From knarf@cct.lsu.edu Thu Nov 8 10:50:56 2012 From: knarf@cct.lsu.edu To: commits@lists.einsteintoolkit.org Subject: [Commits] [svn:einsteintoolkit] www/about/releases/ (Rev. 909) Date: Thu, 08 Nov 2012 16:50:56 +0000 Message-ID: <20121108165056.AC75B2C5CE2@mail.einsteintoolkit.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============4407624845527842795==" --===============4407624845527842795== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable User: knarf Date: 2012/11/08 10:50 AM Added: /about/releases/ ET_2012_11_announcement.php, ET_2012_11_announcement.txt Log: release announcement files File Changes: Directory: /about/releases/ =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D File [added]: ET_2012_11_announcement.php Delta lines: +200 -0 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- about/releases/ET_2012_11_announcement.php (rev 0) +++ about/releases/ET_2012_11_announcement.php 2012-11-08 16:50:56 UTC (rev 9= 09) @@ -0,0 +1,200 @@ + + +

We are pleased to announce the sixth release (code name +"=C3=83= =C2=98rsted") of the +Einstein Toolkit, an open, community developed software infrastructure for +relativistic astrophysics. This release includes various improvements to the +MHD handling within GRHydro, and improvements to the Cactus flesh. In additi= on, +bug fixes accumulated since the previous release in May 2012 have been +included.

+ +

The Einstein Toolkit is a collection of software components and tools for +simulating and analyzing general relativistic astrophysical systems that bui= lds +on numerous software efforts in the numerical relativity community including +CactusEinstein, the Carpet AMR infrastructure and the relativistic +hydrodynamics code GRHydro (an updated and extended version of the public +release of the Whisky code). The Cactus Framework is used as the underlying +computational infrastructure providing large-scale parallelization, general +computational components, and a model for collaborative, portable code +development. The toolkit includes modules to build complete codes for +simulating black hole spacetimes as well as systems governed by relativistic +hydrodynamics.

+ +

The Einstein Toolkit uses a distributed software model and its different +modules are developed, distributed, and supported either by the core team of +Einstein Toolkit Maintainers, or by individual groups. Where modules are +provided by external groups, the Einstein Toolkit Maintainers provide quality +control for modules for inclusion in the toolkit and help coordinate support. +The Einstein Toolkit Maintainers currently involve postdocs and faculty from +six different institutions, and host weekly meetings that are open for anyone +to join in.

+ +

Guiding principles for the design and implementation of the toolkit inclu= de: +open, community-driven software development; well thought out and stable +interfaces; separation of physics software from computational science +infrastructure; provision of complete working production code; training and +education for a new generation of researchers.

+ +

For more information about using or contributing to the Einstein Toolkit,= or to +join the Einstein Toolkit Consortium, please visit our web pages at +<http://einsteintoolkit.org>= ;.

+ +

The Einstein Toolkit is primarily supported by NSF +1212401/1212426/1212433/1212460, 0903973/0903782/0904015 (CIGR), and also by +0905046/0941653 (PetaCactus) and 0710874 (LONI Grid).

+ +

The Einstein Toolkit contain over 170 regression test cases. On a large +portion of the tested machines, all of these testsuites pass, using both +MPI and OpenMP parallelization.

+ +

The changes between this and the previous release include:

+ +

+ +The following changes lead to potential different numerical results or the n= eed to modify optionlists: + + +

+ + +

+ +

To upgrade from the previous release, use GetComponents with the new thor= nlist to check out the new version. Due to the change of Carpet repository ty= pe, using GetComponents to upgrade a Lovelace checkout is unlikely to work. + +

See the Download pag= e on the Einstein Toolkit website for download instructions.

+ +

+ + + +

+ + + +

All repositories participating in this release carry a branch ET_2012_11 +marking this release. These release branches will be updated if severe +errors are found.

