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SpecJEntreprise 2010 uses a lot NumberFormat default usage path (NumberFormat.getInstance() + format(double) method) to report data to end-user. This kind of usage is relevant is most business JEE server applications as well. This in turn translate to using DecimalFormat.format(...) methods either for currency or decimal usage. DecimalFormat.format() call stack has shown to consume a lot of CPU time in JEnt profiles (from 16% in 2010 to 6.5% recently (02-2011)). Improving format() call stack may bring a lot to SpecJEntreprise or Business server apps.
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