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[独立平台] [生命科学类] Folding@Home

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 楼主| 发表于 2008-7-28 22:30:03 | 显示全部楼层
July 28, 2008
GPU2 server performance: update

We've been looking over the server code to see what's going on and I think we have some news. What's happening is that the server is being a bit too generous in terms of when it times out connections, filling up all of the available server threads. For now, we've bumped up the # of threads (not unlike adding more cashiers at the grocery isle, so that a few slow people don't slow down everyone) from 200 to 500. That should help a lot in the short term.

On Monday, we'll make some code modifications to make a more complete fix to this.  It may take a little while to get this tested and implemented, but I expect that this should be in by Monday afternoon.  That should greatly ease what we're seeing.  (PS Note Monday = Monday pacific time)

In some ways, this has crept up on us, as nothing has changed (all our servers are up and running) -- it's just that the extended down time built up a large # of WU's to return and the server is still trying to catch up.  We've turned off new assigns from this machine to help it catch up (no new WU's will mean it spends all it's time receiving WU's).

With this change, the threads tweak, and the code update coming later today we should have some more news (hopefully good news) later on Monday.
大意:
GPU2服务器异常
我们把服务器并发连接数调至200 至 500。希望能改善现在的网络状况。

明天我们会升级服务器代码,以彻底解决这个问题。

另外我们减少了,任务发放线程,优先满足结果接受线程。

Updated GPU2 server code in place

We've updated the server code on 171.64.122.74 to make it more responsive.  We're keeping an eye on it to see for sure.  One of the major differences is how long the server waits for a connection (it was waiting way, way too long before and that filled up all of its threads).  We've cut that down as well as significantly increased the number of threads.  In combination with no new assigns for this server for a while, this should drain it and get the server I/O back to normal.
大意:
GPU2服务器代码已更新。我们正在密切关注服务器工作状况。我们暂时提高了,连接线程数,关闭了任务发放功能(只接受结果上传),希望服务器I/O能尽快恢复正常。

[ 本帖最后由 vmzy 于 2008-7-29 12:57 编辑 ]

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发表于 2008-7-28 22:34:50 | 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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 楼主| 发表于 2008-8-2 15:22:25 | 显示全部楼层
August 01, 2008
New clients are out (6.20)
We've released new clients (v 6.20).  For those running GPU clients (or other clients with an expiration deadline of August 2), please check these clients out.

Known issues:

* Service installation in Vista with the GPU client doesn't work (noted in FAQ-NVIDIA and FAQ-ATI2)
* If you're updating a service from a pre 6.20 client, you need to remove the old service first. (Currently being edited into relevant FAQs)

Here's what's new in the 6.20 client:

* Added Forums to systray menu.
* Support cpu affinity by default, this is related to an nVidia problem and awaits core-side changes.
* Add additional parameters field in advanced preferences - no more shortcut editing!!!
* UNSTABLE_MACHINE count reset after a correctly finished WU, for long-running systems
* Open configuration dialog box when invalid settings detected
* Fixed core launch directory which caused auto-upgrades to fail if core was present in "Program Files"
* Added additional advanced config options to console clients
* Added MachineID selector in systray gui
* Client shows PRCG on results upload
* Passkey now validated for hex content
* Moved service installation to advanced config to prevent inadvertant use
* Log date and time when automatically attempting to upload results.
* Correctly restore system tray icon when shell (explorer.exe) crashes
* Significantly improved queueinfo
* Multiple copies of the client can no longer be started with the same "start in" dir
* Automatically increase packet limit to max size for results that are too large
* Failed uploads will be attempted again using alternative upload port (8080->80 and 80->8080)
* Removed spurious "benchmarking..." messages
* Added extra_parms support to console clients
* Extra parameters are validated at configuration and launch time. Invalid settings will force reconfiguration
* Fixed and updated service installation to allow use of working directories
* Added ATI FireStream 9170 detection
* Compressed Vista icon to reduce size of executable (saves ~ 200kb)
* Updated MyFolding.html to match folding.stanford.edu style
大意:
发布6.20新版客户端(因为大多数测试版客户端都是8月2日过期)

