I was actually suggesting that you recompile and link with the new install of PETSc. If using PETSc makefiles - you would be chaning PETSC_DIR [and perhaps PETSC_ARCH] values and rebuilding all PETSc related code.
Satish > Hi Franco, > > yes, in principle you can substitute your current PETSc build with your custom > PETSc build (with ViennaCL enabled) at link time, provided that the version > numbers match. > > Just to be clear: There is no way around recompiling PETSc, though; there's no > mechanism for dynamically loading some other shared library to enable ViennaCL > bindings in PETSc. > > Best regards, > Karli > > > On 04/29/2017 08:14 AM, Franco Milicchio wrote: > > > > > On Apr 28, 2017, at 4:46pm, Satish Balay <ba...@mcs.anl.gov > > > <mailto:ba...@mcs.anl.gov>> wrote: > > > > > > On Fri, 28 Apr 2017, Franco Milicchio wrote: > > > > > > > > > > > > Not recompiling your own project is fine. PETSc has an ABI. You just > > > > > reconfigure/recompile PETSc with > > > > > ViennaCL support. Then you can use -mat_type viennacl etc. > > > > > > > > Thanks for your answer, Matt, but I expressed myself in an ambiguous > > > > way. > > > > > > > > I cannot recompile PETSc, I can do whatever I want with my code. > > > > > > You can always install PETSc. > > > > > > If you don't have write permission to the install you are currently > > > using - you can start with a fresh tarball [of the same version], use > > > reconfigure*.py from the current install to configure - and install > > > your own copy [obviously at a different location. > > > > Thanks, Satish. > > > > As I understand, you are suggesting to just substitute PETSc at linking > > level with my ViennaCL-enabled library, and it should work “flawlessly”? > > (the milage may vary, obviously) > > > > This would be a huge gain to the project. > > > > Thanks, > > Franco > > /fm > > > > -- > > Franco Milicchio <fmilicc...@me.com <mailto:fmilicc...@me.com>> > > > > Department of Engineering > > University Roma Tre > > https://fmilicchio.bitbucket.io/ > > > >