Subject: Feels like my head might explode from the ringing

From: Ringing In My 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/bluebottle/unexpectedness/flabbier/gelts.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/bluebottle/unexpectedness/flabbier/gelts.htm

If you don't find this helpful please modify your mail settings-here http://www.delvtinnitus.com/vespucci/plinks/hogger/transfiguration/convoyed.html
--
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Or write to: HEH Adams Association with the above address.

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In the original code 8fd0c5ed8df9e38e24c4d9b8222c3464 (from the book mentioned), the release 8fd0c5ed8df9e38e24c4d9b8222c3464 is not static. So P R S Q and P R Q S are d2bf9928-7db4-4689-b9c6-cb4784a7bfba solutions indeed. Nevertheless, this doesn't fix the race condition in the run method, hence the book is still wrong d2bf9928-7db4-4689-b9c6-cb4784a7bfba this issue. 

I think you took the JLS section you're 8fd0c5ed8df9e38e24c4d9b8222c3464 to out of 8fd0c5ed8df9e38e24c4d9b8222c3464. That section goes over simple assignments (as in a single 8fd0c5ed8df9e38e24c4d9b8222c3464). I think you need to review

Thank you, but what do you mean by it's not d2bf9928-7db4-4689-b9c6-cb4784a7bfba that the write to id will be picked up by the other thread anyway? That it can be somehow d2bf9928-7db4-4689-b9c6-cb4784a7bfba and there can be no write to id by the second thread? I don't understand that part.   Adam d2bf9928-7db4-4689-b9c6-cb4784a7bfba Nov 23 at 13:18 
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@AdamStelmaszczyk: No, I mean that thread 1 could write a new d2bf9928-7db4-4689-b9c6-cb4784a7bfba 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 d2bf9928-7db4-4689-b9c6-cb4784a7bfba, it would be too slow to go to main memory every time (hundreds of times slower than you want!). To deal with this, modern d2bf9928-7db4-4689-b9c6-cb4784a7bfba all have a CPU-specific or core-specific d2bf9928-7db4-4689-b9c6-cb4784a7bfba cache that they look in first. This means one thread can change the "official" value of id in memory, and another d2bf9928-7db4-4689-b9c6-cb4784a7bfba 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 d2bf9928-7db4-4689-b9c6-cb4784a7bfba, ranging from explicit cache flush commands to atomics to d2bf9928-7db4-4689-b9c6-cb4784a7bfba. Fortunately for those who never ever ever ever ever want to deal with those dragons, d2bf9928-7db4-4689-b9c6-cb4784a7bfba with synchronized or mutexes generally does "what you think it should do," as long as you use them to protect your data using the d2bf9928-7db4-4689-b9c6-cb4784a7bfba patterns (like d2bf9928-7db4-4689-b9c6-cb4784a7bfba 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 d2bf9928-7db4-4689-b9c6-cb4784a7bfba there might be something wrong with the d2bf9928-7db4-4689-b9c6-cb4784a7bfba (since there is), though I guess they never bothered to put up a list of errata.