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Open Source Code Is As Good As Proprietary, Says Coverity

Feb 23, 2012, 18:02 (0 Talkback[s])

[ Thanks to Peter Judge for this link. ]

"During 2011, the company tested open source projects that totalled over 37 million lines of code and the report also details the results of 300 million lines from anonymous proprietary software produced by Coverity Scan users.

"On running the scans, it was found that the average defect density (number of defects per 1,000 lines) for open source was 0.45. In the proprietary code the same scan produced an index of 0.64. In both cases this is better than the 1.0 average defect density measured in commercial software.

"The cleanest code was found to be Linux 2.6, PHP 5.3, and PostgreSQL 9.1 which weighed in at 0.62, 0.20 and 0.21 respectively. Coverity said that this recognised superior code quality defines the projects as industry benchmarks."

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