Guidelines on debugging and introduction to Totalview
Guidelines on debugging and introduction to Totalview
Guidelines on debugging and introduction to Totalview
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Debugging – floating point excepti<strong>on</strong>s• nothing generated <strong>on</strong> floating point excepti<strong>on</strong>.• Floating point trapping% xlf –qflttrap=overflow:invalid:zerodivide:enable \ –qsigtrap prog.f –o prog% ./prog...CPU overhead of up <strong>to</strong> 20%.• Core files – how <strong>to</strong> get a traceback % dbx ./prog core
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