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All the Perl that's Practical to Extract and Report

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  • ...though for different reasons than Nat :-)

    The reason I'm skeptical for may be obsolete by now, and I'd be happy to be corrected on this. The reason microkernels didn't use to fly despite being a very nice design, was simple: performance, or the lack thereof. All those layers of abstraction and encapsulation simply took too much time to go through. In other words: the performance of microkernels sucked (compared with monolithic kernels).

    That was the state in mid-nineties, when I knew some of the

    • I meant to mention a little more about the performance issue. One thing I was trying to get at but failed to mention explicitly is that many of us are now using a microkernel on a daily basis. You specifically: I know you are because I saw you with an ibook at YAPC. :) OS X is built on a microkernel, and all you new Mac users can tell me how the performance is.

      I would not be surprised if the HURD I am predicting has poor performance for awhile. I am optimistic that if Apple can make a usable microkernel OS, the HURD people can figure it out, too. (Ask me in a year; I may take it all back.)

      I see yet another parallel here with the Mozilla project. When I finally started hearing good things about Mozilla and tried it, it was painfully slow and ate far too much memory. I gave it up for dead (again...), but it wasn't long until I heard "everybody" (for some value of "everybody") was using it, tried it out, and discovered they had fixed the performance. I expect HURD to go through a similar cycle. I pray Perl 6 doesn't, but if early results give disappointing benchmarks, I'll be there saying "Give it time."

      To be honest, I'm still a bit skeptical myself. But having watched some projects go through the cycle of monstrous developer interest, near invisibility, and sudden success, I have an inclination HURD's time may be sooner than everyone expects.

      J. David works really hard, has a passion for writing good software, and knows many of the world's best Perl programmers
      • > OS X is built on a microkernel, and all you new Mac users can tell me how the performance is.

        That's easy: my computers are always too slow :-) be they 8-bit home micros or 1024-node Crays.