In [1]:

import logging

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logging.basicConfig(level="INFO")

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from cobra.io import load_model

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from cobra.flux_analysis import flux_variability_analysis

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model = load_model("iJO1366")

INFO:cobra.core.model:The current solver interface glpk doesn't support setting the optimality tolerance.

Scaling...
 A: min|aij| =  1.000e+00  max|aij| =  1.000e+00  ratio =  1.000e+00
Problem data seem to be well scaled

In [6]:

%time flux_variability_analysis(model, fraction_of_optimum=0.95, processes=1)

CPU times: user 7.15 s, sys: 119 ms, total: 7.27 s
Wall time: 7.55 s

Out[6]:

2583 rows × 2 columns

In [7]:

%time flux_variability_analysis(model, fraction_of_optimum=0.95, processes=4)

CPU times: user 106 ms, sys: 75.7 ms, total: 182 ms
Wall time: 4.74 s

Out[7]:

2583 rows × 2 columns

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