Copy data from Ellpack to GHist. #8215
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This was referenced Sep 2, 2022
RAMitchell
approved these changes
Sep 6, 2022
| Xy = xgb.QuantileDMatrix(X[0], y[0], weight=w[0]) | ||
| booster_0 = xgb.train({"tree_method": "gpu_hist"}, Xy, num_boost_round=4) | ||
| # from CPU | ||
| Xy = xgb.QuantileDMatrix(X[0], y[0], weight=w[0], max_bin=max_bin) |
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This is very nice. The interface just works and there is no confusion for users.
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This enables XGBoost to train with
histtree method on CPU with GPU-initializedQuantileDMatrix.Related: #7890 .