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.Version 9.3.1 of FFTPROF
.(MPI version, prepared for a x86_64_linux_gnu9.3 computer)
.Copyright (C) 1998-2025 ABINIT group .
FFTPROF comes with ABSOLUTELY NO WARRANTY.
It is free software, and you are welcome to redistribute it
under certain conditions (GNU General Public License,
see ~abinit/COPYING or http://www.gnu.org/copyleft/gpl.txt).
ABINIT is a project of the Universite Catholique de Louvain,
Corning Inc. and other collaborators, see ~abinit/doc/developers/contributors.txt .
Please read https://docs.abinit.org/theory/acknowledgments for suggested
acknowledgments of the ABINIT effort.
For more information, see https://www.abinit.org .
.Starting date : Tue 10 Nov 2020.
- ( at 22h24 )
Tool for profiling and testing the FFT libraries used in ABINIT.
Allowed options are:
fourdp --> Test FFT transforms of density and potentials on the full box.
fourwf --> Test FFT transforms of wavefunctions using the zero-pad algorithm.
gw_fft --> Test the FFT transforms used in the GW code.
all --> Test all FFT routines.
Real(R)+Recip(G) space primitive vectors, cartesian coordinates (Bohr,Bohr^-1):
R(1)= 12.0000000 0.0000000 0.0000000 G(1)= 0.0833333 0.0000000 0.0000000
R(2)= 0.0000000 11.0000000 0.0000000 G(2)= 0.0000000 0.0909091 0.0000000
R(3)= 0.0000000 0.0000000 13.0000000 G(3)= 0.0000000 0.0000000 0.0769231
Unit cell volume ucvol= 1.7160000E+03 bohr^3
Unit cell volume ucvol= 1.7160000E+03 bohr^3
Angles (23,13,12)= 9.00000000E+01 9.00000000E+01 9.00000000E+01 degrees
Angles (23,13,12)= 9.00000000E+01 9.00000000E+01 9.00000000E+01 degrees
==== FFT setup for fftalg 110 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 110
FFT cache size ............................ 16
==== FFT setup for fftalg 111 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 111
FFT cache size ............................ 16
==== FFT setup for fftalg 112 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 112
FFT cache size ............................ 16
==== FFT setup for fftalg 410 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 410
FFT cache size ............................ 16
==== FFT setup for fftalg 411 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 411
FFT cache size ............................ 16
==== FFT setup for fftalg 412 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 412
FFT cache size ............................ 16
==== FFT setup for fftalg 312 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 312
FFT cache size ............................ 16
==== FFT setup for fftalg 512 ====
FFT mesh divisions ........................ 75 72 80
Augmented FFT divisions ................... 75 73 80
FFT algorithm ............................. 512
FFT cache size ............................ 16
==============================================================
==== fourwf with option 0, cplex 0, ndat 1, istwf_k 7 ====
==============================================================
Library CPU-time WALL-time nthreads ncalls Max_|Err| <|Err|>
- Goedecker (110) 0.0118 0.0118 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (111) 0.0071 0.0071 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (112) N/A N/A N/A N/A N/A N/A
- Goedecker2002 (410) 0.0237 0.0238 1 (100%) 5 4.16E-14 1.84E-15
- Goedecker2002 (411) 0.0075 0.0076 1 (100%) 5 4.16E-14 1.84E-15
- Goedecker2002 (412) N/A N/A N/A N/A N/A N/A
- FFTW3 (312) N/A N/A N/A N/A N/A N/A
- DFTI (512) N/A N/A N/A N/A N/A N/A
Consistency check: MAX(Max_|Err|) = 4.16E-14, Max(<|Err|>) = 1.84E-15, reference_lib: Goedecker (110)
==============================================================
==== fourwf with option 1, cplex 1, ndat 1, istwf_k 7 ====
==============================================================
Library CPU-time WALL-time nthreads ncalls Max_|Err| <|Err|>
- Goedecker (110) 0.0108 0.0108 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (111) 0.0083 0.0084 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (112) 0.0044 0.0044 1 (100%) 5 2.96E-12 9.68E-15
- Goedecker2002 (410) 0.0237 0.0238 1 (100%) 5 2.27E-12 9.89E-15
- Goedecker2002 (411) 0.0083 0.0083 1 (100%) 5 2.27E-12 9.92E-15
- Goedecker2002 (412) 0.0078 0.0078 1 (100%) 5 2.27E-12 9.89E-15
- FFTW3 (312) 0.0041 0.0041 1 (100%) 5 2.73E-12 9.79E-15
- DFTI (512) N/A N/A N/A N/A N/A N/A
Consistency check: MAX(Max_|Err|) = 2.96E-12, Max(<|Err|>) = 9.92E-15, reference_lib: Goedecker (110)
==============================================================
==== fourwf with option 2, cplex 1, ndat 1, istwf_k 7 ====
==============================================================
Library CPU-time WALL-time nthreads ncalls Max_|Err| <|Err|>
- Goedecker (110) 0.0205 0.0206 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (111) 0.0125 0.0125 1 (100%) 5 1.11E-16 5.67E-20
- Goedecker (112) 0.0070 0.0070 1 (100%) 5 1.67E-16 1.03E-19
- Goedecker2002 (410) 0.0358 0.0359 1 (100%) 5 3.25E-16 1.54E-19
- Goedecker2002 (411) 0.0143 0.0144 1 (100%) 5 3.32E-16 1.37E-19
- Goedecker2002 (412) 0.0138 0.0138 1 (100%) 5 3.32E-16 1.37E-19
- FFTW3 (312) 0.0063 0.0063 1 (100%) 5 2.34E-16 1.28E-19
- DFTI (512) N/A N/A N/A N/A N/A N/A
Consistency check: MAX(Max_|Err|) = 3.32E-16, Max(<|Err|>) = 1.54E-19, reference_lib: Goedecker (110)
==============================================================
==== fourwf with option 3, cplex 0, ndat 1, istwf_k 7 ====
==============================================================
Library CPU-time WALL-time nthreads ncalls Max_|Err| <|Err|>
- Goedecker (110) 0.0093 0.0093 1 (100%) 5 0.00E+00 0.00E+00
- Goedecker (111) 0.0055 0.0055 1 (100%) 5 3.33E-16 4.06E-20
- Goedecker (112) 0.0056 0.0056 1 (100%) 5 3.33E-16 4.06E-20
- Goedecker2002 (410) 0.0146 0.0146 1 (100%) 5 3.61E-16 8.20E-20
- Goedecker2002 (411) N/A N/A N/A N/A N/A N/A
- Goedecker2002 (412) N/A N/A N/A N/A N/A N/A
- FFTW3 (312) 0.0053 0.0053 1 (100%) 5 2.22E-16 6.86E-20
- DFTI (512) N/A N/A N/A N/A N/A N/A
Consistency check: MAX(Max_|Err|) = 3.61E-16, Max(<|Err|>) = 8.20E-20, reference_lib: Goedecker (110)
Analysis completed.
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