+ +

The "=C3=83=C2=98rsted" Release Team on behalf of the Einstein Toolkit Co= nsortium (2012-11-08)

+ +

+   Eloisa Bentivegna
+   Tanja Bode
+   Peter Diener
+   Roland Haas
+   Ian Hinder
+   Frank L=C3=83=C2=B6ffler
+   Bruno Mundim
+   Christian D. Ott
+   Erik Schnetter
+

+ +

November 8, 2012

+ + File [added]: ET_2012_11_announcement.txt Delta lines: +183 -0 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- about/releases/ET_2012_11_announcement.txt (rev 0) +++ about/releases/ET_2012_11_announcement.txt 2012-11-08 16:50:56 UTC (rev 9= 09) @@ -0,0 +1,183 @@ +We are pleased to announce the sixth release (code name "=C3=83=C2=98rsted")= of the +Einstein Toolkit, an open, community developed software infrastructure for +relativistic astrophysics. This release includes various improvements to the +MHD handling within GRHydro, and improvements to the Cactus flesh. In additi= on, +bug fixes accumulated since the previous release in May 2012 have been +included. + +The Einstein Toolkit is a collection of software components and tools for +simulating and analyzing general relativistic astrophysical systems that bui= lds +on numerous software efforts in the numerical relativity community including +CactusEinstein, the Carpet AMR infrastructure and the relativistic +hydrodynamics code GRHydro (an updated and extended version of the public +release of the Whisky code). The Cactus Framework is used as the underlying +computational infrastructure providing large-scale parallelization, general +computational components, and a model for collaborative, portable code +development. The toolkit includes modules to build complete codes for +simulating black hole spacetimes as well as systems governed by relativistic +hydrodynamics. + +The Einstein Toolkit uses a distributed software model and its different +modules are developed, distributed, and supported either by the core team of +Einstein Toolkit Maintainers, or by individual groups. Where modules are +provided by external groups, the Einstein Toolkit Maintainers provide quality +control for modules for inclusion in the toolkit and help coordinate support. +The Einstein Toolkit Maintainers currently involve postdocs and faculty from +six different institutions, and host weekly meetings that are open for anyone +to join in. + +Guiding principles for the design and implementation of the toolkit include: +open, community-driven software development; well thought out and stable +interfaces; separation of physics software from computational science +infrastructure; provision of complete working production code; training and +education for a new generation of researchers. + +For more information about using or contributing to the Einstein Toolkit, or= to +join the Einstein Toolkit Consortium, please visit our web pages at +. + +The Einstein Toolkit is primarily supported by NSF +1212401/1212426/1212433/1212460, 0903973/0903782/0904015 (CIGR), and also by +0905046/0941653 (PetaCactus) and 0710874 (LONI Grid). + +The Einstein Toolkit contain over 170 regression test cases. On a large +portion of the tested machines, all of these testsuites pass, using both +MPI and OpenMP parallelization. + +The changes between this and the previous release include: + +=3D=3D=3D Compatibility =3D=3D=3D + +The following changes lead to potential different numerical results or the n= eed to modify optionlists: + +* Cactus: Move MPI support from flesh to a thorn; use new MPI_DIR variable t= o control use of MPI (see below) +* McLachlan: Correct some errors in CCZ4, in particular the GammaShift param= eter +* McLachlan: Change the default value of apply_dissipation to "never". + +=3D=3D=3D Changes since last release =3D=3D=3D + +* GetComponents: +** anonymous checkout is now used by default. Use --no-anonymous for authent= icated checkouts +** no longer use "shallow git clones" by default +* simfactory +** updates of various machine configurations +** Replace large files by hard links during cleanup +** Basic configuration file for Ubuntu, Debian and Fedora operating systems. +* utils: syntax highlight for vim and