large?
Barry
On Jan 14, 2021, at 4:13 PM, Matthew Knepley wrote:
On Thu, Jan 14, 2021 at 4:38 PM Qin Lu wrote:
Hi Matthew,
Thanks for your response! Does CHKERRQ work for FORTRAN-90?
Yes, see the examples.
I linked my program with debug version of Petsc lib and got more error messages
as
, Jan 14, 2021 at 11:58 AM Qin Lu via petsc-users
wrote:
Hello,
My program got error 55 from calling MatMPIAIJSetPreallocation with Petsc
version 3.12.5, what does this error mean? Interestingly, the same program
using an older version 3.4.2 works fine. I did make necessary interface change
in my
Hello,
My program got error 55 from calling MatMPIAIJSetPreallocation with Petsc
version 3.12.5, what does this error mean? Interestingly, the same program
using an older version 3.4.2 works fine. I did make necessary interface change
in my program when I upgraded to 3.12.5.
Thanks in advance f
means that zero got filled in during the factorization)
On Jul 8, 2020, at 2:11 PM, Mark Adams wrote:
On Wed, Jul 8, 2020 at 2:43 PM Qin Lu via petsc-users
wrote:
Hello,
I am using the Petsc native direct solver (with KSPPREONLY and PCLU) to solver
a small Linear equation system. The matrix ha
Hello,
I am using the Petsc native direct solver (with KSPPREONLY and PCLU) to solver
a small Linear equation system. The matrix has a couple of diagonal terms with
value 0, which makes the solver fail. Then I set a very small value (e.g.,
1e-10) at these terms and the solver works. Can this cau
external solvers have
much more elaborate implements of sparse factorizations and solve but those
elaborations are for getting higher performance on large problems. For dense
matrices PETSc uses the LAPACK solver which does fine at those sizes.
Barry
On Jun 12, 2020, at 12:33 PM, Qin Lu via
Thanks Matthew and Mark!
Qin
On Friday, June 12, 2020, 12:22:08 PM CDT, Mark Adams
wrote:
On Fri, Jun 12, 2020 at 12:56 PM Qin Lu via petsc-users
wrote:
Hello,
I plan to solve a small sparse linear equation system using the direct solver,
since the number of unknowns is small
Hello,
I plan to solve a small sparse linear equation system using the direct solver,
since the number of unknowns is small (less than 1000). Here I got a few
questions:
1. Is there a general guide line on the size of the system that direct solver
is more efficient than iterative solver?2. Is th
h
On Tue, 31 Mar 2020, Matthew Knepley wrote:
> On Tue, Mar 31, 2020 at 2:42 PM Qin Lu via petsc-users <
> petsc-users@mcs.anl.gov> wrote:
>
> > My program has multiple files in a single directory, and there are some
> > other dependencies. Are you talking about
:
Is your code a single source file? multiple sourcefiles in a single dir? any
external dependencies other than petsc?
If possible - try compiling your code with petsc makefile. Does the code run
correctly this way?
Satish
On Tue, 31 Mar 2020, Qin Lu via petsc-users wrote:
> I built
via petsc-users wrote:
> Try PETSc examples with KSPCreate() - do they run correctly?
>
> How do you build your code - do you use petsc formatted makefile?
>
> Look for differences. Also run your code in valgrind on linux. Or you need to
> debug further on windows..
>
>
debugger to determine the problem.
[If your code can compile on linux - I'll also suggest running it with valgrind]
Satish
On Tue, 31 Mar 2020, Qin Lu wrote:
> Hello,
> I moved Intel-MPI libs to a directory without space, now the
> configuration/build of Petsc-3.12.4 worked with
> Best regards,
>
> Jacob Faibussowitsch
> (Jacob Fai - booss - oh - vitch)
> Cell: (312) 694-3391
>
> > On Mar 30, 2020, at 9:18 PM, Satish Balay via petsc-users
> > wrote:
> >
> > On Mon, 30 Mar 2020, Matthew Knepley wrote:
> >
> >>
yes its free to download
And PETSc does work with Intel-MPI. It might be a separate download/install.