已知问题:
1、Vista下GPU客户端,不支持Service模式
2、如果您已经在使用Service模式,那么安装这个版本之前,要先卸载Service模式,安装完成后,再开启。

更新内容:
系统栏图标菜单加入‘论坛’链接
默认开启cpu关联,以解决nVidia的一个问题,不过彻底解决要等,计算内核一并做出相应修改才行
对长时间运行的系统来说有个好消息,在正确完成一个任务后,UNSTABLE_MACHINE计数会自动归零
检测到错误的配置信息后,会弹出自动配置提示框
解决了,如果fah被直接放在‘Program Files’文件夹里,计算内核文件升级失败的问题
命令行客户端增加更多的高级设置选项
系统栏图标增加MachineID选择功能
上传结果时客户端显示进度条
Passkey使用16进制校验
service安装,调整至高级选项,以防误操作
当自动上传结果时记录上传日期和时间
shell(explorer.exe)崩溃时,自动重建系统栏图标
改进queueinfo
不能在同一个‘起始位置’文件夹,启动多个实例
当结果文件过大时自动上调结果包限制大小
上传失败后会自动更换端口(8080->80 或 80->8080)后再次尝试
移除假的"benchmarking..."信息
为命令行客户端加入新的扩展参数
在启动和设置时,会检查扩展参数,一旦发现有误,会强制要求修改
改进service安装,支持设定工作目录
加入对ATI FireStream 9170的检测支持
压缩Vista图标以减小程序大小(小了约200kB)
更新MyFolding.html为folding.stanford.edu的样式

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 楼主| 发表于 2008-8-2 20:43:10 | 显示全部楼层
因为,Service代码发生改变,如果之前您已经在使用Service模式,使用新版本前,必须卸载老的Service服务。
cmd指令格式为:sc delete "Service服务名称"
注:引号内为你的FAH Service服务名称,具体名称可以在,控制面板--管理工具--服务,当中查看。
把新版文件安装完后,即可再打开Service服务(提醒一下,现在的Service服务开启在高级设置里了)。
高级设置时,它会问是否需要extra_parms,这里建议输入(加速指令):-forceasm
参数意思是强开所有指令集优化,在某些情况下可以大幅提高计算速度。
当然喜欢看详细日志的发烧友,也可以输入(日志全开指令):-verbosity 9
新版试用中,有新的心得会及时与大家分享。

[ 本帖最后由 vmzy 于 2008-8-3 09:48 编辑 ]
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 楼主| 发表于 2008-8-3 09:48:38 | 显示全部楼层
August 01, 2008
Windows/SMP client
There's some news on the SMP client front.  First, we've moved our OSX and Linux clients to a non-beta designation, reflecting the maturity of those clients.  We expect those clients to run reasonably well.  The Windows/SMP client is not there yet, but we have been continuing to work on it and improve it.

Right now, we are making available two Win/SMP clients.  The primary one (6.22) is on our download page ( http://folding.stanford.edu/English/DownloadWinOther ).  People have reported issues with 6.22, so we have made 5.91/5.92 available with an extended expiration as well ( http://foldingforum.org/viewtopic.php?f=8&t=4369 ).

With the public beta release of the v6.22 SMP client, we encourage all our beta users to upgrade to that client. However, since the 5.91/5.92 beta expiration date is rapidly approaching, we have decided to extend those clients to allow users more time to upgrade (and to give us a little more time to work out the issues that invariably come up during public beta testing).

It's worth reminding people that these Windows/SMP clients are still very experimental, hence the reason for the expiration and extra points one gets.  If you would like a "set it and forget it" client, this client is not for you (please check out our classic client in that case), and one should expect that the Win/SMP client will take a lot of extra work to run.  See the discussion at the top of our download page ( http://folding.stanford.edu/English/DownloadWinOther ) and SMP FAQ for more details.

