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Philip Hyunsu Cho hcho3

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Applied Scientist @ AWS. Area of interest: Machine learning systems & algorithms. Profile picture by rkddbgus2815@twitter

Amazon Web Services
East Palo Alto, CA
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https://hyunsu-cho.io

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Applied Scientist @ AWS. Area of interest: Machine learning systems & algorithms. Profile picture by rkddbgus2815@twitter

Amazon Web Services
East Palo Alto, CA
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https://hyunsu-cho.io

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Pinned

dmlc/xgboost

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, Flink and DataFlow

C++ 16.1k 6.7k
dmlc/treelite

model compiler for decision tree ensembles

C++ 261 30
dmlc/tvm

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

Python 3.6k 856
xgboost-json-schema

Python 2 2

769 contributions in the last year

Activity overview

Contributed to dmlc/xgboost, dmlc/treelite, dmlc/dmlc-core and 5 other repositories

Contribution activity

June 2019

hcho3 has no activity yet for this period.

May 2019

hcho3/website HTML May 29

Created a pull request in dmlc/xgboost that received 10 comments

[CI] Add Windows GPU to Jenkins CI pipeline

1. Add Windows GPU to Jenkins CI pipeline (see #4234). All pull requests will now be tested to ensure compatibility with Windows platform. 2. Fix #…

+98 −6 • 10 comments

Fix thread pinning for android target May 10

Fix C++11 config parser May 31
[jvm-packages] support distributed synchronization of customized evaluation metrics May 29
Simplify INI-style config reader using C++11 STL May 28
De-duplicate GPU parameters. May 28
Revert hist init optimization. May 26
Add support for cross-validation using query ID May 22
Add cuda 10.1 support May 14
Enable building with shared NCCL. May 8
[jvm-packages] Tutorial on handling missing values May 3
In AUC and AUCPR metrics, detect whether weights are per-instance or per-group May 2
Use feature interaction constraints to narrow search space for split candidates May 1

Update treelite submodule May 30
Add aarch64 support May 16
edit docker entry bash file to set threads accordingly May 15

Add xgboost May 3

stringstream default behaviour will lose precision May 2

Created an issue in dmlc/xgboost that received 6 comments

[BLOCKING] Latest XGBoost with CUDA fails to compile on Windows

OS: Windows Server 2012 R2 Compiler: Visual Studio 2017 (15.0.0+26228.76) CUDA: 9.0 CMake version: 3.12.0 I checked out the latest code from the …

6 comments

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