Table 6 Comparison of multi-node with single-node results

From: A distributed ASTRA toolbox

	2 Nodes	3 Nodes	4 Nodes	16 Nodes
Parallel FP	0	0	0	0
Parallel BP	0	0	0	0
Parallel SIRT	0	0	0	0
Cone FP	5.7e−6	5.5e−6	5.6e−6	5.8e−6
Cone BP	3.7e−7	3.6e−7	3.8e−7	3.8e−7
Cone SIRT	2.3e−6	2.4e−6	2.4e−6	2.4e−6

Reported is the normalized root mean squared error (NRMSE), the square root of the mean squared error divided by the maximum value of the reference output

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