We're working to improve the Win/SMP client and get it released non-beta like the OSX and Linux clients and hopefully we'll get there soon.  An important part of this open beta is the beta testing reports we've gotten from people.  Please post them in our forum (http://foldingforum.org).

PS Here's the info from our download page on the nature of these clients

High Performance clients. In addition to the clients that run in the background on typical computers, we also offer high performance clients, such as the GPU and SMP clients. These clients use more system resources, but are also much more productive. Please consider the use of these clients carefully. See the respective GPU, GPU2, SMP, and PS3 FAQs for more information.

Beta clients. We often release clients early for donors to beta test. These beta versions likely have some rough edges, but we expect that they should work reasonably well for all donors. See the respective installation instructions for more details of known bugs for each of the beta versions.

As in the use of any beta software, please make sure to back up your hard drive before installing. DO NOT not run a beta client if you or your machines cannot tolerate even the slightest instability or problems. Beta clients and servers performance may vary significantly from standard FAH clients during the development process, including but not limited to work unit shortages, server downtime for upgrades, short notice for client upgrades, and Points Per Day that differs a little or a lot from the developmental benchmark level.

Finally, note that while the points per day for these clients are higher than the classic client, they can require a lot more maintenance due to their experimental or beta nature. If you would prefer to have a client which runs as smoothly as possible, we suggest you run our main client, not a high performance client. If you run a high performance client, expect a much more complex experience and much more work to keep the client running (which is compensated by extra points per day).
大意:
SMP客户端。
OSX和Linux客户端已经改为正式版,Windows版仍需继续测试改进。

现在Windows测试版有2个版本。6.22版(您可以在http://folding.stanford.edu/English/DownloadWinOther,这里下载)。不过这个版本有问题,所以我们在论坛放出了延期的5.91/5.92版(您可以在http://foldingforum.org/viewtopic.php?f=8&t=4369,这里下载)

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 楼主| 发表于 2008-8-5 11:43:04 | 显示全部楼层
August 04, 2008
Next steps in FAH client development
With the 6.20 (classic & GPU) and 6.22 (SMP) clients out, we can start looking forward to the next steps in client development.  We still have some last bits of work to completely unify the clients, but the hard part is already completed there for the most part.

The 6.2x series introduces several new features for donors, but in time, the clients have been getting gradually more and more complex to use.  The Win/SMP and multi-gpu setups are examples of very challenging setups.  Our primary plans for the future are to make setup much easier, especially for the very challenging clients (Win/SMP, multi-gpu).  Our dream client install would be a single installer that would install either the classic, SMP, or GPU client based on donor choices during the install process, and the installer would take care of complex install situations (such as multi-gpu).

It may take a while to get to a client installer like that.  In the mean time, we are looking to improve our installation instructions to make the process easier with existing clients.  

We have spent a lot of effort developing these new clients and putting all of our effort into getting them to run well (the GPU2 client/core has gotten a great deal of effort, which has paid off in the transition from GPU1 to GPU2).  It's now time to concentrate on usability and ease of installation.  

Our hope is that with this completed, we will have a very advanced set of clients, but with very easy installation.  That's easier said than done, but that's where we're headed.
大意:
客户端下一步开发计划
6.20 (标准版 & GPU) 和 6.22 (SMP)已经发布了。下一步我们要把这些客户端融为一体。

现在客户端的设置越来越复杂了,我们以后会慢慢简化的。我们的理性是,把客户端融为一体,安装时会自动根据用户机器的条件(多cpu,多GPU,等等),安装合适的客户端。

不过说起来容易,做起来难。大家慢慢期待早日实现这个梦想吧!

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 楼主| 发表于 2008-8-12 22:44:27 | 显示全部楼层
August 11, 2008
Update on Win/SMP client development
The Win/SMP 6.22 client has been showing several issues, namely:

bad EUE behavior (quits rather than moves on)
no ACK sent issues
core 0x7b errors
We've been working to take these issues one by one and have some progress to mention.  For issue #1 (EUE), we've released a new client (6.22r2) at http://foldingforum.org/viewtopic.php?f=46&t=4764 .  If this looks good, we'll roll this into 6.23.

