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Forum: Mlucas 2020-10-26, 11:58
Replies: 4
Views: 93
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: 2,825
Views: 166,385
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: 43
Views: 4,926
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: 4
Views: 93
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: 58,036
Posted By retina
Of course.

Of course.
Forum: GpuOwl 2020-10-25, 06:42
Replies: 35
Views: 719
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: 35
Views: 719
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: 341
Views: 19,950
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: 203
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: 35
Views: 719
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: 35
Views: 719
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: 203
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: 35
Views: 719
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: 203
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: 203
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: 203
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.
Forum: Soap Box 2020-10-24, 10:02
Replies: 341
Views: 19,950
Posted By retina
Big corps always place themselves above their...

Big corps always place themselves above their customers lusers. Apple is no exception:

https://medium.com/tripmode/apple-started-hiding-the-traffic-of-its-own-mac-apps-9dc83c5a9c5b You are just...
Forum: Software 2020-10-24, 08:39
Replies: 15
Views: 203
Posted By retina
I know everyone here likes to call these things...

I know everyone here likes to call these things "cores". But Intel called it hyper-threading for a reason. It is a thread, not a core. It never was a core, it never will be a core.

Calling them...
Forum: Lounge 2020-10-24, 07:58
Replies: 44
Views: 3,549
Posted By retina
:confused: 2^16 = 65536, right?

:confused:

2^16 = 65536, right?
Forum: GpuOwl 2020-10-24, 06:53
Replies: 35
Views: 719
Posted By retina
If you are rewriting the file then you can do...

If you are rewriting the file then you can do whatever you want. It is only upon reading, to make the code simple, to add a newline so there doesn't need to be any special handling for just the last...
Forum: Lounge 2020-10-24, 04:30
Replies: 44
Views: 3,549
Posted By retina
There are plenty of symbols available. One look...

There are plenty of symbols available. One look at the Unicode tables will convince you that a lack of symbols is not the problem here.

ETA: Even LaurV's base 60060 can be accommodated with...
Forum: GpuOwl 2020-10-24, 03:47
Replies: 35
Views: 719
Posted By retina
I meant to only add it in memory, not on disk. ...

I meant to only add it in memory, not on disk.

But anyhow, I'm sure the user is more surprised to get an error when the text file looks perfectly fine to them.
Forum: GpuOwl 2020-10-24, 02:13
Replies: 35
Views: 719
Posted By retina
Why so OCD? Just place a LF (or CRLF) on the...

Why so OCD?

Just place a LF (or CRLF) on the end of every text file you load into memory. Then you don't have to treat the user to an unnecessary error.
Forum: GpuOwl 2020-10-23, 10:11
Replies: 35
Views: 719
Posted By retina
Great job of blaming the victim. :tu:

Great job of blaming the victim. :tu:
Forum: ONeil 2020-10-22, 11:32
Replies: 9
Views: 206
Posted By retina
Claim is false because I can make faster...

Claim is false because I can make faster code:import timeit
while True:
p = int(input("Enter a prime number: "))
start_time = timeit.default_timer()
for k in range(1,999999999):
if...
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