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Table 2 Computation times for enumerating all tryptic compositions up to the length of 30, for different sets of jobs and number of work processes, with and without the maximum mass limit

From: A parallel method for enumerating amino acid compositions and masses of all theoretical peptides

Task

Number

of Workers

Job Table

Computation Time

  

Number

of Jobs

start

L max,2

L max,3

L max,4

massMax = 3 kDa

no massMax

L = 30

1

1

1

-

-

-

6 h 03 min

35 h 11 min

 

5

30

2

-

-

-

2 h 12 min

14 h 52 min

 

30

30

2

-

-

-

1 h 39 min

13 h 32 min

 

30

255

≤ 3

20

-

-

28 min

5 h 02 min

 

71

255

≤ 3

20

-

-

27 min

4 h 57 min

 

71

679

≤ 5

20

24

28

11 min

1 h 20 min

  1. Computations were done using 71 work processes executed on a cluster with 12 Intel Xeon X5650 CPUs running Windows HPC Server 2008.