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News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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21  Other / Off-topic / pls halp me solve a quiz-type question on: December 31, 2017, 08:22:22 AM
Every year my old village sends round a Christmas quiz to raise money for the cottage hospital.

the answers are from 'well-known proverbs, books, plays, sayings and phrases'

for example in the section 'soldiers, weapons and fighting' there was a clue T fight T A N

answer is obvious, no? 'to fight tooth and nail'

so please help me with this clue in the same section: T T to T M!

I'm rejecting 'talk turkey to the man!' and 'to take to the mat!' as unlikely answers, but they're not far off the likely grammar structure.


pls halp and no sig spam
22  Alternate cryptocurrencies / Altcoin Discussion / Which of the 'good guy' coins will do best? on: November 02, 2017, 01:11:49 AM
Shelby Moore? Roll Eyes
Richard Heart? Cool
Andrew DeSantis? Wink
23  Other / Off-topic / BlueBorne Virus affects all bluetooth devices. Turn your bluetooth off! on: September 12, 2017, 10:55:28 PM
https://twitter.com/notsofast/status/907613862727438342
Turn off #Bluetooth on all #Android and #Windows devices until the #Blueborne exploit is patched. $crypto wallets potentially vulnerable.

https://threatpost.com/wireless-blueborne-attacks-target-billions-of-bluetooth-devices/127921/

airbitz wallet etc. not safe until you turn bluetooth off
24  Other / Politics & Society / Liu Xiaobo RIP on: July 13, 2017, 07:19:31 PM
"Even if I were crushed into powder, I would still use my ashes to embrace you." - to his wife.

http://www.bbc.co.uk/news/world-asia-china-40585327
Comparisons with the human rights record and propaganda efforts of Nazi Germany are particularly dismaying for Beijing after a period in which it feels it has successfully legitimised its one-party state on the world stage. At the G20 summit in Hamburg earlier this month, no world leader publicly challenged President Xi over Liu Xiaobo's treatment. With China increasingly powerful abroad and punitive at home, there are few voices raised on behalf of its political dissidents. -Carrie Gracie

There was a time, I was shocked by Chinese middle class disdain for dissidents, some of them relatively liberal point of view. Their first nerve reflex was always to find a reason to blame the dissidents. All the finger pointing to victims, instead of people who are arrested, tortured and imprisoned them; after all, the State apparatus is always the State apparatus. --Foreign policy (James Palmer) *07-11
25  Other / Meta / Ban Legendaries from signature campaigns on: July 08, 2017, 08:21:00 AM
If you are still scrabbling around for pennies after ~2 years, shitposting, misinforming, counting posts like a noob

you have done nothing of significance for bitcoin
26  Bitcoin / Development & Technical Discussion / Some 'technical commentary' about Core code esp. hardware utilisation on: July 06, 2017, 10:22:38 AM
thought this was worth preserving - was thoroughly off topic in another thread and may get deleted.
haven't edited the quote so there's lots of political stuff which would be off topic here (but it is your board!)
please see @-ck's thread for some initial commentary on point 13. otherwise,
invite dev and tech regulars to comment

The thing to bear in mind is that Core have an exemplary record for testing, bugfixing and just generally having an incredibly stable and reliable codebase.  So while people may run SegWit2x code in the interim to make sure it's activated, I envision many of them would switch back to Core the moment Core release compatible code.  As such, any loss in Core's dominance would probably only be temporary.

In short, I agree there's probably enough support to active a 2MB fork, but I disagree that Core will lose any significant market share over the long term, even if the 2MB fork creates the longest chain and earns the Bitcoin mantle.

Nokia was also good at testing and reliability, where are they now?

And Core code is shit, anyone experienced in writing kernels/drivers, or ultra low latency communication/financial/military/security systems would instantly notice:

1. The general lack of regards for L0/L1/TLB/L2/L3/DRAM latency and data locality.
2. Lack of cache line padding and alignment.
3. Lack of inline assembly in critical loops.
4. Lack of CPU and platform specific speed ups.
5. Inefficient data structures and data flow.
6. Not replacing simple if/else with branchless operations.
7. Not using __builtin_expect() to make branch predictions more accurate.
8. Not breaking bigger loops into smaller loops to make use of L0 cache (Loop tiling).
9. Not coding in a way that deliberately helps CPU prefetcher cheats time.
10. Unnecessary memory copying.
11. Unnecessary pointer chasing.
12. Using pointers instead of registers in performance sensitive areas.
13. Inefficient data storage (LevelDB? Come on, the best LevelDB devs moved onto RocksDB years ago)
14. Lack of simplicity.
15. Lack of clear separation of concerns.
16. The general pile-togetherness commonly seen in projects involving too many people of different skill levels.

The bottleneck of performance today is memory, the CPU register is 150-400 times faster than main memory, 10x that if you use the newest CPUs and code in a way to make use of all the execution units parallelly and make use of SIMD (out-of-order execution window size, 168 in Sandy Bridge, 192 in Haswell, 224 in Skylake).

