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Change Log / Release Log for PIConGPU

Open Beta RC5

Date: 2014-06-04

This is the 5th release candidate, a pre-beta version.

We rebuild our complete plugin and restart scheme, most of these changes are not backwards compatible and you will have to upgrade to libSplash 1.2+ for HDF5 output (this just means: you can not restart from a beta-rc4 checkpoint with this release).

HDF5 output with libSplash does not contain ghost/guard data any more. These information are just necessary for checkpoints (which are now separated from the regular output).

Changes to "Open Beta RC4"

.param file changes:

  • Added selection of optional window functions in radiationConfig.param #286
  • Added more window functions in radiationConfig.param #320
  • removed double #define __COHERENTINCOHERENTWEIGHTING__ 1 in some examples radiationConfig.param #323
  • new file: seed.param allows to vary the starting conditions of "identical" runs #353
  • Updated a huge amount of .param files to remove outdated comments #384
  • Update gasConfig.param/gasConfig.unitless and doc string in componentsConfig.param with new gasFromHdf5 profile #280

.unitless file changes:

  • update fileOutput.unitless and add new file checkpoints.unitless #387
  • update fieldSolver.unitless #314
  • Update radiationConfig.unitless: adjust to new supercell size naming #394
  • Corrected CFL criteria (to be less conservative) in gridConfig.unitless #371

New Features:

  • Radiation plugin: add optional window functions to reduce ringing effects caused by sharp boundaries #286 #323 #320
  • load gas profiles from png #280
  • restart mechanism rebuild #326 #375 #358 #387 #376 #417
  • new unified naming scheme for domain and window sizes/offsets #128 #334 #396 #403 #413 #421
  • base seed for binary idential simulations now exposed in seed.param #351 #353
  • particle kernels without "early returns" #359 #360
  • lowered memory foot print during shiftParticles #367
  • ShiftCoordinateSystem refactored #414
  • tools:
    • tbg warns about broken line continuations in tpl files #259
    • new CMake modules for: ADIOS, libSplash, PNGwriter #271 #304 #307 #308 #406
    • pic2xdmf
      • supports information tags #290 #294
      • one xdmf for grids and one for particles #318 #345
    • Vampir and Score-P support updated/added #293 #291 #399 #422
    • ParaView remote server description for Hypnos (HZDR) added #355 #397
  • plugins
    • former name: "modules" #283
    • completely refactored #287 #336 #342 #344
    • restart capabilites added (partially) #315 #326 #425
    • new 2D phase space analysis added (for 3D sims and one species at a time) #347 #364 #391 #407
    • libSplash 1.2+ upgrade (incompatible output to previous versions) #388 #402
  • libPMacc
    • new Environment class provides all singletons #254 #276 #404 #405
    • new particle traits, methods and flags #279 #306 #311 #314 #312
    • cuSTL ForEach on 1-3D data sets #335
    • cuSTL twistVectorAxes refactored #370
    • NumberOfExchanges replaced numberOfNeighbors implementation #362
    • new math functions: tan, float2int_rd (host) #374 #410
    • CT::Vector now supports ::shrink #392

Bug fixes:

  • CUDA 5.5 and 6.0 support was broken #401
  • command line argument parser messages were broken #281 #270 #309
  • avoid deadlock in computeCurrent, remove early returns #359
  • particles that move in the absorbing GUARD are now cleaned up #363
  • CFL criteria fixed (the old one was too conservative) #165 #371 #379
  • non-GPU-aware (old-stable) MPI versions could malform host-side pinned/page-locked buffers for subsequent cudaMalloc/cudaFree calls (core routines not affected) #438
  • ADIOS
    • particle output was broken #296
    • CMake build was broken #260 #268
  • libSplash
    • output performance drastically improved #297
  • libPMacc
    • GameOfLife example was broken #295
    • log compile broken for high log level #372
    • global reduce did not work for references/const #448
    • cuSTL assign was broken for big data sets #431
    • cuSTL reduce minor memory leak fixed #433
  • compile suite updated and messages escaped #301 #385
  • plugins
    • BinEnergyParticles header corrected #317 #319
    • PNG undefined buffer values fixed #339
    • PNG in 2D did not ignore invalid slides #432
  • examples
    • Kelvin-Helmholtz example box size corrected #352
    • Bunch/SingleParticleRadiationWithLaser observation angle fixed #424

