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Weichen Xu commented on SPARK-10078:
As the detail problems I list above(I only list a small part
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Weichen Xu commented on SPARK-10078:
[~debasish83] But when we implement VF-LBFGS/VF-OWLQN base on
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Weichen Xu commented on SPARK-10078:
[~debasish83] Can L-BFGS-B be distributed computed when scaled
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Debasish Das commented on SPARK-10078:
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I looked into the code and I see we are replicating Breeze
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Yanbo Liang commented on SPARK-10078:
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+1 [~sethah]
> Vector-free L-BFGS
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>
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Seth Hendrickson commented on SPARK-10078:
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As a part of
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Yanbo Liang commented on SPARK-10078:
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[~debasish83] We are aim to implement VL-BFGS as an optimizer
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Yanbo Liang commented on SPARK-10078:
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[~sethah] The description is a little misleading, it means the
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Debasish Das commented on SPARK-10078:
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[~mengxr] [~dlwh] is it possible to implement VL-BFGS as
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Debasish Das commented on SPARK-10078:
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Ideally feature partitioning should be automatically
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Seth Hendrickson commented on SPARK-10078:
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[~yanboliang] I was a bit confused by the following
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Yanbo Liang commented on SPARK-10078:
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I posted the design document which is still WIP here. Please
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Yanbo Liang commented on SPARK-10078:
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Had offline discussion with [~mengxr] and [~josephkb], I will
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Kotaro Tanahashi commented on SPARK-10078:
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When vector-free L-BFGS applies 2D partitioning to
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Debasish Das commented on SPARK-10078:
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[~mengxr] will it be Breeze LBFGS modification or part of
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