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Forum: Cloud Computing 2017-11-13, 21:19
Replies: 52
Views: 10,789
Posted By GP2
The user-data script (linked in this post...

The user-data script (linked in this post (http://mersenneforum.org/showthread.php?p=438163#post438163)) is now version 1.15

The EFS filesystem is now mounted with dirsync. Previously it was...
Forum: Cloud Computing 2017-09-23, 07:32
Replies: 52
Views: 10,789
Posted By GP2
A small change to the script (now version 1.13),...

A small change to the script (now version 1.13), to take into account the fact that the new feature in AWS that spot instances can now be stopped.

You can choose the behavior at launch time...
Forum: Cloud Computing 2017-08-30, 00:34
Replies: 52
Views: 10,789
Posted By GP2
I don't know if it's "normal", but I do get the...

I don't know if it's "normal", but I do get the same thing. I'm running c4.large and c4.xlarge instances, and I get %CPU = 100% and 200% respectively in top, so I think that's what really matters....
Forum: Cloud Computing 2017-08-09, 03:07
Replies: 52
Views: 10,789
Posted By GP2
There was a bug introduced in v 1.10 and v 1.11...

There was a bug introduced in v 1.10 and v 1.11 that prevented CUDALucas/mfaktc from starting on p2.xlarge instances (two shell variables were needlessly and incorrectly made "readonly"). This didn't...
Forum: Cloud Computing 2017-08-03, 22:53
Replies: 52
Views: 10,789
Posted By GP2
The User Data script that is included with this...

The User Data script that is included with this guide (as an attachment to one of the posts) lets you run CUDALucas or mfaktc on the GPU of a p2.xlarge instance, while simultaneously running mprime...
Forum: Cloud Computing 2017-08-03, 18:21
Replies: 52
Views: 10,789
Posted By GP2
One additional factor to consider when trying to...

One additional factor to consider when trying to determine which instance type is most cost-effective:

If your AWS account is more than one year old, then certain charges which were free in your...
Forum: Cloud Computing 2017-04-04, 04:47
Replies: 52
Views: 10,789
Posted By GP2
At first, that doesn't seem to make sense,...

At first, that doesn't seem to make sense, because a c4.8xlarge uses all 18 cores of a physical machine, so you can't have anyone else running on it at the same time.

But with spot instances, one...
Forum: Cloud Computing 2017-03-04, 21:37
Replies: 52
Views: 10,789
Posted By GP2
Here is the /proc/cpuinfo data for c4.8xlarge and...

Here is the /proc/cpuinfo data for c4.8xlarge and x1.16xlarge instances, maybe someone can help verify the AffinityScramble2 lines in the previous message:

c4.8xlarge

processor : 0...
Forum: Cloud Computing 2017-03-04, 21:07
Replies: 52
Views: 10,789
Posted By GP2
Hey, thanks for giving it a try. Note: when...

Hey, thanks for giving it a try.

Note: when using this guide, make sure you use the latest version of the user_data_body script (attached at the bottom of this message...
Forum: Cloud Computing 2016-10-17, 23:08
Replies: 52
Views: 10,789
Posted By GP2
AWS us-east-2 region (Ohio) is now online, has Elastic File System

A new AWS region, Ohio (us-east-2) is now available.

The Elastic File System (EFS) is available for this new region, so the scripts and methods mentioned in this thread will work for it too.
...
Forum: Cloud Computing 2016-10-10, 00:53
Replies: 52
Views: 10,789
Posted By GP2
The startup script (in an earlier message in this...

The startup script (in an earlier message in this thread) for launching mprime has now been updated to also work with the new p2.xlarge instance, which has a GPU and four CPU cores. The updated...
Forum: Cloud Computing 2016-07-23, 21:31
Replies: 52
Views: 10,789
Posted By GP2
How to monitor the progress of a p??????? save file

When you run mprime in the background on a server, you don't see output lines showing the progress:

[July 09 15:23] Iteration: 21631169 / 40000003 [54.08%]

However, this information can be...
Forum: Cloud Computing 2016-07-15, 18:10
Replies: 52
Views: 10,789
Posted By GP2
An up-to-date list of AWS regions that support...