We also had a meeting to see what's up with the ACK and have an idea there too.  That will take a client mod as well and that's been coded and is starting to enter Stanford QA, then alpha testing, then beta testing.  This client mod may also be relevant for the new GPU clients as well.

The third issue is still a little perplexing since it is a core issue and in principal shouldn't come with a client update.  Now that we think we may have got the first 2 issues resolved (or at least a patch to test), we're moving to deal with this third issue. I should stress that it's by no means guaranteed that the first two are solved, but we will need more testing to know for sure.

We'll give more news as we know it.
大意:
Win/SMP 6.22有下列问题
坏包EUE
ACK请求
计算内核 0x7b 错误

我们正在想办法解决这些问题。
对于问题1(EUE),我们已经发布了一个新客户端(6.22r2)。下载页面http://foldingforum.org/viewtopic.php?f=46&t=4764。如果测试正常,我们将尽快发布6.23正式版。

问题2,也已经解决,我们正在内侧,会在新版客户端中修正该问题。

问题3,有些麻烦,我们打算等前3个问题解决的差不多了,再解决这个问题。

August 11, 2008
Update in how GPU2 reports CPUs to OSstats page
We're working to change how the GPU2 servers report machines to the OSstats ( http://fah-web.stanford.edu/cgi-bin/main.py?qtype=osstats) page.  The goal is to list NVIDIA and ATI clients separately (both are being lumped into a GPU2 category).

In the next few days, you may see some weird numbers (too high or too low) on this stats page while we switch servers over.  I'll post when we're done (hopefully only a few days).
大意:
我们正在调整统计,打算把GPU和CPU分开,再把GPU里面的NVIDIA 和 ATI分开。所以这几天统计数据会比较乱,请大家见谅。

August 11, 2008
New server code for GPU2 servers, other fixes for GPU2 upload problems
We've been working on improvements to the server code to better handle GPU2 work units better.  That new code is running on 171.64.122.74 right now and (so far) appears to be an improvement.  If it looks better, we'll roll it out more broadly to all 4 GPU2 servers.

We've also fixed an issue with GPU2 WU's which was leading to very large uploads.  This has greatly shrunk the GPU2 WU return size and this should help out with the load a great deal.

Finally, we're looking into network issues.  We currently suspect that there may be some packet shaping on FAH WUs with some ISPs.  This issue should be improved by the smaller WU uploads and the server issues, even if the ISP's don't change anything.
大意:
我们更新了GPU2服务器的代码。

我们也调整了GPU2任务,以尽量减少上传结果文件的大小。

最后,我们也在查看,我们的ISP网络是否有问题。

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 楼主| 发表于 2008-8-13 21:42:45 | 显示全部楼层
August 12, 2008
Update on GPU2 servers & upload issues
We've been looking into what could be the cause of the GPU2 upload issues people have seen.  We have some ideas and that has resulted in new server code and a new client.  The new server code has been tested on vsp07 and is now rolled out on the other GPU2 servers (vspg1, vspg4v2, vspg3v2) and we're monitoring it.

The new client (dubbed 6.20r1) is now undergoing closed beta testing.  If that checks out, we'll release it for open testing.  The new client is the key part of this fix (new client + old server code is probably ok), but the new server code will help a little.  

Also, the new server code is useful for the stats change over (described below, where we separate out NVIDIA from ATI stats).  Note that the osstats page will be screwy for a while during this switchover.
大意:
新的服务器代码,已经部署了。

新的客户端(6.20r1)正在进行最后阶段的内测。很快就会部署。

我们正在调整统计代码,所以这几天统计会比较乱。

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 楼主| 发表于 2008-8-14 22:48:15 | 显示全部楼层
August 13, 2008
http://folding.stanford.edu site was down -- Stanford IT fixed it
We see that the site is down.  There's a problem with the main Stanford web server and the University IT is working on it.  Note that this only affects our web site, the stats, main servers, AS, data servers, etc are all up (FAH is up).

