Use __ldg on Scalar Read-only Data Stores#1795
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havogt
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Aug 2, 2024
| #include "../meta.hpp" | ||
| #include "data_store.hpp" | ||
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| #if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 350 |
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see both comments in the other __ldg pr
| } | ||
| }; | ||
| template <class T> | ||
| struct const_ptr_wrapper { |
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Should that better live somewhere in the sid module and possibly become the default also for simple_ptr_holder?
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Closed in favor of #1802 |
fthaler
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Sep 24, 2024
Additionally fixes missing `host_view` etc. in const data stores. Gives speedups when combined with #1795.
havogt
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Sep 30, 2024
Additionally fixes missing `host_view` etc. in const data stores. Gives speedups when combined with #1795.
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Uses the
__ldginstruction on loads from read-only data stores with supported scalar data types. This might improve performance due to more optimal caching and helps NVCC to elide redundant load instructions.