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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
  1. 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