An up-to-date list of AWS regions that support EFS (Elastic File System) is maintained by Amazon at this page (http://docs.aws.amazon.com/general/latest/gr/rande.html#elasticfilesystem-region).
...
Forum: Cloud Computing 2016-07-15, 07:17
Replies: 52
Views: 10,789
Posted By GP2
Running two or more Lucas-Lehmer testing instances at the same time, or quitting completely

Go to the EC2 console at http://console.aws.amazon.com/ec2/, then click on the "Spot Requests" link in the left-hand-side menu.

Make sure you are in the AWS region you intended to be in (the one...
Forum: Cloud Computing 2016-07-15, 07:06
Replies: 52
Views: 10,789
Posted By GP2
Monitoring the progress of the spot instance(s)

EC2 console

Go to the EC2 console at http://console.aws.amazon.com/ec2/, then click on the "Spot Requests" link in the left-hand-side menu.

Make sure you are in the AWS region where you...
Forum: Cloud Computing 2016-07-15, 06:44
Replies: 52
Views: 10,789
Posted By GP2
Using "spot instances" to run mprime

At last we are done with the one-time setup and configuration, and we're ready to actually start number crunching some LL tests. We will do so using Amazon's "spot instances".

Some applications...
Forum: Cloud Computing 2016-07-15, 06:28
Replies: 52
Views: 10,789
Posted By GP2
Setting up an EFS filesystem: terminating the instance you created

After you finish creating all the prime-init.txt and local-init.txt files in each of the subdirectories in the previous step, you can stay logged in to observe what happens when you launch the...
Forum: Cloud Computing 2016-07-15, 06:17
Replies: 52
Views: 10,789
Posted By GP2
Setting up an EFS filesystem: initial setup and configuration

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In the previous section, you logged into an instance using your ssh client...
Forum: Cloud Computing 2016-07-15, 05:01
Replies: 52
Views: 10,789
Posted By GP2
Setting up an EFS filesystem: run the ssh client program

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In the previous section, you launched an instance. You made sure that it had the...
Forum: Cloud Computing 2016-07-15, 04:20
Replies: 52
Views: 10,789
Posted By GP2
Setting up an EFS filesystem: make sure you have an instance running with the right permissions

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

After the previous section, your EFS filesystem has been created, but it's empty....
Forum: Cloud Computing 2016-07-15, 04:00
Replies: 52
Views: 10,789
Posted By GP2
Setting up an EFS filesystem: create the filesystem

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In this section, we will create an EFS filesystem.

Go to the Elastic File...
Forum: Cloud Computing 2016-07-15, 03:29
Replies: 52
Views: 10,789
Posted By GP2
Make sure your IAM instance role exists and it has the right permissions

This part only needs to be done once. You don't need to repeat it for each AWS region.

In this part, you will create a "role" that your instances will be assigned to when they launch, which will...
Forum: Cloud Computing 2016-07-15, 02:50
Replies: 52
Views: 10,789
Posted By GP2
Make sure that you have a key pair for ssh logins

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In this section, you will verify (or create) the key pair (private key and public...
Forum: Cloud Computing 2016-07-15, 02:37
Replies: 52
Views: 10,789
Posted By GP2
Create a new security group for mounting EFS

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In this section, you will set the permissions that will allow your instances to...
Forum: Cloud Computing 2016-07-14, 22:00
Replies: 52
Views: 10,789
Posted By GP2
Configure ssh for the default security group

This part will need to be done separately for each AWS region that you use (but for now let's just do one region).

In this section, you will set the permissions that will allow ssh logins to your...
Showing results 1 to 25 of 27

 
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