[so I can't say if what you have is the correct install of IntelMPI or not]
Check the builds we use for testing - for ex: config/examples/arch-ci-mswin-*.py
Satish
On Mon, 30 Mar 202
Hello,
I am trying to build Petsc-3.4.2 in my Windows-10 workstation using Cygwin,
with Intel-2018 compilers and MKL, and MPICH2. The
configuration/compilation/installation seem to finish without problem, but test
program (ex19) failed since it could not find a shared lib. Then I linked the
li
What if I use -pc_type asm? Will the communication be avoided in this special
case?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: Petsc-users
Sent: Monday, August 25, 2014 8:19 PM
Subject: Re: [petsc-users] Solve of subdomains without connections
On
Hello,
I am using PETSc ksp solver to solve a problem on a physical domain. The domain
is splitted to subdomains in such a way that there is no connections between
them, but I still have to solve the whole domain as a single linear system. My
questions are:
1. Does PETSc detect that the matri
Hello,
I am using PETSc ksp solver to solve a problem on a physical domain. The domain
is splitted to subdomains in such a way that there is no connections between
them, but I still have to solve the whole domain as a single linear system. My
questions are:
1. Does PETSc detect that the matr
Barry,
If I understand you correctly, I should number all unknowns owned by a process
contiguously before I construct the matrix, right?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: Matthew Knepley ; petsc-users
Sent: Thursday, July 31, 2014 10:46
mined before parallel
partitioning, is this (just renumbering rows) Ok?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: Matthew Knepley ; petsc-users
Sent: Wednesday, July 30, 2014 7:37 PM
Subject: Re: [petsc-users] Partition of parallel AIJ sparce matrix
On Jul 30, 2014, at 3:59 PM
Renumbering row will make an unknown not associate with its row (equation),
will this affect the solver performance? For example, will the infill pattern
change in ILU factorization?
Thanks,
Qin
From: Matthew Knepley
To: Qin Lu
Cc: Barry Smith ; petsc
, if subdomain 1 (assigned to process 1) owns unknowns 1 and 3
(associated with equation 1 and 3), subdomain 2 (assigned to process 2) owns
unknowns 2 and 4 (associated with equation 2 and 4) , how can I make each
process own consecutive rows?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc
Hello,
Does a process have to own consecutive rows of the matrix? For example, suppose
the global AIJ is 4x4, partitioned by 2 processes. Does process 1 have to own
rows 1 and 2, process 2 own rows 3 and 4? Or process1 may own rows 1 and 3, and
process 2 own row 2 and 4?
Thanks a lot for you
by 100. It
seems to me we need a prolongation matrix P to make Ay possible, that is, w1 =
x - APy. If this is the case, how can I pass P to PETSc?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Saturday, June 28, 2014 2:44 PM
Subject: Re
ction
(mapping) matrix/vector?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Saturday, June 28, 2014 12:53 PM
Subject: Re: [petsc-users] Combining preconditioners
On Jun 28, 2014, at 12:43 PM, Qin Lu wrote:
> 1. About using PCCOMP
ioner
matrices be the same as the full matrix?
2. If I use PCFIELDSPLIT, does it also need PCCOMPOSITE to define multiple
preconditioners?
Thanks a lot,
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Friday, June 27, 2014 11:41 PM
Subject: Re: [petsc-
Hello,
I would like to combine two preconditioners in PETSc linear solver. The first
preconditioner is user defined, the second one is just PETSc ILU, and the
residual is updated after application of each preconditioner (the
multiplicative form). There are two questions:
1. Shall I use PCShell
?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Thursday, May 29, 2014 5:46 PM
Subject: Re: [petsc-users] About parallel performance
For the parallel case a perfect machine would have twice the memory
bandwidth when using 2 cores as
Barry,
Thanks a lot for the info! I know now what was the problem.
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Thursday, May 29, 2014 5:46 PM
Subject: Re: [petsc-users] About parallel performance
For the parallel case a perfect
Thanks a lot! I will try that.
Qin
From: Matthew Knepley
To: Qin Lu
Cc: Barry Smith ; petsc-users
Sent: Thursday, May 29, 2014 5:45 PM
Subject: Re: [petsc-users] About parallel performance
On Thu, May 29, 2014 at 5:40 PM, Qin Lu wrote:
Is this
: Matthew Knepley
To: Qin Lu
Cc: Barry Smith ; petsc-users
Sent: Thursday, May 29, 2014 5:27 PM
Subject: Re: [petsc-users] About parallel performance
On Thu, May 29, 2014 at 5:15 PM, Qin Lu wrote:
Barry,
>
>How did you read the test results? For a machine good for parallism, should
lib
(MPICH2) that was not built correctly?
