Task #3171
schedule CPU H2D force contribution in separate stream
Description
In order to be able to overlap the H2D copy of CPU force contribution with compute kernels running on the GPU, the copy needs to be scheduled in a different stream than the local/nonlocal NB streams where it it done currently. In the current setup, unless PME completes significantly later than the PP tasks, most/all H2D time ends up non-overlapped.
Related issues
History
#1 Updated by Szilárd Páll about 1 year ago
- Related to Feature #2888: CUDA Update and Constraints module added
#2 Updated by Szilárd Páll about 1 year ago
- Related to Feature #2817: GPU X/F buffer ops added
#3 Updated by Szilárd Páll about 1 year ago
- Related to Feature #2890: GPU Halo Exchange added
#4 Updated by Szilárd Páll about 1 year ago
- Related to Task #3170: investigate GPU f buffer ops use cases added
#5 Updated by Szilárd Páll about 1 year ago
- Target version changed from 2020 to 2020-rc1
#6 Updated by Paul Bauer 12 months ago
- Target version changed from 2020-rc1 to 2021-infrastructure-stable
doesn't seem to be happening