Table 8 Performance obtained by exhaustive search, OpenTuner, and BLEST-ML in tuning the PCA algorithm running on the MN4 supercomputer on the Traj_medium dataset
From: Block size estimation for data partitioning in HPC applications using machine learning techniques
Tuning technique | Tuning time | Number of tests | Best configuration | Best time (s) |
|---|---|---|---|---|
Exhaustive search | 9 h 23 min | 36 | \((2, \,16)\) | 236 |
OpenTuner [7] | 2 h 51 min | 12 | \((2,\, 16)\) | 236 |
BLEST-ML (ours) | \(2\cdot 10^{-3}\) s | − | \((4, \,16)\) | 270 |