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What are the OpenVMS differences among VAX, Alpha, and IA-64?

April 26, 2017Alpha differences ia-64 OpenVMS Vax

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What are the OpenVMS differences among VAX, Alpha, and IA-64?

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In terms of software, very few. As of OpenVMS V6.1, the OpenVMS VAX and OpenVMS Alpha platforms achieved “feature parity”. Subsequent work has seen significant enhancements and new features added on OpenVMS Alpha. OpenVMS I64 started with “feature parity” with OpenVMS Alpha at the V8.2 release, and OpenVMS Alpha and OpenVMS I64 are based on and built from the same source pool. (There are low-level platform-specific differences, and there is platform-specific code within the shared source code pool.) Most applications can just be recompiled and run.