Many thanks,
Qin
- Original Message -
From: Barry Smith
To: Qin Lu ; petsc-users
Cc:
Sent: Thursday, May 29, 2014 4:54 PM
Subject: Re: [petsc-users] About parallel performance
In that PETSc version BasicVersion is actually the MPI streams
s I need a more efficient parallel preconditioner. Do you have any
suggestions for that?
Many thanks,
Qin
- Original Message -
From: Barry Smith
To: Qin Lu
Cc: "petsc-users@mcs.anl.gov"
Sent: Thursday, May 29, 2014 2:12 PM
Subject: Re: [petsc-users] About parallel performanc
Hello,
I implemented PETSc parallel linear solver in a program, the implementation is
basically the same as /src/ksp/ksp/examples/tutorials/ex2.c, i.e., I
preallocated the MatMPIAIJ, and let PETSc partition the matrix through
MatGetOwnershipRange. However, a few tests shows the parallel solver
e the fastest with PETSc's ILU for my cases)?
Thanks,
Qin
From: Barry Smith
To: Qin Lu
Cc: Xiaoye S. Li ; "petsc-users@mcs.anl.gov"
Sent: Tuesday, May 13, 2014 8:31 PM
Subject: Re: [petsc-users] ILUTP in PETSc
Works fine for me.
.
Thanks a lot,
Qin
- Original Message -
From: Barry Smith
To: Qin Lu
Cc: Xiaoye S. Li ; "petsc-users@mcs.anl.gov"
Sent: Monday, May 12, 2014 5:11 PM
Subject: Re: [petsc-users] ILUTP in PETSc
See for example:
http://www.mcs.anl.gov/petsc/petsc-current/
or
the command line options would work?
Many thanks,
Qin
From: Xiaoye S. Li
To: Barry Smith
Cc: Qin Lu ; "petsc-users@mcs.anl.gov"
Sent: Friday, May 2, 2014 3:40 PM
Subject: Re: [petsc-users] ILUTP in PETSc
The sequential SuperLU has ILUTP implementation, not in parallel
Thanks a lot for both of you!
Qin
From: Xiaoye S. Li
To: Barry Smith
Cc: Qin Lu ; "petsc-users@mcs.anl.gov"
Sent: Friday, May 2, 2014 3:40 PM
Subject: Re: [petsc-users] ILUTP in PETSc
The sequential SuperLU has ILUTP implementation, not i
Hello,
I am interested in using ILUTP preconditioner with PETSc linear solver. There
is an online doc
https://fs.hlrs.de/projects/par/par_prog_ws/pdf/petsc_nersc01_short.pdf that
mentioned it is available in PETSc with other packages (page 62-63). Is there
any instructions or examples on how t
Hello,
I need to implement a 2-stage preconditioner using PETSc linear solver:
1. The first stage uses a user-provided preconditioner routine. It seems I can
set it with PCShellSetApply.
2. The second stage uses PETSc's ILU.
Shall I just call this two preconditioners in sequence, or there is
It turns out the machine's Linux/glibc versions are too old. The configure
passed the error after I switched to a new machine.
Thanks a lot,
Qin
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Saturday, March 22, 2014 5:30 PM
Subject: Re: [
From: Satish Balay
To: Qin Lu
Cc: Barry Smith ; petsc-users
Sent: Saturday, March 22, 2014 12:09 AM
Subject: Re: [petsc-users] Building PETSc with Intel mpi
> --with-mpi-dir=/apps/compilers/intel_2013/impi/4.1.0.024/intel64
> --with-mpi-compilers=0
Does this mpi not come with mpicc
om command line in the failing
workstations since I am not allowd to install VS debuger in them.
Thanks for any info,
Qin
From: "Balay, Satish"
To: "Smith, Barry F." ; Qin Lu
Cc: petsc-users
Sent: Thursday, March 13, 2014 4:25 PM
Subje
Yes, it crashed without any printout. It always crashes at the first call to
KSPSolve. Currently I only has a release version of petsc lib although my
program has debug version.
Thanks,
Qin
- Original Message -
From: Barry Smith
To: Qin Lu
Cc: petsc-users
Sent: Thursday, March 13
I forget to mention: it crashed in Win-7 only, while it runs fine in Linux.
