Create four problem configurations for Branson
@rfhaque is already working on this.
Since Jan 16, 2026.
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Description
The following problem configurations need to be made for Branson.
These problems should have scripts / input decks.
Scripts / input decks must be version controlled, either in the llnl/benchmarks or in lanl/branson
We need to determine if we will use a branch on lanl/branson or a tag or ..
In order of priority:
- [ ] GPU, decomposed, history, SoA
- [ ] GPU, decomposed, event, SoA
- [ ] GPU, decomposed, event, AoS
- [ ] CPU, decomposed, history, SoA
We need to do a throughput study on the GPUs to understand the GPU saturation.
- [x] Single node, plot the computation rate (segments/second or particles/second) as a function of number of particles, and find the point where the speed saturates. Possibly starting with 2M particles per GPU, and increasing the number of particles until the problem OOMs.
- [ ] Need an initial problem defined, single node and hopefully multi-node
- [ ] Build and run on AMD and NVIDIA GPUs
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