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[项目新闻] [BOINC] [数学类] yoyo@home

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发表于 2011-8-6 21:10:03 | 显示全部楼层
回复 41# refla

反正我一直看不到,和你的签名图一样

PS:我的dns是8.8.8.8
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发表于 2012-12-27 14:47:23 | 显示全部楼层
提示: 作者被禁止或删除 内容自动屏蔽
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发表于 2012-12-27 14:51:18 | 显示全部楼层
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发表于 2013-1-24 19:17:29 | 显示全部楼层
17 November 2012 OGR: Less than a year left
If we consider the project throughput of the last days, than the project will finish in August 2013. I can't say yet what will happen afterwards. So you have time until August to catch some OGR badges.

大意:根据目前的进度,OGR项目大概2013年8月就要算完了。因为不是太清楚distributed.net那边之后会有什么安排,所以如果想要OGR奖章的同学就要抓紧时间了。

另外说一句,调和树也差不多了。
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发表于 2013-1-24 19:24:51 | 显示全部楼层
03 January 2013 ECM: end year report for GCW numbers
The GCW tables and associated information have just been posted. There is a brand new progress file for 2013q1 which contains a grand total of zero entries.

Many people have contributed to the 532 factors discovered in 2012, mostly individuals but the yoyo@home, RSALS and NFS@home collaborations have also done valuable work. My thanks to all of these and, of course, to those who contributed ECM effort but have not yet been successful. More on that below.

Since the project went public in September 2000, over twenty thousand factors have been discovered and very nearly ten thousand complete factorizations have been found. Only ten composites under 150 digits remain to be factored. There are only four composites remaining with SNFS difficulty under 210 digits and one of those is currently 50% sieved. In the light of this progress, the snfs.txt file has now been extended to 220 digits.

Perhaps now is the time to set some targets for 2013; some easy, some hard.

    An easy target is to factor all composites under 150 digits
    A harder target would be to factor all with SNFS difficulty under 220 digits
    Another hard target is to find 500 factors in total.
    A very hard target would be to raise the fully factored total to 10,000 --- this requires well over 200 complete factorizations.

Paul

大意:很长的年度总结,总结了ECM项目对于广义Cullen-Woodall数项目的帮助。今年发现了532个因子,其中做ECM的yoyo@home和做NFS的NFS@home都有很大的贡献。

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发表于 2013-2-3 04:59:53 | 显示全部楼层
02 February 2013 Harmonious Trees for Android
The Harmonious Tree application is now also available for Android and runs in NativeBOINC.

调和树的Android计算程序出来了,可以在NativeBOINC内运行。
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发表于 2013-8-19 06:44:45 | 显示全部楼层
18 Aug 2013 New project: Odd Weird Search
The new project Odd Weird Search is now running as test project. To get work units you must enable test applications and must select the Odd Weird Search application in your preferenes. The application is currently only available for 64 bit Linux systems.

2013年8月18号
新子项目:奇异奇数搜索
新的子项目奇异奇数搜索正在测试中,需要在个人设置中允许测试程序方可获得计算单元。目前只有64位Linux的计算程序。
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发表于 2013-9-1 01:39:14 | 显示全部楼层
31 Aug 2013 Odd Weird Search for win 64
The Odd Weird Search application is now also available for Windows 64 bit systems and seems to run without big issues.

2013年8月31号
Win64平台的奇异奇数搜索
现在奇异奇数搜索在Windows 64位平台上的计算程序也出来了,目前貌似程序没有大的问题。
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发表于 2013-11-3 09:04:52 | 显示全部楼层
2013-11-01
http://www.rechenkraft.net/yoyo//all_news.php#227

OGR for Android
Now the yoyo@home OGR application is also available for Android devices. It runs in Native Boinc as well as in Berkeley Boinc.