UPDATE from Stanford IT:

At the moment we're having problems with certain AFS directories that are affecting the WWW servers.  I'm not sure when things will come back up yet, but I'll mail you to mention when things are better.  I'm very sorry about the inconvenience -- we're working hard on tracking this down.

It's been our experience that the web/AFS team is very strong, so hopefully they will have this resolved soon (eg by the end of business today).

UPDATE:  This appears to now be fixed.
大意:
FAH网站今天挂了一下,不过现在已经修正了。

Update on GPU2 servers & upload issues, part 2
The new server code has been in for about a day, and so far so good.  The netloads are very low on the servers and everything appears to be behaving well from our side.

We have also made a new client (6.20r1) available to improve uploads.  The client patch should be a greater aid than our server patches, so if you are having upload problems, please consider giving it a try:

http://foldingforum.org/viewtopic.php?f=50&t=4806
大意:
新的GPU2服务器代码,工作正常。

我们发布了(6.20r1)版,可以到这里下载:
http://foldingforum.org/viewtopic.php?f=50&t=4806

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 楼主| 发表于 2008-8-15 22:31:44 | 显示全部楼层
August 14, 2008
Distribution of the GPU2 client
We've worked with commercial partners for many years now, including Google (Google Compute Client), Sony (PS3 client), ATI (GPU1, GPU2), and NVIDIA (GPU2).  In the past, we've allowed Google and Sony to distribute FAH clients in order to try to boost the size of FAH and get more donors.  We've decided to allow NVIDIA and ATI to do this as well.  We hope that this will boost the use of GPU2, which is relatively small now (~10,000 clients), but we have high hopes that it could grow more (maybe to 50,000?).

To make this issue clear, we have updated the EULA on our web page and main FAQ, and we will update the EULA document in subsequent clients as appropriate.
大意:
我们曾经对Google和Sony开放客户端发布授权,现在为了加大GPU2客户端的使用范围,我们也打算对ATI和NVIDIA开放。

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 楼主| 发表于 2008-8-16 18:55:26 | 显示全部楼层
August 15, 2008
GPU2 WU's in "production mode"
As of last Monday, the GPU2 projects (both NVIDIA and ATI) have been in production mode, which means that we've moved on from testing to direct research on them.  The ATI cards have bee in production for a while (more than one month before) and we're starting to write our first peer reviewed scientific paper deriving from the results.

We're very excited about the GPU2 possibilities right now, since we are getting incredible production from GPU2 clients.  Once the first paper has been formally accepted by peer review, I'll talk more about the results.
大意:
GPU2进入丰产期
我们准备依据现有的结果开始写第一篇同行审查科技论文。

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 楼主| 发表于 2008-8-17 22:37:38 | 显示全部楼层
August 16, 2008
GPU2 client 6.20r1 installer released
If you're having any networking issues with the 6.20 GPU client, we suggest you try the 6.20r1 client.  You can find installers here:

http://foldingforum.org/viewtopic.php?f=50&t=4806

We will put this on our download site after it's gone through a little more testing.
大意:
发布6.20r1 GPU2版
下载地址:http://foldingforum.org/viewtopic.php?f=50&t=4806
如果一切顺利,我们很快会把它放到下载页面。
One of the stanford nets appears to be down -- IT is looking into it
We have 4 different server rooms for redundancy and it looks like one of the room's network is down.  All machines on the 171.64.65.XX net (VSPG*.stanford.edu) are unreachable right now.   [Note that this server room is in the Stanford Computer Science building and it looks like the whole Stanford CS net is down (eg http://www.cs.stanford.edu/ is unresponsive).]  We have notified the network admins and the server admins and they are working on this right now.  It's Saturday, so they're on a reduced staff, but they're on it.  This is something beyond my group's control (much like an electrical outage or a major natural disaster) and we have to wait for the Stanford CS networking gurus to do their magic.