One simple cache miss and you end up wasting the time for 30-400 CPU instructions. Even moving 1 byte from one core to another takes 40 nanoseconds, that's enough time for 160 instructions on a 4GHz CPU.

You take one look at Core's code and you know instantly most of the people who wrote it knows only software but not hardware, they know how to write the logic, they know how to allocate and release memory, but they don't understand the hardware they're running the code on, they don't know how electrons are being moved from one place to another inside the CPU at the nanometer level, if you don't have instinctive knowledge of hardware, you'll never be able to write great codes, good maybe, but not great.

Since inception, Core was written by amateurs or semi-professionals, picked up by other amateurs or semi-professionals, it works, there are small nugget of good code here and there, contributed by people who knew what they were doing, but over all the code is nowhere near good, not even close, really just a bunch of slow crap code written by people of different skill levels.

There are plenty of gurus out there who can make Core's code run two to four times faster without even trying. But most of them won't bother, if they're going to work for the bankers they'd expect to get paid handsomely for it.

So while people may run SegWit2x code in the interim to make sure it's activated, I envision many of them would switch back to Core the moment Core release compatible code.  As such, any loss in Core's dominance would probably only be temporary.

In short, I agree there's probably enough support to active a 2MB fork, but I disagree that Core will lose any significant market share over the long term, even if the 2MB fork creates the longest chain and earns the Bitcoin mantle.

So even a Core fan boy have to agree that Core must fall in line to stay relevant.

A fan boy can fantasize everyone flocking back to Core after they lose the first to market advantage.

But the key is even if Core decide to fall in line to stay relevant, they can no longer play god like before.

So what's your point.
27  Other / Off-topic / This Might Be the Closest You’ll Ever Come to Having Sex with a Spaceship on: July 03, 2017, 09:30:53 PM
https://waypoint.vice.com/en_us/article/d3889y/this-might-be-the-closest-youll-ever-come-to-having-sex-with-a-spaceship

 Grin
28  Bitcoin / Bitcoin Discussion / Theo Goodman's wide-ranging interview with Jihan Wu on: July 02, 2017, 05:41:04 PM
Censorship, github, Core, asicboost, segwit, blocksize, signalling and more...

https://www.youtube.com/watch?v=Qj5mN0E-sZA
29  Other / Politics & Society / Key Persons or how to repress the Tibetans on: June 20, 2017, 02:28:08 PM
https://www.hrw.org/video-photos/interactive/2017/06/20/tibet-glossary-repression

Definition: The full version of this phrase in Chinese means “important persons to be controlled,” while the Tibetan version uses a shorter form meaning “focus personnel” or “key individuals.” This refers to individuals deemed to pose a potential threat to society, so that officials and police should monitor or “control” their movements and behavior especially closely; similar to profiling.

(3) “mobile” monks and nuns, meaning those who are not officially affiliated to and residing in a monastery;

The Chinese seem to have read their Orwell.
30  Economy / Services / Escrow needed on: June 19, 2017, 11:12:43 AM
Please escrow my thread or recommend some one. Many thanks in advance https://bitcointalk.org/index.php?topic=1974158.0
31  Alternate cryptocurrencies / Mining (Altcoins) / philipma1957 mining tips and tricks on: June 19, 2017, 10:49:53 AM
philipma1957 https://bitcointalk.org/index.php?action=profile;u=64507 is such a great member

runs threads to help people mine https://bitcointalk.org/index.php?topic=1877588.0

runs contests when time etc permits https://bitcointalk.org/index.php?topic=1972166.0

But https://bitcointalk.org/index.php?topic=1932641.msg19607191#msg19607191

people, we are not sending him enough tips. not that he asks, not that that is why he helps people.

we are sending him too many pm's (see last link) - don't do that, please ask in the threads.

this shares the knowledge. don't be embarassed for noobish questions or secretive about your Mh/s mines. share in the threads, guys.

The fabulous Dabs https://bitcointalk.org/index.php?action=profile;u=54791 has kindly agreed to escrow this whip-round at his standard fee. He will post the address for all donations shortly.

to be decided in consultation with escrow, philip, me and you: I suggest we promote this idea for 6 weeks, keep an eye on the running total, and aim to raise enough for a case of decent vino and/or a nice gpu, whatever they cost nowadays, then have an official handing over of the escrowed amount.

so please dig out your wallets and send in the tips. quote the tx if you want and/or reply with your appreciation if you want.

in these days of still quite high fees, it's probably best to send at least BTC0.01 to make an impact.

How little is that, though? One day's farming on a medium-sized rig, that's how little. And how much has philipma1957 helped you?
32  Other / Off-topic / coincidence? conspiracy? mind blown! on: June 13, 2017, 10:24:06 AM
https://twitter.com/ReallyVirtual/status/64780730286358528
 Sohaib Athar‏ @ReallyVirtual

Helicopter hovering above Abbottabad at 1AM (is a rare event).