子项目 “Cruncher - optimal golumb ruler” 支持Android平台,可用 Native Boinc 或官方Android版本。





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发表于 2013-11-17 21:36:26 | 显示全部楼层
2013-11-15: yoyo@home, OGR: 96% done
We have completed over 96% of the work and are now close to wrapping up OGR-27. Some of you may have noticed some difficulty getting OGR packets earlier today, due to our need to begin recycling of the remaining stubs. As I write this, there are about 20 million left that need working on. It is likely that you may experience difficulty occasionally in the coming weeks when hoping to collect OGR stubs to process. This is due to the master key server being unable to speak and chew at the same time! (...read the remaining blog posting)

[BOINC] [数学类] yoyo@home
2013-11-15:yoyo@home, OGR 子项目已完成 96%
我们已经接近完成OGR-27项目。也许你已经注意到得到OGR任务包比以往更加困难,因为我们需要开始回收剩余的任务包。阅读有关博客:http://blogs.distributed.net/2013/11/16/01/38/mikereed/
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发表于 2014-4-15 18:25:08 | 显示全部楼层
2014-4-15
http://www.rechenkraft.net/forum/viewtopic.php?f=57&t=14419



子项目 Odd Weird Search 在 Intel sandy bridge CPU上的优化程序

预计效率提高10%.

下载地址:
http://www.rechenkraft.net/yoyo/download/download/ows/

操作方法:
1. 加入项目 yoyo@Home.
2. 关闭 BOINC.
3. 下载该优化程序,解压后放进文件夹:projects/www.rechenkraft.net_yoyo
4. 打开 BOINC.
5. “更新”一下 yoyo@Home.
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发表于 2014-10-13 16:15:45 | 显示全部楼层
本帖最后由 2_958_859_071 于 2014-10-13 16:35 编辑

2014-10-10
http://www.rechenkraft.net/yoyo//all_news.php#241

10 Oct 2014 OWS: Deadline reduced to 5 days
The OWS project goes to it's end. Therefore I reduced the deadline to 5 days.

OWS快结束了,上报期限减少到 5天。
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发表于 2017-12-9 12:47:57 | 显示全部楼层
2017-12-07: yoyo@home, Perfect Cuboid 1st Batch finish

Now we are close to 1st Batch ending. For those who's interested, what's next, we inform,
after complete validation of 0-250 range we are going to publish a new app
version which will be goaled to Perfect cuboids search only. Thus it's 7 times faster
than the current is, so we expect that the next goal - 251 will be achieved quick enough.

Stay tuned!

-------------------------------------
2017.12.07 完美长方体的第一批任务完成
我们马上就要结束第一批任务了。关于接下来的工作内容,我们可以告知感兴趣的同志们:
在验证完0 - 2^50范围的任务以后,我们将发布一款新的计算程序,这款程序将只专注于研究完美长方体。因此将比现行的程序速度高七倍,所以我们可以期待我们的下一个目标:2^51能够很快被攻略。


关于完美长方体(摘自wiki):
完美长方体,又称完美盒,指棱长、面对角线和体对角线都是整数的长方体。
求完美长方体的棱长,即求下列方程组:






注:a、b、c是棱长,d、e、f是面对角线长,g是体对角线长。
它相当于在欧拉长方体问题上再添上了最后的这个条件。

截至2015年5月,还没有找到任何完美长方体,亦未有人证明完美长方体不存在。经由电脑搜寻显示,若存在完美长方体,其中一个边长需大于3·1012,且最小边长需大于1010。现时只找到一些接近完美盒,例如其中一边是无理数,其他边和对角线均为整数的例子,如: 棱长分别为672、153与104,其面对角线分别为、680与185,体对角线为697。
另外,亦有面、体对角线均为整数,但棱长只有两个是整数,另一条是无理数的例子。如:
棱长为18720、与7800这个例子。

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发表于 2017-12-16 19:41:20 | 显示全部楼层
昂宿星团人 发表于 2017-12-9 12:47
2017-12-07: yoyo@home, Perfect Cuboid 1st Batch finish

Now we are close to 1st Batch ending. For th ...

其实是2^50和2^51……

这个子项目的程序我参与了优化,应该是比之前快多了,当然可能就这样看的话看不出来,因为block的大小应该也会变大。

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发表于 2017-12-16 21:53:05 | 显示全部楼层
fwjmath 发表于 2017-12-16 19:41
其实是2^50和2^51……

这个子项目的程序我参与了优化,应该是比之前快多了,当然可能就这样看的话看不出 ...

真是250了。。尴尬,已改正。。
@zhouxiaobo 微博发的那条能改不。。

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