Commit Graph

20 Commits

Author SHA1 Message Date
sbraccia 764ce7f663 References to brilz replaced everywhere by cell_base.
There are still references to pwcom: please do not use pwcom in new code !!!
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@760 c92efa57-630b-4861-b058-cf58834340f0
2004-04-02 10:30:15 +00:00
sbraccia 28bfb48b47 - General cleanup.
- NEB: 1) units for activation energy and errors are printed in the output file
       2) elastic constants are automatically rescaled so that "spring"-forces have the
          same magnitude as "external-potential"-forces: this permits a larger time step
	  in NEB optimizations (the default will be changed later)
       3) fixed a bug in the way istep and istep_neb were set
- parser: the subroutine delete_if_present has a logical optional input argument to require a
          warning message when a file is removed
- check_stop: the function check_stop_now has an option input argument to assign an output unit
              different from stdout
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@753 c92efa57-630b-4861-b058-cf58834340f0
2004-03-29 08:42:37 +00:00
sbraccia 2a99b6fdac 1) An experimental parallelization of NEB images has been implemented.
This required a deep modification of the parallelism in PWscf:
there are two new communicators (intra_image_comm and inter_image_comm) and the
existing "pool" communicators (intra_pool_comm and inter_pool_comm) are now vectors
of length given by the number of parallel images. #ifdef __PARA is no longer
needed because all "parallel" variables are always initialized for a serial run
and all parallel routines are, in the case of a serial run, dummy routines.
The wrappers to MPI routines used only by PWscf are in the PW/para.f90 file.
The others (mp_***) are in the Modules/mp.f90. All explicit referencies to mpif.h
should be replaced by an "USE parallel_include" (in a serial run parallel_include
is simply a dummy module).

2) The extrapolation of both potential and wavefunctions has been rewritten in
order to be smarter than before: on the basis of the required extrapolation
order, on the basis of the history and on the basis of which files are really
present on the disk, the algorithm chooses the extrapolation order.
All the algorithms in which ions are moved can use the extrapolation.

These are both unstable features: I need the help of everybody to test them.

C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@742 c92efa57-630b-4861-b058-cf58834340f0
2004-03-24 09:36:50 +00:00
sbraccia 2bcd9132c5 Problems in parallel version of PWNC and PWCOND fixed.
Other refernces to mpif.h removed.
In rdiaghg and cdiaghg #ifdef HAS_ZHEGVX removed (that routine is present in all lapack distributions).
wfcs extrapolation extended to NEB.
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@727 c92efa57-630b-4861-b058-cf58834340f0
2004-03-15 15:25:20 +00:00
sbraccia 0224c2a9ad wfc-extrapolation extended to all "relax" algorithms.
Molecular Dynamics based algorithm partially rewritten:
both standard and damped MD are performed with the velocity Verlet
scheme (with or without constrains).
Renata's subroutines are used only in the framework of variable
cell.
constrain.f90 file is no longer needed: cnstrains are set in the
input file (see CONSTRAINTS CARD) with the same input format used
in FPMD. An arbitrary number of constrains can be set.
In the case of constrained relaxation the damped MD
algorithm is used instead of BFGS.
When restart_mode = "from_scratch" many reastr files are removed
from the scratch directory.
Several other modifications here and there. (C.S.)


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@675 c92efa57-630b-4861-b058-cf58834340f0
2004-02-26 11:50:36 +00:00
giannozz 0ffbe520a7 Singular Value Decomposition used in extrapolate_wfc:
avoids numerical instabilities (Paolo Cazzato)


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@580 c92efa57-630b-4861-b058-cf58834340f0
2004-02-10 14:54:54 +00:00
giannozz 0b1a5c9fd8 Extensive module cleanup: DP moved from wrong place (parameters) to the
correct place (kinds); module "varie" replaced by "control_flags" (not
yet in pwcom, though) - many many files changed.
64-bit cpus (Opteron, maybe Itanium) should now work if __LINUX64 is defined


