Add ref to Hao's SC25 paper

"""

Hao Lu's analytical HPL model. Ref:

    Lu et al., "Insights from Optimizing HPL Performance on Exascale Systems: 

    A Comparative Analysis of Panel Factorization", in SC'25 Proceedings.

Test using:

    python main.py run -w hpl -d

or:

    python raps/workloads/hpl.py    

"""

from raps.job import Job, job_dict

import numpy as np

        return {"T_total": total_T, "gpu_util": gpu_util, "cpu_util": cpu_util}

if __name__ == "__main__":

    import json

    import numpy as np

        print(f"Avg GPU util: {np.mean(job.gpu_trace):.3f}")

        print(f"Expected run time: {job.expected_run_time:.2f}")

        print()