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Apple Computing Products:
macOS - Apps and Programs
why do word processors take so long to start up
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<blockquote data-quote="technologist" data-source="post: 379941" data-attributes="member: 4134"><p>The JVM is very much an emulator...it's emulating a machine (a hypothetical Java-bytecode-executing machine) that is totally unlike the hardware on which it is actually running.</p><p></p><p>Contrast this with Parallels or VMWare, which create virtual machines that are essentially a mirror of the real machine on which they're running. Parallels exposes an x86 CPU on a system that already has an x86 CPU.</p><p></p><p>Compare it with VirtualPC on a PowerPC Mac, another emulator which emulates an x86 CPU on totally different hardware (a PowerPC CPU.) Or Rosetta, which does the opposite.</p><p></p><p>Basically...an emulator is a special class of virtual machine in which the virtual machine is nothing like the real machine. A plain virtual machine merely replicates and isolates the real machine.</p></blockquote><p></p>
[QUOTE="technologist, post: 379941, member: 4134"] The JVM is very much an emulator...it's emulating a machine (a hypothetical Java-bytecode-executing machine) that is totally unlike the hardware on which it is actually running. Contrast this with Parallels or VMWare, which create virtual machines that are essentially a mirror of the real machine on which they're running. Parallels exposes an x86 CPU on a system that already has an x86 CPU. Compare it with VirtualPC on a PowerPC Mac, another emulator which emulates an x86 CPU on totally different hardware (a PowerPC CPU.) Or Rosetta, which does the opposite. Basically...an emulator is a special class of virtual machine in which the virtual machine is nothing like the real machine. A plain virtual machine merely replicates and isolates the real machine. [/QUOTE]
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Apple Computing Products:
macOS - Apps and Programs
why do word processors take so long to start up
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