
* modify test for overlap
* simplify code
* fix code and modify cuda stream synchronize
* [shardformer/sequence parallel] polish code
* [shardformer] gpt2 tests fix
[shardformer] test all optimizations (#4399)
[shardformer] test all optimizations
[shardformer] test all optimizations
[shardformer] test all optimizations
[shardformer] gpt2 tests fix
* [shardformer]update t5 to use all optimizations
* [shardformer] gpt2 tests fix
[shardformer] test all optimizations (#4399)
[shardformer] test all optimizations
[shardformer] test all optimizations
[shardformer] test all optimizations
[shardformer] gpt2 tests fix
* [shardformer] gpt2 tests fix
* add pipeline policy and bert forward to be done
* add bertmodel pipeline forward and make tests
* add Bert_Policy and test for policy
* update formatting
* update formatting
* update the code
* fix bugs
* fix name confilt
* add bloom model and policy ,revise the base class of policy
* revise
* revision
* add bert_for_pretraining
* add bert_for_pretraining forward and policy
* fix typos
* cancel warning
* change the imediate output to default dict
* change the default output of get_shared_params
* rewrite bert test
* rewrite bert test
* fix some bugs
* del pipeline tests
* del pipeline tests
* del useless print
* del useless print
* rewrite data repeats
* [shardformer] supported flash attention test dependency (#4158)
* [shardformer] fix flash attention utils test (#4180)
* [shardformer] opt support flash attention (#4163)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] add performance benchmark of shardformer (#4175)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] benchmark fix
* [shardformer] benchmark fix
* [shardformer] llama support flash attention (#4185)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] llama support flash attention
* [shardformer] llama support flash attention
* [shardformer] Move the import statement for xformer outside the forward function.
* [shardformer] gpt2 support flash attention. (#4191)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] gpt2 support flash attention
* [shardformer] gpt2 support flash attention
* [shardformer] gpt2 support flash attention
* [shardformer] bloom support flash attention (#4188)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] bloom suport flash attention
* [shardformer] add assert to sequence length
* [shardformer] fix
* [shardformer] fix
* [shardformer] fix
* [shardformer] bert support flash attention. (#4206)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] bert support flash attention
* [shardformer] t5 support flash attention. (#4216)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] t5 support flash attention
* [shardformer] t5 support flash attention
* fix typo
* fix typo
* fix typo
* fix typo
* fix typo
* fix typo
* [shardformer] support 'paddedcausal' type of attention mask in Coloattention. (#4215)
* added padded causal attn mask type for ColoAttention
* [shardformer]t5 flash attention fix (#4239)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] t5 flash attention fix
* [shardformer] update gpt2 to use coloattention. (#4234)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] update gpt2 to use coloattention
* [shardformer] update gpt2 to use coloattention
* [shardformer] update gpt2 to use coloattention
* [shardformer] update gpt2 to use coloattention
* [shardformer] update gpt2
* [shardformer] update opt and llama to use coloattention. (#4226)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt to use coloattention
* [shardformer]update opt
* [shardformer] shardformer support jit fused operator. (#4236)
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] opt support flash attention
* [shardformer] move to modeling
* [shardformer] move to modeling
* [shardformer] bloom support jit fused operator
* [shardformer] bloom support jit fused operator
* [shardformer] bloom support jit fused operator
* [shardformer] t5 support jit fused operator
* [shardformer] t5 support jit fused operator
* [shardformer] t5 support jit fused operator
* [shardformer] add roadmap of flash attention
* [shardformer] add roadmap of flash attention
* [shardformer] add roadmap of flash attention
* [shardformer] add type hint to 'self' param of forward
* [shardformer] merge feature/shardformer-models branch to feature/flash-attention-shardformer branch. (#4290)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
* [shardformer] whisper support flash attention (#4301)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] whisper support flash attention
* [shardformer] whisper support flash attention
* [shardformer]whisper support jit operator
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
* [shardformer] sam support flash attention (#4316)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] sam support flash attention
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
* [shardformer] merge blip2/chatglm (#4321)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] added tests
* [shardformer] vit test finish and support
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit
* [shardformer] support Blip2 (#4243)
* support base blip2
* add support for downstream blip2 model
* update readme
* add forward injection
* skip not compatible models test
* fix test for gemini and low_level_zero_pugin
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
* [shardformer] blip2 support flash attention and jit operator (#4325)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] added tests
* [shardformer] vit test finish and support
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit
* [shardformer] support Blip2 (#4243)
* support base blip2
* add support for downstream blip2 model
* update readme
* add forward injection
* skip not compatible models test
* fix test for gemini and low_level_zero_pugin
* [shardformer] blip2 support flash attention and jit operator
* [shardformer] blip2 support flash attention and jit operator
* [shardformer] blip2 support flash attention and jit operator
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
