How Many Processor Cores Are Enough?
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From: Joe Seigh on 15 Dec 2006 03:51 Joe Seigh wrote: > Chris Thomasson wrote: > >> "Joe Seigh" <jseigh_01(a)xemaps.com> wrote in message >> news:us2dnfMMPJUnGYHYnZ2dnUVZ_sWdnZ2d(a)comcast.com...>>I don't know. I >> haven't event seen McKenney file any hardware patents in >> >>> that area and he would have been the likely one to do that kind of >>> stuff. >> >> >> >> No kidding; he already has tons of RCU patents... In one of his >> bibliography pages he even has links to your initial RCU+SMR hybrid >> idea. I wonder when we are going to see patents for it... >> >> > Soon enough. The patent application is > > 20060265373 Hybrid multi-threaded access to data structures using hazard > pointers for reads and locks for updates > > by Paul McKenney and Maged Michael. > > Sorry. Never mind. The patent appears to be about something else. The fact that McKenney and Michael worked on it led me into believing it had something to do with RCU and SMR. I think it's just a PDR technique involving hazard pointers. Patents are just too damned hard to read. -- Joe Seigh When you get lemons, you make lemonade. When you get hardware, you make software.
From: Jan Vorbrüggen on 15 Dec 2006 04:43 >> No kidding; he already has tons of RCU patents... In one of his >> bibliography pages he even has links to your initial RCU+SMR hybrid >> idea. I wonder when we are going to see patents for it... >> >> > Soon enough. The patent application is > > 20060265373 Hybrid multi-threaded access to data structures using hazard > pointers for reads and locks for updates > > by Paul McKenney and Maged Michael. So are you going to inform the USPTO examiner of that prior art cited by the inventor himself? Jan
From: Joe Seigh on 15 Dec 2006 05:07
Jan Vorbr�ggen wrote: >>> No kidding; he already has tons of RCU patents... In one of his >>> bibliography pages he even has links to your initial RCU+SMR hybrid >>> idea. I wonder when we are going to see patents for it... >>> >>> >> Soon enough. The patent application is >> >> 20060265373 Hybrid multi-threaded access to data structures using >> hazard pointers for reads and locks for updates >> >> by Paul McKenney and Maged Michael. > > > So are you going to inform the USPTO examiner of that prior art cited by > the inventor himself? > It's moot as this patent is about something else than what I thought it was. Patents are damned hard to read. -- Joe Seigh When you get lemons, you make lemonade. When you get hardware, you make software. |