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Tianqi Chen tqchen

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Large scale Machine Learning

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CMU, OctoML
https://tqchen.com/

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Pinned

apache/tvm Public

Open deep learning compiler stack for cpu, gpu and specialized accelerators

Python 9.4k 3k
dmlc/xgboost Public

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

C++ 24k 8.6k
apache/mxnet Public

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

C++ 20.4k 6.9k

1,222 contributions in the last year

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Contribution activity

April 2023

Created 66 commits in 5 repositories

Created 3 repositories

tqchen/web-llm Python Apr 16
tqchen/sentencepiece-js TypeScript Apr 6
tqchen/tokenizers-wasm Rust Apr 6

Created a pull request in apache/tvm that received 13 comments

[ARITH][BUGFIX] Fix a bug of iter map floormod(x,2) simplify

This PR fixes a previous bug introduced in itermap detection. Specifically, y - (x % 2) were simplified to y + (x % 2) - 1. Which is wrong. The wor…

+86 −65 • 13 comments

Opened 16 other pull requests in 2 repositories

apache/tvm 15 merged

[Unity][TARGET] Updates vulkan codegen for DeclBuffer Apr 16
[Unity] Improve error message in webgpu request Apr 16
[Unity] hotfix webgpu codegen for vec load Apr 15
[CODEGEN] Fix metal codegen when with only single working dim Apr 14
[Unity][CODEGEN] Fix metal codegen when with only single working dim Apr 14
[Unity] Update specific builtins for LM Apr 13
[Unity] Fix ForceNarrowI32 with pod arguments Apr 12
[ARITH][TensorIR] Improve CompactBufferRegion for symbolic shape Apr 11
[TensorIR] Fix ComputeAt with perfect symbolic bound Apr 11
[Unity] Enable pod args in WebGPU Apr 10
[Unity] Fix emit_te with symbolic input Apr 10
[ARITH] Enhance IterMapSimplify for symbolic Apr 9
[ARITH] Enhance CanonicalSimplify to Simplify ProdDiv Apr 8
[ARITH] Enhance CanProve to handle symbolic bound Apr 6
[Unity][VM] Add Attention KV cache builtin Apr 3

mlc-ai/web-llm 1 merged

Web add reset Apr 14

Reviewed 58 pull requests in 5 repositories

apache/tvm 25 pull requests

[Unity] enable_warning option for LegalizeOps and MSApplyDatabase Apr 17
Adding powerPreference argument to navigator.gpu.requestAdapter Apr 17
Fix bug about wrong attribute name Apr 16
[Unity] update ci cpu/gpu images Apr 16
[Unity] BlockBuilder assigning unique tensor names in call_te Apr 15
[Unity][Frontend] Some changes on the PyTorch FX Frontend Apr 15
[Unity][VM] LibComparator using dtype from input Apr 14
[Unity][Bugfix] Resolve failure on test_e2e_op_dynamic.py Apr 14
[Unity][VM] Converting tuple arg to Python tuple Apr 14
[Node] Allow alternative root names in ObjectPath::Root() Apr 12
[CI] Add JAX deps in Dockerfiles Apr 12
[Unity][PyTorch] Disable gradient during dynamo subgraph capture to save RAM Apr 12
[ARITH][TensorIR] Improve CompactBufferRegion for symbolic shape Apr 12
[Fix][TIR][Analysis] Reduction block checking alloc_buffers Apr 11
[TIR][Schedule] Method returning the function being worked on Apr 11
[Docs] Fix typo in the Vitis AI Integration docs Apr 11
[Unity][IR] Purity Tracking Apr 11
[ARITH][BUGFIX] Fix a bug of iter map floormod(x,2) simplify Apr 11
[Unity][MetaSchedule] Skip Scheduled PrimFuncs in Task Generation Apr 11
[Fix][TIR] UnifyThreadBinding creating unit loop with annotation Apr 11
[Unity][TVMScript] Update struct_info for GlobalVar Apr 11
[Unity] Enhance Dynamic-aware FuseTIR Apr 11
[Arith] Simplifications for floormod(x, 2) Apr 11
[Unity][Op] add einsum and flip in Relax Apr 10
[Unity][Op] Symbolic shape support of take grad Apr 10
Some pull request reviews not shown.

mlc-ai/web-stable-diffusion 2 pull requests

Update README.md Apr 18
Fix typo with double "the" Apr 17

mlc-ai/mlc-en 2 pull requests

Fix a typo in case_study.md Apr 5
Fix a typo in chapter_tensor_program/case_study.py Apr 5

mlc-ai/web-llm 1 pull request

Add Readme Apr 14

mlc-ai/relax 1 pull request

[Pass][Fix] Merging DecomposeOps and SimplifyNorm Apr 5