Job Efficiency¶

To determine the efficiency of your SLURM job, you can follow these steps:

Submit Your Job: First, submit your job to the SLURM scheduler using the sbatch command.
Terminal
```
sbatch my_job_script.sh
```
Monitor Job Progress: Use the squeue command to monitor the progress of your job.
Terminal
```
squeue -u your_username
```
Check Job Completion: Once your job is completed, you can check the job details using the sacct command.
Terminal
```
sacct -j job_id --format=JobID,JobName,Partition,Account,AllocCPUS,State,ExitCode
```
Analyze Job Efficiency: To analyze the efficiency of your job, you can use the seff command, which provides a summary of the job's resource usage.
Terminal
```
seff job_id
```
The seff command will output information such as:
- Job ID
- Job Name
- Partition
- User
- State
- Nodes
- Cores per node
- CPU Utilized
- CPU Efficiency
- Memory Utilized
- Memory Efficiency
Example output:
```
Job ID: 123456
Job Name: my_job
Partition: compute
User: your_username
State: COMPLETED
Nodes: 1
Cores per node: 4
CPU Utilized: 01:30:00
CPU Efficiency: 75.00% of 02:00:00 core-walltime
Memory Utilized: 2.00 GB
Memory Efficiency: 50.00% of 4.00 GB
```
Interpret Efficiency Metrics: The key metrics to look at are CPU Efficiency and Memory Efficiency. These metrics indicate how well your job utilized the allocated resources. Higher percentages indicate better efficiency.

By following these steps, you can determine the efficiency of your SLURM job and make any necessary adjustments to improve resource utilization in future runs.