mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 1000
Search took 0.46 seconds.
Search: Posts Made By: retina
Forum: enzocreti 2020-10-30, 05:43
Replies: 10
Views: 237
Posted By retina
I doubt that would happen. Everything has...

I doubt that would happen. Everything has limitations. All that would happen is the wavefront moves ahead a few orders of magnitude. So instead of searching at 100M we then search at 100T (or...
Forum: GpuOwl 2020-10-30, 03:11
Replies: 39
Views: 901
Posted By retina
Haha, well which do you prefer: a) Have the...

Haha, well which do you prefer:

a) Have the program just do-the-right-thing and run the test, or
b) Print an error and do nothing for a few days until you discover it isn't running (because of...
Forum: Lounge 2020-10-29, 12:39
Replies: 8
Views: 171
Posted By retina
I would, but ... lazy. But to keep on topic....

I would, but ... lazy.

But to keep on topic.

Maybe for all of you who live with awesome Internet speeds, low relative costs and perfect reliability, then online stuff might be fine for certain...
Forum: Marin's Mersenne-aries 2020-10-29, 10:54
Replies: 15
Views: 440
Posted By retina
Agreed.No. I think the OP is being overly...

Agreed.No.

I think the OP is being overly anxious and impatient.
Forum: Lounge 2020-10-29, 10:07
Replies: 937
Views: 51,019
Posted By retina
Type in commands? Debuggers? You young'uns have...

Type in commands? Debuggers? You young'uns have it so easy these days. When I was a lad we didn't have debuggers. Or displays. Or keyboards.
Forum: enzocreti 2020-10-29, 07:01
Replies: 10
Views: 237
Posted By retina
You can run the Pepin test now. The problem is...

You can run the Pepin test now. The problem is just patience, and the willingness of your offspring to continue the test after your passing. The test can be transferred to newer hardware to continue...
Forum: Lounge 2020-10-29, 04:28
Replies: 8
Views: 171
Posted By retina
Which option do I choose if I want a 70%/30%...

Which option do I choose if I want a 70%/30% split?

:devil:
Forum: Soap Box 2020-10-26, 22:46
Replies: 344
Views: 20,386
Posted By retina
And the answer is all of them, right?

And the answer is all of them, right?
Forum: Mlucas 2020-10-26, 22:44
Replies: 7
Views: 243
Posted By retina
If the instruction is not supported then you get...

If the instruction is not supported then you get an exception. You can test it with an older OS not aware of AVX and try executing some AVX instructions on a newer CPU.
Forum: Mlucas 2020-10-26, 11:58
Replies: 7
Views: 243
Posted By retina
There are many. The AVX instructions that...

There are many.

The AVX instructions that use ZMM registers, for example, must be enabled by the OS before anyone can use them. I believe this is because the FXSAVE/FXRESTORE type instructions...
Forum: Science & Technology 2020-10-26, 06:40
Replies: 2,826
Views: 167,245
Posted By retina
Cause of Alzheimer's disease traced to mutation...

Cause of Alzheimer's disease traced to mutation in common enzyme (https://eurekalert.org/pub_releases/2020-10/tmu-coa102120.php)
Forum: Hardware 2020-10-26, 05:51
Replies: 45
Views: 5,165
Posted By retina
Based upon the rule-of-thumb of USD1 per year for...

Based upon the rule-of-thumb of USD1 per year for each watt then you will have $105 in your pocket in one year from now.
Forum: Mlucas 2020-10-25, 22:52
Replies: 7
Views: 243
Posted By retina
IMO the only true-and-correctTM method of finding...

IMO the only true-and-correctTM method of finding out what one's system can execute is to simply execute an instruction from the set. If you get an exception then you can't use that set.

This it...
Forum: News 2020-10-25, 11:45
Replies: 571
Views: 58,595
Posted By retina
Of course.

Of course.
Forum: GpuOwl 2020-10-25, 06:42
Replies: 39
Views: 901
Posted By retina
Why would I care? I don't care how many blank...

Why would I care? I don't care how many blank lines a file has. I just like things to work as expected. If it has a few extra blank lines in places, well so what? It's not like it is some sort of...
Forum: GpuOwl 2020-10-25, 03:55
Replies: 39
Views: 901
Posted By retina
wc can go jump in a lake. grep has it correct:~...

wc can go jump in a lake. grep has it correct:~ echo -n "hi" | grep -c ""
1
Forum: Soap Box 2020-10-24, 14:20
Replies: 344
Views: 20,386
Posted By retina
How does that solve the Apple thing though? If...

How does that solve the Apple thing though? If you run an external firewall then it becomes impossible to know which application is accessing which IP. Plus if the machine ever gets transported to...
Forum: Software 2020-10-24, 13:59
Replies: 15
Views: 244
Posted By retina
You need to see what works with your system. ...

You need to see what works with your system.

1 x 8 (1 worker using 8 threads) might be okay.

But also, 2 x 4 could be better.

Or some other combination like 3 x 2, or 1 x 6, or 4 x 2, etc.
...
Forum: GpuOwl 2020-10-24, 13:47
Replies: 39
Views: 901
Posted By retina
My conversation with wc: Me: Hey wc, how...

My conversation with wc:

Me: Hey wc, how many lines were returned from this command?
wc: Zero
Me: So the output was nothing?
wc: No. I said there are zero lines.
Me: How can there be no lines,...
Forum: GpuOwl 2020-10-24, 13:24
Replies: 39
Views: 901
Posted By retina
Nope. wc is still wrong. "A" has zero lines...

Nope. wc is still wrong.

"A" has zero lines according to wc, and "B" has zero lines according to wc. But both of those have 1 line each. If I concatenate them then "AB" also has 1 line, it isn't...
Forum: Software 2020-10-24, 11:44
Replies: 15
Views: 244
Posted By retina
I don't mind the term virtual-thread. But it has...

I don't mind the term virtual-thread. But it has to be in the right context.

Using LaurV's example counts above: "The OS has 50 virtual threads that it will manage and schedule to the 8 CPU...
Forum: GpuOwl 2020-10-24, 11:28
Replies: 39
Views: 901
Posted By retina
I wouldn't trust wc to be the sole definer of a...

I wouldn't trust wc to be the sole definer of a line.

But, OMG, you are correct:~ echo -n "hi" | wc -l
0Now I hate wc :cry:
Forum: Software 2020-10-24, 11:01
Replies: 15
Views: 244
Posted By retina
我认为我的英语是差。这太糟糕了。我想我说的中式英语。你们知道中式英语?这意思是以中国人的想法说英语。...

我认为我的英语是差。这太糟糕了。我想我说的中式英语。你们知道中式英语?这意思是以中国人的想法说英语。例如,好久不见。

:razz:
Forum: Software 2020-10-24, 10:34
Replies: 15
Views: 244
Posted By retina
Sure I can. I just have to word it correctly. ...

Sure I can. I just have to word it correctly.

"My CPU can process 8 threads simultaneously, through its 4 execution cores, a maximum of 2 threads per core. The OS has to schedule its 50 threads...
Forum: Software 2020-10-24, 10:09
Replies: 15
Views: 244
Posted By retina
That is the very reason to stop calling them...

That is the very reason to stop calling them virtual. It creates such silly notions in people's heads.
Showing results 1 to 25 of 1000

 
All times are UTC. The time now is 23:26.

Fri Oct 30 23:26:06 UTC 2020 up 50 days, 20:37, 2 users, load averages: 1.64, 1.77, 1.90

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.