Trac January 2025

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#2364: avoid opening and closing HDF5 files multiple times during output
by Roland Haas 16 Jan '25

16 Jan '25

#2364: avoid opening and closing HDF5 files multiple times during output Reporter: Roland Haas Status: open Milestone: Version: Type: enhancement Priority: minor Component: Comment (by Roland Haas): Please review. Or close and reject the pull request. -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2364/avoid-opening-and…

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#2364: avoid opening and closing HDF5 files multiple times during output
by Roland Haas 16 Jan '25

16 Jan '25

#2364: avoid opening and closing HDF5 files multiple times during output Reporter: Roland Haas Status: open Milestone: Version: Type: enhancement Priority: minor Component: Comment (by Roland Haas): Pull request got moved to: [https://github.com/EinsteinToolkit/Carpet/pull/6](https://github.com/Einste… -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2364/avoid-opening-and…

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#2846: added PreSync support in regrid
by Roland Haas 16 Jan '25

16 Jan '25

#2846: added PreSync support in regrid Reporter: Roland Haas Status: new Milestone: Version: Type: enhancement Priority: major Component: EinsteinToolkit thorn Comment (by Roland Haas): Please review. -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2846/added-presync-sup…

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#2846: added PreSync support in regrid
by Roland Haas 16 Jan '25

16 Jan '25

#2846: added PreSync support in regrid Reporter: Roland Haas Status: new Milestone: Version: Type: enhancement Priority: major Component: EinsteinToolkit thorn During PreSync development @{557058:088051f9-5b94-4b5e-bfbe-71137030b9c1} created a pull request to set validity after a regrid operation. [https://github.com/EinsteinToolkit/Carpet/pull/8](https://github.com/Einste… This may or may not be still required, but should be reviewed and applied or closed. -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2846/added-presync-sup…

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#2837: Building the Einstein Toolkit
by Roland Haas 16 Jan '25

16 Jan '25

#2837: Building the Einstein Toolkit Reporter: Suo-Ning Wang Status: open Milestone: Version: development version Type: bug Priority: major Component: EinsteinToolkit website Comment (by Roland Haas): `libsz.so` \(but not eg `libsz.so.1`\) should also be sufficient I think. To remove PETSc and Silo, yes please remove the respective lines that contain `ExternalLibraries/Silo` and `ExternalLibraries/PETSc` \(the latter may be commented out using a `#DISABLED` . I’d remove it anyway because there is some functionality in simfactory that can enable `#DISABLED` thorns.\) -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2837/building-the-eins…

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#2844: HelloWorldCuda
by Roland Haas 16 Jan '25

16 Jan '25

#2844: HelloWorldCuda Reporter: Anthony Shoup Status: new Milestone: ET_2024_11 Version: Type: bug Priority: minor Component: EinsteinToolkit thorn Changes (by Roland Haas): status: new (was submitted) -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2844/helloworldcuda

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#2845: support (again) filesystem in std::experimental in Silo output
by Roland Haas 13 Jan '25

13 Jan '25

#2845: support (again) filesystem in std::experimental in Silo output Reporter: Roland Haas Status: open Milestone: Version: Type: enhancement Priority: major Component: EinsteinToolkit thorn Changes (by Roland Haas): status: open (was new) Comment (by Roland Haas): Please review -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2845/support-again-fil…

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#2845: support (again) filesystem in std::experimental in Silo output
by Roland Haas 13 Jan '25

13 Jan '25

#2845: support (again) filesystem in std::experimental in Silo output Reporter: Roland Haas Status: new Milestone: Version: Type: enhancement Priority: major Component: EinsteinToolkit thorn Comment (by Roland Haas): Pull request is here: [https://github.com/EinsteinToolkit/CarpetX/pull/330](https://github.com/Ein… -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2845/support-again-fil…

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#2845: support (again) filesystem in std::experimental in Silo output
by Roland Haas 13 Jan '25

13 Jan '25

#2845: support (again) filesystem in std::experimental in Silo output Reporter: Roland Haas Status: new Milestone: Version: Type: enhancement Priority: major Component: EinsteinToolkit thorn CarpetX’s Silo output \(and only it\) uses `std::filesystem`which is defined in C\+\+17 but not all compilers fully support it, RoCM on Frontier uses `std::experimental::filesystem` instead. -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2845/support-again-fil…

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#2844: HelloWorldCuda
by Anthony Shoup 09 Jan '25

09 Jan '25

#2844: HelloWorldCuda Reporter: Anthony Shoup Status: submitted Milestone: ET_2024_11 Version: Type: bug Priority: minor Component: EinsteinToolkit thorn The HelloWorldCuda thorn does not seem to work in my build of the Einstein Toolkit, ET\_2024\_11 release. The routine, HelloWorldCUDA\_evol, that launches the cuda kernel uses cctk\_lsh grid size values that are very large \(x-dir > 1x10^9\), which then tries to launch too many kernels. Below is the code: extern "C" void HelloWorldCUDA\_evol\(CCTK\_ARGUMENTS\) \{ DECLARE\_CCTK\_ARGUMENTS; ``` const int val1 = cctk_iteration; const int val2 = 3; int res = 42; // poison const dim3 blockDim(4, 4, 4); ``` // const dim3 gridDim\(\(cctk\_lsh\[0\] \+ blockDim.x - 1\) / blockDim.x, // Commented out by ALS // \(cctk\_lsh\[1\] \+ blockDim.y - 1\) / blockDim.y, // \(cctk\_lsh\[2\] \+ blockDim.z - 1\) / blockDim.z\); ``` // This code does work - ALS const dim3 gridDim((8 + blockDim.x - 1) / blockDim.x, (8 + blockDim.y - 1) / blockDim.y, (8 + blockDim.z - 1) / blockDim.z); add<<<gridDim, blockDim>>>(val1, val2, &res); cudaError_t cerr = cudaDeviceSynchronize(); // Added by ALS check_error(cerr, "Could not do cuda device synchronize"); // Added by ALS CCTK_VInfo(CCTK_THORNSTRING, "CUDA says(testing): %d + %d = %d", val1, val2, res); ``` \} -- Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2844/helloworldcuda

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Trac January 2025