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Bug 1759 - Check whether blocking is worthwhile for custom types
Summary: Check whether blocking is worthwhile for custom types
Alias: None
Product: Eigen
Classification: Unclassified
Component: Core - matrix products (show other bugs)
Version: 3.4 (development)
Hardware: All All
: Normal Optimization
Assignee: Nobody
Depends on:
Blocks: 3.x
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Reported: 2019-10-14 12:44 UTC by Christoph Hertzberg
Modified: 2019-12-04 18:50 UTC (History)
2 users (show)


Description Christoph Hertzberg 2019-10-14 12:44:12 UTC
Related to Bug 1758 (and, it may actually not worth to use blocking algorithms for custom types, especially if sub-optimal cache access is less expensive than copying.

This not only applies to GEMM/GEMV products but also, e.g., triangular solvers.
Comment 1 Gael Guennebaud 2019-10-14 20:32:25 UTC
Yes that's one of the many items I have had in my mind for years...
Comment 2 Nobody 2019-12-04 18:50:24 UTC
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