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Home»ADOPTION NEWS»The winner of the KAGGLE Competition will unveil the stacking strategy with Cuml.
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The winner of the KAGGLE Competition will unveil the stacking strategy with Cuml.

By Crypto FlexsMay 23, 20253 Mins Read
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The winner of the KAGGLE Competition will unveil the stacking strategy with Cuml.
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Lang Chai King
May 22, 2025 12:38

Kaggle Grandmaster Chris Deotte wins the Kaggle competition in April 2025 and uses CumL’s stacking to utilize GPU acceleration for fast and efficient modeling.





Kaggle Grandmaster Chris Deotte announced the secret in April 2025 in the Kaggle Competition. According to the NVIDIA developer blog, participants had to predict the podcast listening time, and the innovative approach of Deotte focused on stacking the model using NVIDIA’s cuml, a machine learning library accessible to the GPU.

Understanding stacking

Stacking is a sophisticated technology that combines the predictions of multiple models to improve performance. Deotte’s strategy included creating a three-stage stack from level 1 model, such as Gradient Boosted Decision Tree (GBDT), Deep Learning Neural Network (NN), and Support Vector Regression (SVR), and other machine learning models such as K-NAREARTE Neighbors (KNN). This model was educated using GPU acceleration to improve speed and efficiency.

Then I learned how to predict the goal based on various scenarios by training the level 2 model using the output of the level 1 model. Finally, the level 3 model ends with a powerful predictive model by meaning the output of the level 2 model.

Various prediction approach

In the competition, Deotte explored various prediction approaches by predicting the subject directly, predicting the ratio of the target for episodes, predicting residuals from linear relations, and predicting missing functions. Deotte has been able to identify the most effective strategies for the unique tasks of competition by using a variety of models with various architecture and hyper parameters.

Stack construction

After developing hundreds of different models, Deotte configured the final stack using the anterior function selection. The level 1 model output, known for the prediction of the waterfall (of), was used as a function of the level 2 model. Additional features, including engineering functions such as model trust and average prediction, have also been integrated.

Many level 2 models, including the GBDT and NN models, were trained, and the weighted average of predictions formed the final level 3 output. This high -end stacking technology achieved the cross -verification of 11.54 and the 11.44 personal leader board RMSE, ranking first in the competition.

conclusion

Deotte’s success shows the power of machine learning accessed in GPUs with Cuml. He quickly experimented with a variety of models to develop a prominent high -end solution in the field of competition. For more information on his strategy, visit the NVIDIA developer blog.

Image Source: Shutter Stock


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