* [shardformer] chatglm support flash attention and jit operator (#4330)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] added tests
* [shardformer] vit test finish and support
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit
* [shardformer] support Blip2 (#4243)
* support base blip2
* add support for downstream blip2 model
* update readme
* add forward injection
* skip not compatible models test
* fix test for gemini and low_level_zero_pugin
* [shardformer] chatglm support flash attention and jit operator
* [shardformer] chatglm support flash attention and jit operator
* [shardformer] chatglm support flash attention and jit operator
* [shardformer] chatglm support flash attention and jit operator
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
* [shardformer] vit support flash attention and jit operator (#4334)
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* [shardformer] support SAM (#4231)
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* [shardformer] support whisper (#4212)
* support whisper
* fix bug in vocabembedding
* support downstream model of whisper
* update readme
* Feature/chatglm (#4240)
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* [shardformer] added tests
* [shardformer] vit test finish and support
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit
* [shardformer] support Blip2 (#4243)
* support base blip2
* add support for downstream blip2 model
* update readme
* add forward injection
* skip not compatible models test
* fix test for gemini and low_level_zero_pugin
* [shardformer] vit support flash attention and jit operator
* [shardformer] vit support flash attention and jit operator
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
* [pipeline] merge flash attention branch
* [pipeline] merge flash attention branch
* [pipeline] merge flash attention branch
* [pipeline] fix conflict
* [pipeline] fix conflict
* Merge branch 'feature/pipeline' into feature/pipeline
* Merge branch 'feature/pipeline' into feature/pipeline
* Merge branch 'feature/pipeline' into feature/pipeline
* activate checks
* activate checks
* activate checks
* activate checks
* activate checks
* activate checks
* activate checks
* activate checks
* fix flash attention tests
* gemini ignore whisper
* fix vit
* fix xformers import handle
---------
Co-authored-by: Frank Lee <somerlee.9@gmail.com>
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
* fix llama test
* fix test bug of bert, blip2, bloom, gpt2
* fix llama test
* fix opt test
* fix sam test
* fix sam test
* fix t5 test
* fix vit test
* fix whisper test
* fix whisper test
* polish code
* adjust allclose parameter
* Add mistakenly deleted code
* addjust allclose
* change loss function for some base model
* support base blip2
* add support for downstream blip2 model
* update readme
* add forward injection
* skip not compatible models test
* fix test for gemini and low_level_zero_pugin
* [shardformer] added tests
* [shardformer] vit test finish and support
* [shardformer] chatglm ready
* import chatglm
* [shardformer] add test kit in model zoo for chatglm
* [sharformer] add first version of policy of chatglm
* [shardformer] polish chatglm code
* [shardformer] polish code
* [shardformer] support chatglm without layernorm
* [shardformer] chatglm shard without mlp sharding
* [shardformer] delete some file
* [shardformer] ChatGLM support layernorm sharding
* [shardformer] register without auto policy
* [shardformer] pre-commit check files
* [shardformer] fix chatglm configuration with pre-commit
* 1.support sam 2.add fused qkv for nn.Linear
* update utils support set element in list
* overtwrite SamVisionAttention foward to use DropoutForParallelInput
* remove unused code
* add naive optimizer for 3DPlugin/refactor gpt2 shardformer test
* merge tests of PP/DP/TP combinations into one test file
* fix bug when sync grad for dp in HybridPlugin
* update supported precisions for 3DPlugin/fix bug when shifting tp_degree
* improve the passing of lazy_init
* modify lazy_init/use sync_shared_params
* refactor tests
* refactor bloom model
* finish policy tests
* refactor tests
* fix test pure pipeline
* remove test pipeline and cutdown launch process
* refactor tests
* refactor bloom model
* finish policy tests
* refactor tests
* fix test pure pipeline
* remove test pipeline and cutdown launch process
* Feature/vit support (#4182)
* [shardformer] added tests
* [shardformer] vit test finish and support
* fix attention dropout
* support base vit pipeline
* support vit downstream model
* fix vit shard test
* modify hidden states return type
---------
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
* complete policy for T5Model & T5ForConditionalGeneration
* modify function signature in forwards
* add forward for T5model
* add forward for T5ForConditionalGeneration
* fix a bug
* fix hidden_states transporting in decoder
* fix the passing of encoder_outputs
* bloom policy
* llama pipeline forward and tests
* fix the output and attention_mask
* fix name
* bind argument to policy
* Revert "bloom policy"
This reverts commit 8dee68a0a2.
This policy should be revert and copied to feature/bloom
* revert the bloom changes
* cancel unneeded inputs
* gpt
* finish llama
* causal lm and sequence classification
* revision
* add pure pipeline test
* fixed version
* fixed version
* pure pipeline
* opt forward and test
* pause
* finish opt model pipeline
* finish opt pipeline
* opt forward and test
* pause
* finish opt model pipeline
* finish opt pipeline
* fix opt
* set transformers version
* refactor the test pipeline
* bloom policy
* llama pipeline forward and tests
* fix the output and attention_mask
* fix name
* bind argument to policy
* Revert "bloom policy"
This reverts commit 8dee68a0a2.
This policy should be revert and copied to feature/bloom
* revert the bloom changes
* cancel unneeded inputs
* gpt
* finish llama
* causal lm and sequence classification
* revision
* add pure pipeline test
* finish some bert models
* finish all bert models
* finish bert tests
* fix bugs
* fix bugs
* fix test pipeline
* fix data gen for qa
* update the set pipeline forward
* shared params
* fix bugs
Bin Jia