emacs +* Cactus flesh: +** grid functions may be padded, i.e. the driver may allocate more grid poin= ts than requested. The allocated size of grid functions can be accessed using= cctk_ash. Note however, that this can be different from cctk_lsh. The latter= is that part (size) of cctk_ash that is used within a simulation, i.e. that = was set as simulation size via parameters. This is necessary for vectorizatio= n where the size of arrays needs to be a multiple of some number, but the sim= ulation domain might not be. There is no padding by default. +** correctly detect circular schedule items +** replace CCTK_RESTRICT by restrict, which is now defined by the flesh +** Change per thorn -DTHORN_IS_xxx to a per thorn -I bindings/include/xxx +** Correct error in determining dependencies +** have -reconfig target execute -cleandeps after reconfiguration +** add parameters to reverse un-enforced Cactus schedule ordering +** Move MPI support from flesh to a thorn +** Support various new Darwin minor versions +** increase default value of RELTOL to 1e-12 +** Enforce that arrangement names are legal C identifiers +** Update Fortran API for CCTK_LOOP macros +** Add autoconf check whether C99 is supported (now required) +** New option -P (--exit-after-param-check) to exit after param check +** allow ${parfile} in parameter files to allow ${parfile}/subdir +* Carpet +** Now lives in git again +** A parameter CarpetLib::interpolate_from_buffer_zones was introduced which= , in order to get the correct behaviour (not to use the buffer zones for inte= rpolations), should be set to "no". However, since this changes the way thing= s had been done in the past and this change isn't well tested yet, the defaul= t is still "yes" (as like before the parameter was introduced). The default w= ill very likely be changed for the next Einstein Toolkit release, after more = testing. +** Added "balanced" domain decomposition +** Update setting CPU affinity +** change defaults of periodic_[xyz] to "yes" to match PUGH +** CarpetIOHDF5: add option checkpoint_every_divisor +** CarpetIOHDF5: teach the checkpointer to write index files +** CarpetIOHDF5: add support for index files to file reader +** LoopControl: Change printstats default to "no" +** CarpetInterp2: New ENO2 interpolator. +** Support more than one hierarchy of timers +** Add timers for refinement levels +** CarpetLib: Support higher-then 2nd order restriction operator for cell-ce= ntered meshes for Langrange prolongated grid functions. +* EinsteinExact: New arrangement, to eventually replace the Exact thorn. The= thorns in this arrangement are generated by Kranc +* McLachlan +** Correct some errors in CCZ4, in particular the GammaShift parameter +** Change the default value of apply_dissipation to "never". +* ExternalLibraries: MPI is now treated like any other library on which fles= h and thorns may depend, such as e.g. the GSL. It is thus configured via thor= n ExternalLibraries/MPI, and not via the flesh any more. In particular, the o= ption "MPI =3D ..." does not work any more and must not be used; instead, use= e.g. "MPI_DIR =3D " to point to an existing installation. You may also= say "MPI_DIR =3D BUILD" to have Cactus build OpenMPI automatically, which is= a convenient way of using MPI on a system where it may not be installed. +* LocalInterp: The interpolation loop uses OpenMP +* MoL: add multirate capabilities and three new multirate rk schemes +* SphericalSurface: make maxnphi and maxntheta parameters steerable +* NaNChecker: Add options to use restriction mask to ignore unused points, o= utput more information about the failed points, use OpenMP during NaN check +* Multipole: Implement Driscoll&Healy integration +* HydroBase: schedule hydrobase_InitExcisionmask global-early loop-local +* TmunuBase: support_old_CalcTmunu_mechanism is now deprecated and is likely= to be removed soon +* EOS_Omni: make more parameters steerable, add option read_table_on_single_= process to have a named processor read the full table and MPI_Bcast it to the= other processors +* GRHydro +** C2P: resort to bisection if