Misc:

  • more generic 2 vs 3D algorithms #255
  • experimental PGI support removed #257
  • gcc 4.3 support dropped #264
  • various gcc warnings fixed #266 #284
  • CMake 3.8.12-2 warnings fixed #366
  • picongpu.profile example added for
    • Titan (ORNL) #263
    • Hypnos (HZDR) #415
  • documentation updated #275 #337 #338 #357 #409
  • wiki started: plugins, developer hints, simulation control, examples #288 #321 #328
  • particle interfaces clened up #278
  • ParticleToGrid kernels refactored #329
  • slide log is now part of the SIMULATION_STATE level #354
  • additional NGP current implementation removed #429
  • libPMacc
    • GameOfLife example documented #305
    • compile time vector refactored #349
    • shortened compile time template error messages #277
    • cuSTL inline documentation added #365
    • compile time operators and ForEach refactored #380
    • TVec removed in preference of CT::Vector #394
  • new developers added #331 #373
  • Attribution text updated and BibTex added #428

Open Beta RC4

Date: 2014-03-07

This is the 4th release candidate, a pre-beta version.

Changes to "Open Beta RC3"

.param file changes:

New Features:

  • 2D support for basic PIC cycle #212
  • hdf5 output xdmf meta description added: ParaView/VisIt support #219
  • background current (FieldJ) can be added now #245

Bug fixes:

  • beta-rc3 was broken for some clusters due to an init bug #239
  • examples/WeibelTransverse 4 GPU example was broken #221
  • smooth script was broken for 1D fields #223
  • configure non-existing path did not throw an error #229
  • compile time vector "max" was broken #224
  • cuda_memtest did throw false negatives on hypnos #231 #236
  • plugin "png" did not compile for missing freetype #248

Misc:

  • documentation updates
    • radiation post processing scripts #222
    • more meta data in hdf5 output #216
    • tbg help extended and warnings to errors #226
    • doc/PARTICIPATE.md is now GitHub's CONTRIBUTING.md #247 #252
    • slurm interactive queue one-liner added #250
    • developers updated #251
  • clean up / refactoring
    • cell_size -> cellSize #227
    • typeCast -> precisionCast #228
    • param file includes (see above for details) #234
    • DataConnector interface redesign #218 #232
    • Esirkepov implementation "paper-like" #238

Open Beta RC3

Date: 2014-02-14

This is the third release candidate, a pre-beta version.

Changes to "Open Beta RC2"

.param and .cfg file changes:

  • componentsConfig.param:
  • dimension.param: new file with simDim setting #134
    • only add this file to your example/test/config if you want to change it from the default value (3D)
  • fieldConfig.param: renamed to fieldSolver.param #131
  • fieldBackground.param: new file to add external background fields #131
  • cfg files cleaned up #153 #193

New Features:

  • background fields for E and B #131
  • write parallel hdf5 with libSplash 1.1 #141 #151 #156 #191 #196
  • new plugins
    • ADIOS output support #179 #196
    • makroParticleCounter/PerSuperCell #163
  • cuda_memtest can check mapped memory now #173
  • EnergyDensity works for 2-3D now #175
  • new type floatD_X shall be used for position types (2-3D) #184
  • libPMacc
    • new functors for multiplications and substractions #135
    • opened more interfaces to old functors #197
    • MappedMemoryBuffer added #169 #182
    • unary transformations can be performed on DataBox'es now, allowing for non-commutative operations in reduces #204

Bug fixes:

