International Business Machines Corporation

Mansi Gaba

Gurudayal Khosla

Shunmugaraja Periadurai

Stepwise execution of different instances of an application can be initiated, in parallel, in different computing environments. Responsive to an execution step being performed in the different computing environments, a determination can be made as to whether a first data set generated by an operation performed in the execution step by a first instance of the application matches a second data set generated by the operation performed in the execution step by a second instance of the application. If the data sets do not match, the second data set can be replaced with the first data set in memory of an operating system in which the second instance of the application is executed. At least one additional execution step can be performed. An indication of whether the additional execution step performed properly can be output.

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Gurgaon, India

Mansi Gaba