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Upcast index to size_t in Refit #3228

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Jul 16, 2020
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@jtilly jtilly commented Jul 14, 2020

Closes #3227

Upcast index of leaf_preds to size_t. In the current implementation, the index is an int32, which will segfault with large data sets and a large number of estimators.

In the current implementation, the index is an int32, which will segfault with large data sets and a large number of estimators.
@jameslamb jameslamb added the fix label Jul 16, 2020
@StrikerRUS StrikerRUS merged commit f5f27ca into microsoft:master Jul 16, 2020
@jtilly jtilly deleted the patch-1 branch July 16, 2020 12:23
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This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this.

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Refit segfaults on large data sets
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