  • libPMacc
    • GridBuffer could deadlock if called uninitialized #149
    • TaskSetValue was broken for all arrays with x-size != n*256 #174
    • CUDA 6.0 runs crashed during cudaSetDeviceFlags #200
    • extern shared mem could not be used with templated types #199
  • tbg
    • clearify error message if the tpl file does not exist #130
  • HDF5Writer did not write ions any more #188
  • return type of failing Slurm runs fixed #198 #205
  • particles in-cell position fixed with cleaner algorithm #209

Misc:

  • documentation improved for
    • cuSTL #116
    • gasConfig.param describe slopes better (no syntax changes) #126
    • agreed on coding guide lines #155 #161 #140
    • example documentation started #160 #162 #176
    • taurus (slurm based HPC cluster) updates #206
  • IDE: ignore Code::Blocks files #125
  • Esirkepov performance improvement by 30% #139
  • MySimulation asserts refactored for nD #187
  • Fields.def with field forward declarations added, refactored to provide common ValueType #178
  • icc warnings in cuda_memcheck fixed #210
  • libPMacc
    • refactored math::vector to play with DataSpace #138 #147
    • addLicense script updated #167
    • MPI_CHECK writes to stderr now #168
    • TVec from/to CT::Int conversion #185
    • PositionFilter works for 2-3D now #189 #207
    • DeviceBuffer cudaPitchedPtr handling clean up #186
    • DataBoxDim1Access refactored #202

Open Beta RC2

Date: 2013-11-27

This is the second release candidate, a pre-beta version.

Changes to "Open Beta RC1"

.param file changes:

New Features:

  • A change log was introduced for master releases #93
  • new gas profile "gasFreeFormula" for user defined profiles #96
  • CMake (config) #79
    • checks for minimal required versions of dependent libraries #92
    • checks for libSplash version #85
    • update to v2.8.5+ #52
    • implicit plugin selection: enabled if found #52
    • throw more warnings #37
    • experimental support for icc 12.1 and PGI 13.6 #37
  • libPMacc
    • full rewrite of the way we build particle frames # 86
    • cuSTL: ForEach works on host 1D and 2D data now #44
    • math::pow added #54
    • compile time ForEach added #50
  • libSplash
    • dependency upgraded to beta (v1.0) release #80
    • type traits for types PIConGPU - libSplash #69
    • splash2txt update to beta interfaces #83
  • new particle to grid routines calculating the Larmor energy #68
  • dumping multiple FieldTmp to hdf5 now possible #50
  • new config for SLURM batch system (taurus) #39

Bug fixes:

  • libPMacc
    • cuSTL
      • assign was broken for deviceBuffers #103
      • lambda expressions were broken #42 #46 #100
      • icc support was broken #100 #101
      • views were broken #62
    • InheritGenerator and deselect: icc fix #101
    • VampirTrace (CUPTI) support: cudaDeviceReset added #90
    • GameOfLife example fixed #53 #55
    • warnings in __cudaKernel fixed #51
  • picongpu
    • removed all non-ascii chars from job scripts #95 #98
    • CMake
      • keep ptx code was broken #82
      • PGI: string compare broken #75
      • MPI: some libs require to load the C++ dependencies, too #64
      • removed deprecated variables #52
      • Threads: find package was missing #34
    • various libSplash bugs #78 #80 #84
    • current calculation speedup was broken #72
    • Cell2Particle functor missed to provide static methods #49
  • tools
    • compile: script uses -q now implicit for parallel (-j N) tests
    • plotDensity: update to new binary format #47
  • libraries
    • boost 1.55 work around, see trac #9392 (nvcc #391854)

Misc:

  • new reference: SC13 paper, Gordon Bell Finals #106
  • new flavoured logo for alpha
  • Compile Suite: GitHub integration #33 #35
  • dropped CUDA sm_13 support (now sm_20+ is required) #42

Open Beta RC1

Date: 2013-09-05 07:47:03 -0700

This is the first release candidate, a pre-beta version. We tagged this state since we started to support sm_20+ only.

Changes to "Open Alpha"

n/a

Open Alpha

Date: 2013-08-14 02:25:36 -0700

That's our our open alpha release. The alpha release is developer and power user release only! Users should wait for our beta release!