The good news is that much of FAH is still up.  You can see what parts are up vs down on our serverstat page (http://fah-web.stanford.edu/serverstat.html).  However, the bad is is that with many of the key machines unreachable, the other machines are heavily loaded at the moment.  Once the additional server room comes on line, then everything should ease up.

It's very unfortunate timing that this comes shortly after a rough set of weeks with our complete server upgrade, which lead to several machines being down in a rotation for updates.  That lead to servers being hit hard too.  Note that we have been working to improve client/server performance under such high loads.  That development lead to server code changes and a new client binary available that helps uploads to servers when the servers are loaded.  Please see the previous posts here for updates on those clients.

UPDATE: One of the stanford nets appears to be down -- coming back up now
It looks like the down net is coming back up now.  The servers will be a bit loaded while everyone tries to put results back, but it should work itself out soon.
大意:
斯坦福大学计算机学院的网络出现故障,不过现在已经恢复正常了。

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 楼主| 发表于 2008-8-19 23:01:19 | 显示全部楼层
August 18, 2008
Massive power outage
Palo Alto is having a massive power outage which has brought down much of Stanford too. More info to come.

We will try to get this up asap once we get power back but it will be rough for a while.


August 18, 2008
Coming back on line

Here's the update from Stanford

Power mostly restored to campus
Updated 3 p.m pacific time. - Power has been restored to the majority of the Stanford campus. All normal power is expected to be restored by 5 p.m. or sooner. A major outage occurred today at 11:30 a.m., affecting P G & E customers in Stanford, Menlo Park, Atherton and Palo Alto. If you are still experiencing difficulties on the Stanford campus, call 723-2281. At Stanford Hospital, dial 286.

This one was a major disaster at Stanford and Palo Alto (and nearby cities), probably the biggest outage in a while.  However, there seems to be some major Stanford power outage once a year, which is a major problem.

With this in mind, we have been distributing more of FAH to outside of Stanford (with servers at UCSF, Columbia, Cal State U Long Beach, and U. Pittsburgh). We hope to have a European site soon. Once those sites are a bit more established, we'll see about pushing an assignment server to a non-Stanford site and we should be much more safe to Stanford-related issues.

Also, it's good that we have servers in 4 different server rooms on campus.  One stayed up the whole time, two came up fast, and the fourth (VSPGxx) is coming up now.  Some servers will be slow to come up, so we expect this may take at least a few hours.  

The stats update has been turned off until this gets sorted out.  We hope to turn it back on later tonight, but it may have to wait until tomorrow morning.
大意:
斯坦福大学遭遇大停电
我们考虑在其它地方也建一些服务器,这样就不会被‘一锅端’了。
我们把统计服务停了。等所有服务器恢复正常,再开。

August 19, 2008
Update: almost 100% back up, but stats update on hold
Most machines are now back up with a few exceptions.  One key exception is a server used in the stats updates.  So, while the points are being recorded on local servers, these logs are not being inputted into the stats at the moment, i.e. stats updates are on hold at the moment.  

We will give an update when the stats update is back on line.   Please keep in mind that the points are not being lost, just not being entered into the db and once this machine is up, all the logs (and all the old points from last night, etc) will be entered into the stats db.
差不多完全恢复了,不过统计还要再等会儿。
大家不用担心,积分不会丢的。

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 楼主| 发表于 2008-8-20 22:40:41 | 显示全部楼层
August 19, 2008
stats update in progress
Our server is back up and we're in the progress of doing a stats update.  This update alone will take some time and so WU's will take longer to get through the system for about 24 hours.  The good news is that all the key systems are back on line.
大意:
统计恢复

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 楼主| 发表于 2008-8-28 21:40:58 | 显示全部楼层
August 27, 2008
Stats hiccup -- running again
A server hung last night. It's back running now and the stats are updating again (as of 6:30am PDT). The backlogged points will appear later today.
大意:
昨晚有一台服务器又挂了,现在已经恢复正常了,统计中……

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