Qin
- Original Message -
From: Qin Lu
To: petsc-users
Cc:
Sent: Thursday, March 13, 2014 2:43 PM
Subject: [petsc-users] KSPSolve crash
PETSc team,
I have a program using PETSc linear solver (using KSPBCG
PETSc team,
I have a program using PETSc linear solver (using KSPBCG with PCILU level 0).
But with one case it crashed inside KSPSolve without any error message. I have
tested this program with many other cases successfully.
Could you debug PETSc with the linear system? I can send you the matri
Hello,
Are there any PETSc subroutines to output the matrix and right-hand-side to
files in CRS for MATLAB format? There seems to be PetscViewerASCIIOpen
subroutine, does it also output rhs? Is there any example code for this?
Many thanks,
Qin
From: Matthew Knepley
To: Qin Lu
Cc: "petsc-users@mcs.anl.gov"
Sent: Wednesday, February 26, 2014 4:46 PM
Subject: Re: [petsc-users] Eigenvalues calculations in PETSc
On Wed, Feb 26, 2014 at 2:41 PM, Qin Lu wrote:
Hello,
>
>I need to find the
Hello,
I need to find the spectrum of the a large linear system (over 100,000
unknowns). Option -ksp_compute_eigenvalues_explicitly ran out of memory since
the matrix is too big, then -ksp_compute_eigenvalues only gave a small number
of eigenvalues (around 30). My questions are:
1. Is the numb
Do you mean using "-pc_factor_mat_ordering_type wbm"? It does not seem to be
in the manual. What exactly is it? I will try it anyway.
Many thanks,
Qin
On Tuesday, February 18, 2014 10:11 AM, Jed Brown wrote:
Qin Lu writes:
> RCM did not help much for my case. This ca
information
is appreciated.
Thanks,
Qin
On Friday, February 14, 2014 1:30 PM, Qin Lu wrote:
Thanks a lot!
Qin
On Friday, February 14, 2014 11:16 AM, Jed Brown wrote:
Qin Lu writes:
> Barry and
Jed,
>
> Nice to know that! Is there a corresponding function call to set RCM?
Thanks a lot!
Qin
On Friday, February 14, 2014 11:16 AM, Jed Brown wrote:
Qin Lu writes:
> Barry and Jed,
>
> Nice to know that! Is there a corresponding function call to set RCM?
$ ./ex2 -pc_factor_mat_ordering_type rcm -help | grep -A1 mat_ordering
-pc_factor_mat_orde
Barry and Jed,
Nice to know that! Is there a corresponding function call to set RCM?
Thanks,
Qin
On Friday, February 14, 2014 10:20 AM, Jed Brown wrote:
Qin Lu writes:
> Hello,
>
> Is the RCM reordering available for ILU preconditioner in PETSc? The manual
> says RCM w
Hello,
Is the RCM reordering available for ILU preconditioner in PETSc? The manual
says RCM works with LU factorization, but it does not mention it for
preconditioners.
If not, is there any reordering method working for ILU in PETSc, or the users
have to do the work outside PETSc?
Thanks
Jed,
Thanks a lot for the useful info!
Qin
On Thursday, February 13, 2014 3:29 PM, Jed Brown wrote:
Qin Lu writes:
> It seems there is a deflated GMRES solver in PETSc (KSPDGMRES),
This uses approximate eigen-functions as deflation vectors. There are
many other ways to cho
n Thursday, February 13, 2014 1:07 PM, Jed Brown wrote:
Qin Lu writes:
> Hello,
>
> Is there a deflated Krylov solver available in PETSc?
See the discussion here:
http://lists.mcs.anl.gov/pipermail/petsc-dev/2013-March/011393.html
Let us know if you have any follow-up questions.
Hello,
Is there a deflated Krylov solver available in PETSc? If yes, what is the
corresponding solver name when calling KSPSetType? Does it work with any
existing preconditioners?
Many thanks for your info!
Regards,
Qin
--useThreads=0 resolved the problem. Many thanks!
Qin
On Friday, January 10, 2014 9:55 AM, Satish Balay wrote:
On Fri, 10 Jan 2014, Qin Lu wrote:
> Hello,
>
> Since my Linux workstation does not have internet access, I downloaded
> hypre-2.9.1a.tar.gz and used
> --do
> On Thu, Jan 9, 2014 at 3:32 PM, Qin Lu wrote:
>
> > Can I specify the what version of Hypre to download? Do I need to use
> > --with-hypre=1 and specify --with-hypre-dir? It will be nice if you may
> > point me to a sample setting of configure options using --download-hy
:
On Thu, Jan 9, 2014 at 3:05 PM, Qin Lu wrote:
Is the linker ld compitable with Intel compilers?
