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This page has a list of known issues for the Cray compilers and compiler environment (all versions).
OpenIFS versions: 40r1 / 38r1
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Fails in updclie with error: irregularly spaced fields |
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This error occurs at the start of the model run. It has been found to be caused by specific version of the Cray compiler, cce/8.5.8 that comes with cdt/17.03. There have been reports that older versions may also give the same error. If this occurs, we recommend recompiling the model code with a more recent version. The model has been tested successfully with cdt versions 17.09, 18.04 and 18.07. If this is not possible, then recompiling the model with lower optimization, -O1, also fixesthe fixes the problem. To reduce the optimization, edit the file make/cfg/cce-opt.cfg, edit the line that begins |
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Cray cce/8.5.8 compiler can cause failure in wave model |
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The Cray fortran compiler version cce/8.5.8 can cause OpenIFS to fail. The error is seen on the first timestep in a call to Only cce/8.5.8 has this behaviour. We recommend using a more recent version if possible. To workaround the problem, please add an additional option to the compilation flags: 1. Edit the cray compiler configuration file in make/cfg/cce-opt.cfg (and the noopt, nansC versions) 2. Find the line:
3. Replace it with:
4. Recompile. If this does not solve the problem, please contact openifs-support@ecmwf.int for assistance. |
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Cray ATP may not work |
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Older versions of Cray ATP did not work with OpenIFS. This is caused by the way IFS creates its own signal handler. To enable Cray ATP set:
in the job script to completely disable any signal trapping by the IFS signal handler code 'DrHook'. Contact openifs-support@ecmwf.int for assistance. |
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CrayPAT does not work |
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This is a result of the way in which the OpenIFS is compiled. More information on this and the resolution is described here. |
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