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@513 c92efa57-630b-4861-b058-cf58834340f0
2004-01-23 15:08:03 +00:00
sbraccia 2efd90d37f General cleanup. The threshold for diagonalization (ethr) is now fixed to 1.D-5 at the first scf iteration (iter=1). A check is then performed to verify that the resulting density is adeguate (dr2/nelec > ethr). If it is not the diagonalization goes on with a smaller ethr. For iter > 1 ethr is updated with the old recipe. Also added a warning in update_pot that indicates "problems" in the wfc extrapolation. This problem has not yet been fixed.
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@495 c92efa57-630b-4861-b058-cf58834340f0
2004-01-20 12:26:22 +00:00
sbraccia 4a45541488 Fixed a bug in the wavefunctions extrapolation.
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@481 c92efa57-630b-4861-b058-cf58834340f0
2004-01-13 14:49:17 +00:00
sbraccia 2f4d7baded PW, Gamma and NEB are now unified.
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@449 c92efa57-630b-4861-b058-cf58834340f0
2003-12-10 14:57:07 +00:00
cavazzon 9ce7263953 - bug (alpha compiler) reported by Sergey has been fixed
- module filnam in pwcom moved to io_files module
- module units in pwcom moved to io_file

From now on, all file names and their unit and attributes (i.e. reclen)
should be defined in Modules/io_files.f90


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@382 c92efa57-630b-4861-b058-cf58834340f0
2003-11-09 18:30:08 +00:00
cavazzon c5d8ff2f66 - unit 6 replaced by stdout in CPV
- ^M removed from pseudo files
- wavefunctions arrais moved to module
  wavefunctions_module, common to all codes
  this is required to reduce duplicated subroutine
- new lapack subroutine, called from PWCOND,
  added to lib/lapack.f lib/lapack_ibm.f


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@381 c92efa57-630b-4861-b058-cf58834340f0
2003-11-09 10:42:50 +00:00
sbraccia 24ce939aeb Unit stdout (set in Modules/io_global.f90) is used to write on standard output
instead of 6 or *.
C.S.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@365 c92efa57-630b-4861-b058-cf58834340f0
2003-11-04 10:53:05 +00:00
giannozz 9e3fedec2c phonon: added comments to remind why dbecsum is summed
over processors; various calls to setv removed
Second occurrence of wsinit and wsweight removed
Unit number cleanup (solves problem with conflicting units)


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@329 c92efa57-630b-4861-b058-cf58834340f0
2003-10-15 11:40:07 +00:00
cavazzon 1d34b5c0a8 non collinear spin version of PW,
contributed by Adriano Mosca Conte,
added to the repository.
The non collinear code has required
a new module "wavefunctions" containing
"psic" and "evc", that no longer belong
to pwcom.

use: cvs update -d

there's a new example (example13), that is not
yet complete, I'm waiting for the appropriate
pseudopotential from Adriano


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@322 c92efa57-630b-4861-b058-cf58834340f0
2003-10-03 14:01:11 +00:00
cavazzon cbff0f48de different modules containing filenames and directories
substituted by common module:
Modules/io_files.f90


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@317 c92efa57-630b-4861-b058-cf58834340f0
2003-09-23 14:45:12 +00:00
degironc c830a68c37 22 apr 2003 All setv statements in PW repalaced by f90 constructs.
Minor changes in PW & PH (code readability).


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@178 c92efa57-630b-4861-b058-cf58834340f0
2003-04-22 16:03:45 +00:00
giannozz 9e3a2de758 Support for lahey compiler added: "error" renamed to "errore", "rnd" to "rndx"
bug in io_base fixed
PARA => __PARA
cinterpolate moved into interpolate


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@86 c92efa57-630b-4861-b058-cf58834340f0
2003-02-21 14:57:00 +00:00
giannozz d852392cab module allocate, calls to mallocate, mfree removed
pointers replaced by allocatable whenever possible


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@56 c92efa57-630b-4861-b058-cf58834340f0
2003-02-07 16:04:36 +00:00
giannozz ac9f2144c0 O-sesame
git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@2 c92efa57-630b-4861-b058-cf58834340f0
2003-01-19 21:58:50 +00:00