>
>If I use --download-hypre=1, will it download the 32-bit Hypre lib that is
>consistent with my MPI lib and my PETSc lib built with Intel compilers?
It will build it from source.
[ld] doesn't appear to like the hypre library you built.
What do you have for:
file /d/dev01/qlu/Lib/hypre-2.8.0b/LINUX_32/lib/libHYPRE.a
Why not use --download-hypre=1 ?
Satish
On Thu, 9 Jan 2014, Qin Lu wrote:
> Now it got new problem later in configure: it does not like the H
tmp/petsc-3SW45q/config.setCompilers/conftest: error while loading shared
> libraries: libirc.so: wrong ELF class: ELFCLASS64
>
> Because the -Bstatic are stripped from the link line the wrong libirc.so gets
> picked up by the linker resulting in the runtime error.
>
> I
ndows does not allow the file name start with "."
The content of the file is very simple:
-pc_type jacobi
On Wednesday, December 11, 2013 1:26 PM, Qin Lu wrote:
Thanks, Satish!
Qin
On Wednesday, December 11, 2013 12:27 PM, Satish Balay
wrote:
On Wed, 11 Dec 2013, Qin Lu
Thanks, Satish!
Qin
On Wednesday, December 11, 2013 12:27 PM, Satish Balay
wrote:
On Wed, 11 Dec 2013, Qin Lu wrote:
> Hello,
>
> PETSc can read options from .petscrc file at home directory in Linux. Can it
> do the same thing in Windows? What is the file name and wh
Hello,
PETSc can read options from .petscrc file at home directory in Linux. Can it do
the same thing in Windows? What is the file name and where the file should be
placed?
Many thanks for your help,
Qin
Hello,
I am using serial PETSc linear solver in a serial Fortran program, which uses
function CPU_TIME() to count cpu time. In Windows-7, the cpu time turns out to
be 2 to 3 times as much as elapse time. My questions are:
1. Does PETSc internally use multi-thread even though I configured it w
='-O2 -QxW' CXXOPTFLAGS='-O2 -QxW' FOPTFLAGS='-O2 -QxW'
.....
Satish
On Tue, 26 Nov 2013, Qin Lu wrote:
> Hello,
>
> I was trying to build PETSc using Intel compiler with -O2 optimization option
> in Windows-7, but somehow it was override by -O3
Hello,
I was trying to build PETSc using Intel compiler with -O2 optimization option
in Windows-7, but somehow it was override by -O3 during make. My configure
options are as follows:
./configure --configModules=PETSc.Configure
--optionsModule=PETSc.compilerOptions --with-cc="win32fe icl -O2"
via petsc configure?
I see no point in replying any further. Its a waste of time..
Satish
On Thu, 7 Nov 2013, Qin Lu wrote:
> I managed to build hypre-2.8.0b with cygwin (instead of cmake) and it worked,
> but have no idea why it created libhypre.a rather than libhypre.lib. From
> hypr
configure should not care how hypre was built, right? I tried
to rename libhypre.a to libhypre.lib (for testing purpose) but got the same
error.
Thank,
Qin
On Thursday, November 7, 2013 9:20 AM, Satish Balay wrote:
On Thu, 7 Nov 2013, Qin Lu wrote:
> Satish,
>
> I tried what you
piler option
3. specify hypre with --with-hypre-include and --with-hypre-lib options
4. send us the following [so we know whats there - and why configure is not
finding it]
ls -R /cygdrive/c/Lib/hypre-2.8.0b-win64-release
Satish
On Wed, 6 Nov 2013, Qin Lu wrote:
> Hello,
>
> I ha
tion instructions
on how to install it on windows.
Satish
On Wed, 6 Nov 2013, Qin Lu wrote:
> I tried to put the MPICH2 under a directory without space, but the Intel C++
> compiler icl could not find the mpi.h file even if I set the path for the
> compiler (-I/cygdrive/c/cygwin_cache
te:
>
> Reinstall the MPI in a location without spaces in the directory name.
