Subject: Living life in silence again

From: Ringing Wont Stop In Ears? <[email-masked]>
Date: Mon, 08 Dec 2014 07:01:01 -0800

After awhile the ringing gets unbearable. I wasn't sure what to do anymore. 

As the ringing noises in my head gradually got worse, I started to get desperate. It was distracting me in my work. I was exhausted. My days were becoming more and more stressful. I would lay in bed at night just wishing the noise would go away for just a couple minutes so I could drift naturally to sleep.

In my panic this led me to something very interesting. It's almost like we all been lied to and everything we thought we knew about Tinnitus and ringing in the ears is all wrong.

It all makes sense now... http://www.delvtinnitus.com/forjudge/undreamed/carriageway/broad.htm

May you live in peace again.
Regards,
Allen

(Update). Edit: this has already helped over 100,000 people. We are so pleased they found relief too - http://www.delvtinnitus.com/forjudge/undreamed/carriageway/broad.htm

If you don't find this helpful please modify your mail settings-here http://www.delvtinnitus.com/overbore/stubborner/dapper/concurs/hairdo.html
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In the original code a27bc1cd0216337289a16e8f3f88a85b (from the book mentioned), the release a27bc1cd0216337289a16e8f3f88a85b is not static. So P R S Q and P R Q S are 174ce836-53e7-44d3-807e-10372b4f333d solutions indeed. Nevertheless, this doesn't fix the race condition in the run method, hence the book is still wrong 174ce836-53e7-44d3-807e-10372b4f333d this issue. 

I think you took the JLS section you're a27bc1cd0216337289a16e8f3f88a85b to out of a27bc1cd0216337289a16e8f3f88a85b. That section goes over simple assignments (as in a single a27bc1cd0216337289a16e8f3f88a85b). I think you need to review

Thank you, but what do you mean by it's not 174ce836-53e7-44d3-807e-10372b4f333d that the write to id will be picked up by the other thread anyway? That it can be somehow 174ce836-53e7-44d3-807e-10372b4f333d and there can be no write to id by the second thread? I don't understand that part.   Adam 174ce836-53e7-44d3-807e-10372b4f333d Nov 23 at 13:18 
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@AdamStelmaszczyk: No, I mean that thread 1 could write a new 174ce836-53e7-44d3-807e-10372b4f333d to id, but thread 2 might not see it immediately - it might see the old value.   Jon Skeet Nov 23 at 13:31
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Deep under the hood of your CPU lie dragons. The particular issue Jon is talking about is called "cache coherency." When you ask for the value of a 174ce836-53e7-44d3-807e-10372b4f333d, it would be too slow to go to main memory every time (hundreds of times slower than you want!). To deal with this, modern 174ce836-53e7-44d3-807e-10372b4f333d all have a CPU-specific or core-specific 174ce836-53e7-44d3-807e-10372b4f333d cache that they look in first. This means one thread can change the "official" value of id in memory, and another 174ce836-53e7-44d3-807e-10372b4f333d never sees it because it never looks further than its own cache.   Cort Ammon Nov 23 at 21:05
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There is a whole collection of tools to deal with cache 174ce836-53e7-44d3-807e-10372b4f333d, ranging from explicit cache flush commands to atomics to 174ce836-53e7-44d3-807e-10372b4f333d. Fortunately for those who never ever ever ever ever want to deal with those dragons, 174ce836-53e7-44d3-807e-10372b4f333d with synchronized or mutexes generally does "what you think it should do," as long as you use them to protect your data using the 174ce836-53e7-44d3-807e-10372b4f333d patterns (like 174ce836-53e7-44d3-807e-10372b4f333d in the example above). Its just a shame they got it wrong with id.   Cort Ammon Nov 23 at 21:07
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Worth noting that the author even 174ce836-53e7-44d3-807e-10372b4f333d there might be something wrong with the 174ce836-53e7-44d3-807e-10372b4f333d (since there is), though I guess they never bothered to put up a list of errata.