8:58 PM - 1 May 2011


And when did satoshi disappear?

https://bitcointalk.org/index.php?topic=6730.0

kiba
Legendary
   
Satoshi Disappear Day
April 28, 2011, 06:47:11 PM

just saying
33  Bitcoin / Bitcoin Discussion / How many bitcoinds do you think there will be at the end of the year? on: June 11, 2017, 07:26:32 AM
How many bitcoinds do you think there will be at the end of the year?
34  Bitcoin / Bitcoin Discussion / What is your favourite oxymoron? on: June 08, 2017, 07:07:00 AM
These oxymorons are particularly nagging at me now.

They are contradictions in terms that seem to hinder many discussions.

pl vote, discuss, disprove etc
35  Bitcoin / Bitcoin Discussion / "Consensus" meetup of scammers: - another newb in a suit pretending to matter on: May 24, 2017, 12:44:15 PM
(further to Silbert nonsense: https://bitcointalk.org/index.php?topic=1928093.msg19172611#msg19172611)

https://twitter.com/coindesk/status/867105037721325568

Us govt financial drone Abby Johnson, CEO of @Fidelity, appeals to the developer community at #consensus2017 to help push blockchain past hurdles.

https://fidelitylabs.com/blockchain/

Quote from: fidelity
We are interested in building products that use these new systems, comply with regulation, and protect our customers

We are interested in collaborating to ensure that these systems grow with robust governance where needed

Well, this is not how bitcoin rolls. Her interests are irrelevant, and her hurdles insurmountable.

All these banksters need to shut up and suck the bitcoin cock.
36  Other / Off-topic / David Cameron Fucked a Pig and Charlie Brooker is a God on: September 21, 2015, 10:37:48 AM
http://www.dailymail.co.uk/news/article-3242504/Drugs-debauchery-making-extraordinary-Prime-Minister-years-rumours-dogged-truth-shockingly-decadent-Oxford-days-gifted-Bullingdon-boy.html

A distinguished Oxford contemporary claims Cameron once took part in an outrageous initiation ceremony at a Piers Gaveston event, involving a dead pig. His extraordinary suggestion is that the future PM inserted a private part of his anatomy into the animal’s mouth.

The source — himself an MP — first made the allegation out of the blue at a business dinner in June 2014. Lowering his voice, he claimed to have seen photographic evidence of this disgusting ritual.

...
The pig’s head, he claimed, had been resting on the lap of a Piers Gaveston society member while Cameron performed the act.


http://www.mirror.co.uk/tv/tv-news/david-cameron-black-mirror-charlie-6485095?

"S***. Turns out Black Mirror is a documentary series," he posted.

...
Brooker then went another step further, adding: "Perhaps the least prescient line from the script."

The documents read: "MICHAEL: Well, I'm not f****** a pig. Page one, that's not happening."


I'm not telling porkies, this guy is a swine. West Ham supporter no doubt. etc.

So fellow bitcointalkers, is the UK finally going to disappear up its own arse?

If the pics come out, Cameron resigns, Corbyn scraps Trident, the generals stage a coup ( http://www.independent.co.uk/news/uk/politics/british-army-could-stage-mutiny-under-corbyn-says-senior-serving-general-10509742.html ). Is this good news for bitcoin?
37  Bitcoin / Bitcoin Discussion / Meanwhile real people continue real work on reference bitcoin client. on: June 01, 2015, 09:06:24 PM
http://qntra.net/2015/06/foundation-report-bring-bitcoin-client-performance-improvement-and-testing/

This month's State of Bitcoin Address issued by the Bitcoin Foundation largely covers the submission and testing of two patches which promise to greatly reduce the memory usage of the Bitcoin reference client. The two major patches submitted are named "Orphanage Thermonuke" and "Transaction Orphanage Amputation" and in tandem they have the potential to seriously clamp down on Bitcoind's memory footprint and could lead to Bitcoin nodes running on more kinds of hardware. The patches work in tandem to drastically alter the Bitcoind client sync mechanism in a radical way.
...
Testing of the new patched Bitcoind variations against their predecessors continues apace as the Foundation's project of tearing the Bitcoin reference implementation down to the bare wood appears to be reaching the point where their software is concretely improved over its predecessors. Given the amount of further testing the reports indicates as necessary, the Foundation has not offered at target for when they might offer a version 0.5.3.2 release.


This is where bitcoin is at, not with the guy who kowtowed to the CIA, nor the one who introduced Heartbleed to the client, nor the ones with the VC backing, but here:

http://thebitcoin.foundation/index.html
38  Other / Off-topic / April Fools on: April 01, 2015, 09:01:27 AM
Seen any in the bitcoin world?
apart from this:

http://trilema.com/2015/ok-ok-you-had-me-d/
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