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  Topic: New Intel 12900k, anyone?
JohnCampbell

Replies: 6
Views: 117

PostForum: General   Posted: Mon Dec 06, 2021 5:22 am   Subject:
Dan,

I remember when 1 MFLOP/sec was a target performance.
Now I am getting over 100 GFLOP/sec for real*8 matrix multiplication on 5900X using OpenMP, which is a staggering improvement (although I ...
  Topic: No Saturdays without devilry
JohnCampbell

Replies: 19
Views: 581

PostForum: ClearWin+   Posted: Mon Dec 06, 2021 1:55 am   Subject:
Eddie,

"One kind of integer" was INTEGER*2. Even back to 70's we needed *4 for large arrays.

My use of COMMON include files has always been explicit "kind" definition, but wi ...
  Topic: New Intel 12900k, anyone?
JohnCampbell

Replies: 6
Views: 117

PostForum: General   Posted: Mon Dec 06, 2021 1:39 am   Subject: Re:
The University I worked at always bought Intel in commercially-assembled machines from well-known manufacturers, and I was always appalled at how pedestrian they seemed in comparison to what I had ass ...
  Topic: No Saturdays without devilry
JohnCampbell

Replies: 19
Views: 581

PostForum: ClearWin+   Posted: Thu Dec 02, 2021 9:15 am   Subject:
Dan,

I modified your code to:
report the memory address of "EnergyInFocalSpot" which is different in 2 routines.
Commenting out the redefinition fixes the problem.

It is intersting ...
  Topic: Process button pushes on interrupt?
JohnCampbell

Replies: 4
Views: 143

PostForum: General   Posted: Thu Dec 02, 2021 7:15 am   Subject:
ctd : next part of code shows:
menu setup to provide interrupt button and
user_look to test for interupt being selected.
subroutine user_look
!
! Temporary suspension of program to enable upd ...
  Topic: Process button pushes on interrupt?
JohnCampbell

Replies: 4
Views: 143

PostForum: General   Posted: Thu Dec 02, 2021 6:34 am   Subject:
Clearwin+does provide for this functionality via menu %mn option.

By creating a menu option for interupt, you can run your calculation and at selected stages (say start or end of each DO) test if t ...
  Topic: Stream I/O problem with write (lu, pos=address) buffer
JohnCampbell

Replies: 2
Views: 193

PostForum: General   Posted: Thu Nov 25, 2021 5:00 am   Subject:
Paul,

I have not yet tested the latest .dll's you have supplied.
I am using ftn95 Ver 8.80.0. Should I update to the latest version first ?

John
  Topic: Stream I/O problem with write (lu, pos=address) buffer
JohnCampbell

Replies: 2
Views: 193

PostForum: General   Posted: Thu Nov 25, 2021 4:50 am   Subject: Stream I/O problem with write (lu, pos=address) buffer
Paul,

(new post of old problem for clean thread)

I am trying to understand what is wrong, so I created a "simpler" example.
This uses records of 256 bytes (no header/footer) and reads ...
  Topic: Incorrect reported COMMON block size
JohnCampbell

Replies: 15
Views: 535

PostForum: Support   Posted: Tue Nov 23, 2021 1:23 am   Subject:
I was not aware that FTN95 did "common alignment"
Was this introduced in FTN95 /64 ?
  Topic: Can REAL*4 array store more than 4GB?
JohnCampbell

Replies: 49
Views: 6241

PostForum: General   Posted: Mon Nov 22, 2021 1:08 pm   Subject:
Thanks Paul,

I think you are stating that unformatted binary files have a record size limit of 2gb bytes.

I also posted an example of stream I/O that did not work.
I am more interested to see i ...
  Topic: Can REAL*4 array store more than 4GB?
JohnCampbell

Replies: 49
Views: 6241

PostForum: General   Posted: Fri Nov 19, 2021 5:38 am   Subject:
Dan,

I tried to find independent reporting of the numbers you have quoted.
I found : https://www.nature.com/articles/d41586-021-03003-6

Some of the issues that confuse include:
unvaccinated pe ...
  Topic: Can REAL*4 array store more than 4GB?
JohnCampbell

Replies: 49
Views: 6241

PostForum: General   Posted: Thu Nov 18, 2021 5:55 am   Subject:
Dan,

It is not good enough to merely question the data and then suggest perhaps the solution is wrong.
Show an alternative explaination and prove this new hypothesis is a better model.
My underst ...
  Topic: Can REAL*4 array store more than 4GB?
JohnCampbell

Replies: 49
Views: 6241

PostForum: General   Posted: Tue Nov 02, 2021 11:22 pm   Subject:
Dan,
What is your point ?
A senator is mis-quoting some medical statistics ?
The statistics appear wrong ?
medical science is wrong ?
Do you have a point to make about how medical statistics are ...
  Topic: Can REAL*4 array store more than 4GB?
JohnCampbell

Replies: 49
Views: 6241

PostForum: General   Posted: Tue Nov 02, 2021 6:54 am   Subject:
Dan,

"one senator from Florida" is not a good start.

If 67% of poputaloun are vacinated what % of deaths would suggest vaccines are not effective ? I don't think this senator gets tha ...
  Topic: sdbg PROBLEM
JohnCampbell

Replies: 14
Views: 2037

PostForum: 64-bit   Posted: Fri Oct 29, 2021 8:37 am   Subject:
I got a similar "Access Violation" error with FTN95 /64 /check Ver 8.80.0.
Below is a simpler example that compiles, and reports the error,
but basically I incorrectly used an integer vari ...
 
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