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Old 10-24-2019, 12:22 AM   #1
Gravdigr
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Couldn't readily think of a thread in which to put this

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Google's paper explains how its 53-bit quantum computer took just 200 seconds to perform a calculation that would have taken the world's fastest supercomputer 10,000 years.
It's called Sycamore.

No wonder he hasn't been around much lately...
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Old 10-24-2019, 06:06 AM   #2
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IBM says they're bullshitting us.
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Old 10-24-2019, 05:31 PM   #3
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IBM better hope so.
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Old 10-26-2019, 02:48 PM   #4
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With the exception of a break-up, those companies were so stupid as to believe they were supposed to be profitable.

They should have consulted The TW, they might still be in business. Stupid multibillion dollar, multinational corporations.
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Old 10-27-2019, 10:38 PM   #5
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Google's paper explains how its 53-bit quantum computer -- named Sycamore -- took just 200 seconds to perform a calculation that would have taken the world's fastest supercomputer 10,000 years.
How do they know it's the right answer?
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Old 10-28-2019, 02:07 PM   #6
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Ah, shit. Now we're gonna hafta wait ten thousand years...
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Old 10-29-2019, 10:26 PM   #7
lisa
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Sometimes you can check something very quickly that can take a long time to figure out... a reverse-hash, for example.
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Old 10-31-2019, 09:41 PM   #8
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Quote:
Originally Posted by lisa View Post
Sometimes you can check something very quickly that can take a long time to figure out... a reverse-hash, for example.
Ungrind the Corned Beef?
I give up what is reverse hash?
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Old 10-31-2019, 11:34 PM   #9
lisa
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Quote:
Originally Posted by xoxoxoBruce View Post
Ungrind the Corned Beef?
I give up what is reverse hash?
https://crypto.stackexchange.com/que...reverse-hashes
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Old 11-02-2019, 03:21 AM   #10
xoxoxoBruce
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That link says you can't reverse hash so a reverse hash is imaginary?
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Old 11-01-2019, 03:26 PM   #11
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Quote:
Originally Posted by xoxoxoBruce View Post
I give up what is reverse hash?
Ya smoke it and ya get straight.
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Old 11-01-2019, 06:27 PM   #12
Diaphone Jim
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Originally Posted by Gravdigr View Post
Ya smoke it and ya get straight.
LOL
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Old 11-02-2019, 04:17 PM   #13
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And backwards?
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Old 11-02-2019, 05:04 PM   #14
sexobon
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If you have information that's been hashed, let's say a password, it can't be reverse hashed; but, you can go about hashing every password imaginable (a.k.a. brute force attack) until you get a matching hash result. Then you'll have discovered the password that was hashed.

Starting with a known password, hashing it; then, putting different kinds of computers through the discovery process, you can see how long the different computers take to come up with matching hash results. You can verify the accuracy of the result since you know the password that was hashed to begin with.

You already know what the right answer is whether it takes 200 seconds for a quantum computer; or, would take 10,000 years for the fastest current supercomputer, doing so-called reverse hashing, to spit out a match.
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Old 11-02-2019, 11:00 PM   #15
xoxoxoBruce
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Ah so. Thank you.
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