>
> On Nov 5, 2013, at 9:41 AM, Qin Lu wrote:
>
> > Hello,
> > I am trying to build hypre in Windows 7 (using cygwin) since it will be
> > included in my PETSc lib. The configure opti
Hello,
I am trying to build hypre in Windows 7 (using cygwin) since it will be
included in my PETSc lib. The configure options of hypre contains directory
such as:
./configure --with-MPI-include="/cygdrive/c/Program Files/mpich2x64/include"
Somehow hypre's configure took this directory as two sep
MatSetValue() on each.
If, for some nonstandard uncommon situation one truly generates one matrix
entry at a time then it would be fine to call MatSetValue() with that one entry.
Barry
On Nov 4, 2013, at 9:01 AM, Qin Lu wrote:
> Hello,
>
> I need to set values of a sparse matrix. I
Hello,
I need to set values of a sparse matrix. Is setting coefficients row by row
using MatSetValues more efficient than setting setting coefficient one by one
using MatSetValue? Is MatSetValues implemented by looping over each entry of
the input array calling MatSetValue?
Thanks a lot for
so on. But when calling MatSetValues, each
coefficient should use GLOBAL (instead of local) row/column index (as showed in
sample code ex2.c), right?
Thanks,
Qin
On Thursday, October 31, 2013 4:07 PM, Jed Brown wrote:
Qin Lu writes:
> Jed,
>
> What about MatCreateSeqAIJWit
processors using MPI, or PETSc has any subroutines to do
this job?
Thanks,
Qin
On Thursday, October 31, 2013 3:50 PM, Jed Brown wrote:
Qin Lu writes:
> Jed, Thanks a lot for your nice suggestions. The CRS matrix has
> already been created by the program and I don't want to change
ly to MatCreateSeqAIJWithArrays or
MatCreateMPIAIJWithArrays, especially when the matrix is big?
Thanks,
Qin
On Thursday, October 31, 2013 3:07 PM, Jed Brown wrote:
Qin Lu writes:
> Hello,
>
> I have successfully installed a sequential PETSc's linear solver in a
> sequenti
Hello,
I have successfully installed a sequential PETSc's linear solver in a
sequential program. The matrix has been created in CSR format and it was passed
to MatCreateSeqAIJWithArrays (instead of using MatSetValues).
Now I want to use a parallel PETSc solver in the same sequential program,
Satish,
I just got chance to try your two suggestions and the errors are gone!
Many thanks,
Qin
On Wednesday, October 30, 2013 6:59 PM, Satish Balay wrote:
On Mon, 28 Oct 2013, Satish Balay wrote:
> >
> "/usr/bin/ar: petscvecmod.o: No such file or directory
> <
>
> Mostlikely this
- and
rerun configure && make
Satish
On Mon, 28 Oct 2013, Qin Lu wrote:
> Hi,
>
> The configuration seemed to work, then I ran "make all" but got errors such
> as "grep: Cannot open file
> '/dev/fs/C/cygdrive/c/cygwin_cache/petsc-3.4.3/include/petscv
should be /cygdrive/C/cygwin64/bin (or with some
other drive letter in between where cygwin is installed).
Chetan
> -Original Message-
> From: petsc-users-boun...@mcs.anl.gov
> [mailto:petsc-users-boun...@mcs.anl.gov] On Behalf Of Qin Lu
> Sent: Thursday, October 24, 2013 8
hu, 24 Oct 2013, Satish Balay wrote:
> On Thu, 24 Oct 2013, Qin Lu wrote:
>
> > Jed,
> >
> > As I mentioned, I did add C:\cygwin64\bin (where make.exe is) to Path,
>
> You shouldn't have to do this. Perhaps cygwin is not setup properly.
>
> Als
gested: adding --download-make in confugure, it gave the
same error.
Thanks,
Qin
On Thursday, October 24, 2013 10:36 AM, Jed Brown wrote:
Qin Lu writes:
> Hello,
>
> I am trying to build PETSc in Windows 7 with following steps:
>
> 1. Installed cygwin 64-bit with pytho
Hello,
I am trying to build PETSc in Windows 7 with following steps:
1. Installed cygwin 64-bit with python, make and other default packages under
C:\cygwin64
2. Added C:\cygwin64\bin to Windows environmental variable Path.
3. Downloaded and unzipped PETSc 3.4.2.
4. Run mintty.exe to open a cygw
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