Table 4 consolidates results from previous tables and presents mean execution times along with speedup and parallel efficiency figures for the CloudBLAST and SparkBLAST (1 and 2 cores) systems. Table 4Mean execution times, speedups and parallel efficiency (Experiment 1 - query.fasta - 36 MB) - SparkBLAST vs CloudBLAST - Google Cloud# nodes1248163264SparkBLAST1 coreExec. time36,690.2018,984.6810,186.935,553.013,125.771,724.09898.02Speedup11.933.606.6111.7421.2840.86Efficiency10.970.900.830.730.670.64SparkBLAST2 coresExec. time28,983.4414,532.377,943.954,291.572,246.371,260.17693.30Speedup1.001.993.656.7512.9023.0041,81Efficiency1.001.000.910.840.810.720.65CloudBLASTExec. time30,547.2918,998.8012,122.535,869.122,965.061,740.84825.62Speedup1.001.612.525.2010.3017.5537.00Efficiency1.000.800.630.650.640.550.58