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# BigData core chunk size in terms of no. of events
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ps_batch_size = 1000
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```
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## Running Spinifel
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- Obtain the environment and hop on an interactive node:
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```bash
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#!/bin/bash
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module purge
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source ./setup/env.sh
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salloc -N 1 -t 4:00:00 -C gpu --gpus=1 -A m1759 -q special --tasks-per-node=10
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```
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- Run Spinifel using one bigdata core. Note that you'll need to ask for three cores in this case since one is reserved for Smd0 (fixed) and another is for EventBuilder core (can be modified through ps_eb_nodes in toml file).
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```bash
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#!/bin/bash
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# Extend defaul smd0's buffer size to fit (special) BeginStep for demo data
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export PS_SMD_CHUNKSIZE=128000000
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srun -n 3 -G 1 python -m spinifel --settings=./settings/cgpu_mpi.toml --mode=mpi
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```
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Note: We nee
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* [Building Spinifel](building-spinifel) |
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\ No newline at end of file |