Newton-Raphson fails. This is only activated = if user requested this +** introduce parameters GRHydro_Y_e_min and GRHydro_Y_e_max to fix issues wi= th EOS tables that don't extend sufficiently far +** Fixes to atmosphere mask and the way we sync +** various fixes to ePPM +** Option to use the slow sector of multirate RK methods +** fixed issues with hot EOS treatment +** Option to reconstruct W*vel instead of vel +** use an early atmosphere reset to ensure past timelevels are initialized c= orrectly +** various MHD fixes +* Exact: openmp fixes +* GRHydro_InitData: new poloidal magnetic field routine, Added option to smo= oth metric inside horizon, Alfven wave test +* SummationByParts: improve OpenMP parallelization +* PITTNull*: respect Cactus' IO::truncate parameter +* AEIThorns/Trigger now part of the Einstein Toolkit + +External libraries: +* MPI: new - use this instead of the flesh mechanism (see above) +* BLAS: update to 3.4.2 +* FFTW3: update to 3.3.2 +* HDF5: will likely not build fortran and C++ api for next release by defaul= t (but still does now) +* LAPACK: update to 3.4.2 +* LORENE: don't use OpenMP unless it's enabled within Cactus +* OpenSSL: improve search for existing library +* zlib: update to 1.2.7 +* hwloc: new thorn for libhwloc + +=3D=3D=3D How to upgrade from Lovelace (ET_2012_05) =3D=3D=3D + +To upgrade from the previous release, use GetComponents with the new thornli= st to check out the new version. Due to the change of Carpet repository type,= using GetComponents to upgrade a Lovelace checkout is unlikely to work. + +See the [http://einsteintoolkit.org/download/ Download] page on the Einstein= Toolkit website for download instructions. + +=3D=3D=3D Remaining issues with this release =3D=3D=3D + +* Certain machines need to be configured specially in Simfactory because the= remote directories cannot be determined automatically just from the username= . See the Machine notes below. + +* CarpetIOHDF5: When the new parameter CarpetIOHDF5::output_symmetry_points = is set to "yes", then symmetry points are not actually output if CarpetIOHDF5= ::output_buffer_points has been set to "no". + +* Recovering with Carpet: The maximum number of timelevels that can be recov= ered is Carpet::prolongation_order_time+1. This is usually the case, but it i= s possible to write parameter files e.g. with prolongation_order_time=3D1 tha= t use 3 timelevels. This bug manifests in an assert() failure when recovering= from checkpoints. The work-around is to either increase Carpet::prolongation= _order_time or decrease the number of timelevels for the grid function in que= stion accordingly. + +=3D=3D=3D Machine notes =3D=3D=3D + +=3D=3D=3D=3D Kraken =3D=3D=3D=3D +defs.local.ini needs to have sourcebasedir =3D $HOME configured for this mac= hine. You need to determine $HOME by logging in to the machine. + +=3D=3D=3D=3D LoneStar and Ranger =3D=3D=3D=3D +defs.local.ini needs to have sourcebasedir =3D $WORK and basedir =3D $SCRATC= H/simulations configured for this machine. You need to determine $WORK and $= SCRATCH by logging in to the machine. + +=3D=3D=3D=3D Pandora =3D=3D=3D=3D +The LSU system pandora has at the time of writing not only severe problems o= f compiling Cactus (can crash the filesystem), but in part due to this also o= utstanding are some failing testsuite results. Please contact Peter Diener at= CCT (LSU) before trying to use this machine. + +All repositories participating in this release carry a branch ET_2012_11 +marking this release. These release branches will be updated if severe +errors are found. + +For more detailed information about the "=C3=83=C2=98rsted" release please r= ead +the long release announcement on the Einstein Toolkit web pages: +http://einsteintoolkit.org/about/releases/ET_2012_11_announcement.php. + +The "=C3=83=C2=98rsted" Release Team on behalf of the Einstein Toolkit Conso= rtium (2012-11-08)=20 + +Eloisa Bentivegna +Tanja Bode +Peter Diener +Roland Haas +Ian Hinder +Frank L=C3=83=C2=B6ffler +Bruno Mundim +Christian D. Ott +Erik Schnetter + +November 8, 2012 + --===============4407624845527842795==--