Table 1.

Weak scaling measurements–experiment #2: Problem and partition sizes for 1 to 32 nodes with 24 processes per node, i.e., 24–768 cores of HazelHen.

Nodes	3D Elements	1D El.	Pillars		Cubes
	pxex×pyey×pzez		px×py×pz	ex×ey×ez	px×py×pz	ex×ey×ez
1	2 × 12 × 8	2,304	1 × 6 × 4	2 × 2 × 2	1 × 6 × 4	2 × 2 × 2
2	4 × 12 × 8	4,608	1 × 6 × 8	4 × 2 × 1	2 × 6 × 4	2 × 2 × 2
4	4 × 12 × 16	9,216	1 × 12 × 8	4 × 1 × 2	2 × 6 × 8	2 × 2 × 2
8	4 × 24 × 16	18,432	1 × 12 × 16	4 × 2 × 1	2 × 12 × 8	2 × 2 × 2
16	8 × 24 × 16	36,864	1 × 24 × 16	8 × 1 × 1	4 × 12 × 8	2 × 2 × 2
32	8 × 24 × 32	73,728	1 × 24 × 32	8 × 1 × 1	4 × 12 × 16	2 × 2 × 2