On Mon, Apr 16, 2012 at 9:27 AM, David Jeske <[email protected]> wrote:
> > On Apr 16, 2012 6:45 AM, "Jonathan S. Shapiro" <[email protected]> wrote: > > On Fri, Apr 13, 2012 at 8:59 AM, David Jeske <[email protected]> wrote: > >> Microkernels attempted to place the kernel<->driver interface > out-of-process and have all since died for performance reasons. > > > > David: Based on market share numbers, this statement is flatly wrong. > There are more microkernels running in the field today than there are > monolithic kernels. > > .. now we have to define marketshare. If we count by instructions executed > annually, do you still think that to be true? Neither windows, linux, > android-linux, nor ios are microkernels... and since they have the lions > share of fast processors, i believe they dominate instructions executed per > year. > Count either instructions or unit numbers. I'm not sure about IOS devices, but every other mobile device is running a capability microkernel under those OS's. Most of those qualify as "end user systems". I can also make a strong case that every direct-on-hardware virtual machine solution is a microkernel. That's certainly a fair description of Hyper-V. > shap
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