Author |
Message |
Topic: TIOBE index top 20: re-emergence of Fortran |
DanRRight
Replies: 20
Views: 15673
|
Forum: General Posted: Sat Oct 05, 2024 11:10 pm Subject: |
I think asking users of this compiler at this point to prioritize the trends of future development is like to fall into closed loop. With time the users who are left or attracted here became those wh ... |
Topic: TIOBE index top 20: re-emergence of Fortran |
DanRRight
Replies: 20
Views: 15673
|
Forum: General Posted: Thu Oct 03, 2024 12:22 am Subject: |
Here is good picture which explains why this compiler must support GPUs. This diagram shows how works typical modern supercomputer, this was from the most powerful one called Frontier but in essence a ... |
Topic: TIOBE index top 20: re-emergence of Fortran |
DanRRight
Replies: 20
Views: 15673
|
Forum: General Posted: Sun Sep 29, 2024 8:46 pm Subject: |
This year there will be three good news to build powerful workstations or PC for parallel simulations:
- NVIDIA RTX 5090, it is gaming GPU, it has some restrictions, but still works with CUDA too. ... |
Topic: Any MATLAB Pros are here? |
DanRRight
Replies: 5
Views: 774
|
Forum: General Posted: Sun Sep 29, 2024 7:37 pm Subject: |
24 bit split used because after V splitted to two integer numbers U and L they will be assigned to real*4 numbers RU and RL and saved to media (that was done for speed considerations, RU and RL will b ... |
Topic: Birth defect of Clearwin |
DanRRight
Replies: 9
Views: 896
|
Forum: ClearWin+ Posted: Sun Sep 29, 2024 7:18 pm Subject: |
This is exactly what was needed!
Thanks Paul
Was it well advertised in Silverfrost own channels? I do not have Help for FTN95 temporally, it does not work by some reason in WINE (very old version ... |
Topic: Why this is forbidden ? |
DanRRight
Replies: 5
Views: 582
|
Forum: General Posted: Thu Sep 26, 2024 9:14 am Subject: |
Ken,
Having different sizes of all arrays (and ideally all components to be allocatable, including for the ispicies too but that failed from start), was exactly the purpose of this derived type. The ... |
Topic: Why this is forbidden ? |
DanRRight
Replies: 5
Views: 582
|
Forum: General Posted: Tue Sep 24, 2024 10:46 pm Subject: Why this is forbidden ? |
I was shocked to lose heck of time to find that neither FTN95 or gFortran allows this code. I declared TYPEd array (the only reason it is TYPEd is because i want arbitrary allocatable number or eleme ... |
Topic: Birth defect of Clearwin |
DanRRight
Replies: 9
Views: 896
|
Forum: ClearWin+ Posted: Tue Sep 24, 2024 8:50 am Subject: |
Can you guys rewrite complaining demo code above to show how it was intended to work by design? Potential advantages of this approach (or unavoidable obstacles) kind of do not cross my quick view. I ... |
Topic: Birth defect of Clearwin |
DanRRight
Replies: 9
Views: 896
|
Forum: ClearWin+ Posted: Tue Sep 24, 2024 6:05 am Subject: |
Convince me why controlling focus loss it is obligatory and why i will die without it. Typically i never use focus monitor. Before when i used it it only produced me troubles and in early times of Cle ... |
Topic: Birth defect of Clearwin |
DanRRight
Replies: 9
Views: 896
|
Forum: ClearWin+ Posted: Mon Sep 23, 2024 7:14 am Subject: |
Cool, that good upgrade. The only problem i am getting an error
%rf[fmt] requires %co[check_on_focus_loss]
To demonstrate it i tool Ken's example and modified it according to 4 ... |
Topic: SDBG and huge arrays |
DanRRight
Replies: 3
Views: 1579
|
Forum: General Posted: Sun Sep 22, 2024 9:10 am Subject: |
On Frontier, the #1 supercomputer in the world, the requests for computer time started to appear in my area of interests with allocations 5-7 Petabytes of RAM. Last year they were around 1 PB and I ... |
Topic: Birth defect of Clearwin |
DanRRight
Replies: 9
Views: 896
|
Forum: ClearWin+ Posted: Sun Sep 22, 2024 2:16 am Subject: Birth defect of Clearwin |
There exist few design problems of Clearwin annoying from its start. Here is one of them:
Sometimes not human readable numbers.
Any chance to fix these unbearable F-formatted 12345678546665456 ... |
Topic: TIOBE index top 20: re-emergence of Fortran |
DanRRight
Replies: 20
Views: 15673
|
Forum: General Posted: Wed Sep 18, 2024 11:01 am Subject: |
John, I do not know what is dan-talk - ?
I am waiting for confirmations from other people but the more i know about GPU the more i feel that such speedups are typical without any special trickery. ... |
Topic: Any MATLAB Pros are here? |
DanRRight
Replies: 5
Views: 774
|
Forum: General Posted: Tue Sep 17, 2024 6:22 am Subject: |
That was good advice, thanks.
By the way Matlab simply refused to compile in this case giving an error. And Gfortran did not complain but gave correct result without me specifying 64bit Z number not ... |
Topic: Any MATLAB Pros are here? |
DanRRight
Replies: 5
Views: 774
|
Forum: General Posted: Mon Sep 16, 2024 3:45 pm Subject: |
Seems there was not a Matlab but the FTN95 problem. We wrote Matlab code but it produced different result for U. I just tried Gfortran and also one additional Fortran compiler and both also "agre ... |
|