Updating cuda code to improve performance and to work around compiler issue #14
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… PGI compiler issue when compiling for the GPU. 1) Modified implementation of Pack-Exchange-Unpack to improve performance. (M. Norman) 2) Renamed rrearth as rrearth_d to work around a (recently observed) PGI bug that that confused the locally defined rrearth with a variable in the physical constants module. (M. Norman and P. Worley)
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Changes specific to GPU. Developers certify that code changes are bit-for-bit. |
agsalin
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Sep 18, 2014
Updating cuda code to improve performance and to work around compiler issue
douglasjacobsen
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Aug 27, 2015
Update MCT to fix a Mac issue.
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apcraig
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Jul 26, 2022
…ctic/DODport01 Update pe layout for TL319_oEC60to30v3 for DOD machines
yunpengshan2014
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Dec 6, 2022
Add ZM enhancement to v3atm This branch adds the following enhancements to the ZM scheme to the NGD_v3atm branch: . Multiscale Coherent Structure Parameterization - implemented to represent the effects of organized mesoscale convective systems. . ZM convective cloud microphysics - developed from a two-moment four-class (cloud water, cloud ice, rain, and snow) convective microphysics scheme (Song and Zhang 2011, Song et al. 2012) by further representing the microphysical processes related to the fifth hydrometeor species, graupel, and the interaction between microphysics and cloud thermodynamics. The scheme is linked to aerosols through cloud ice nucleation and droplet activation parameterizations. Currently, the wet aerosol scavenging by convective clouds is not considered in the microphysics scheme since it is already considered in the aerosol module. This one-way coupling between microphysics and aerosol module enables the microphysics scheme to represent the impact of aerosols on convective clouds and avoid the double counting of the impact of convective clouds on aerosols. . ZM mass flux adjustment - developed to better couple convection and circulation. [Stealth] [BFB]
AllenHuAtmoSci
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Apr 24, 2023
AaronDonahue
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May 9, 2023
cee/15.0.0 with GPU MPI buffers can crash in a system lib like this: #4 0x00007fffe159e35b in (anonymous namespace)::do_free_with_callback(void*, void (*)(void*)) [clone .constprop.0] () from /opt/cray/pe/cce/15.0.0/cce/x86_64/lib/libtcmalloc_minimal.so.1 #5 0x00007fffe15a8f16 in tc_free () from /opt/cray/pe/cce/15.0.0/cce/x86_64/lib/libtcmalloc_minimal.so.1 #6 0x00007fffe99c2bcd in _dlerror_run () from /lib64/libdl.so.2 #7 0x00007fffe99c2481 in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2 #8 0x00007fffea7bce42 in _ad_cray_lock_init () from /opt/cray/pe/lib64/libmpi_cray.so.12 #9 0x00007fffed7eb37a in call_init.part () from /lib64/ld-linux-x86-64.so.2 #10 0x00007fffed7eb496 in _dl_init () from /lib64/ld-linux-x86-64.so.2 #11 0x00007fffed7dc58a in _dl_start_user () from /lib64/ld-linux-x86-64.so.2 #12 0x0000000000000001 in ?? () #13 0x00007fffffff42e7 in ?? () #14 0x0000000000000000 in ?? () Work around this by using cee/14.0.3.
philipwjones
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May 17, 2023
Add basic docs and build them in CI
OkayHughes
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Jun 21, 2023
…dera-path-cime-config Add CLDERA_PATH to gnu_mappy.cmake mach file
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Updating cuda_mod.F90 to improve performance and to work
around a new PGI compiler issue when compiling for the GPU.
The optimization work also eliminates a double allocation bug.
Modified implementation of Pack-Exchange-Unpack
to improve performance. (M. Norman)
Renamed rrearth as rrearth_d to work around a
(recently observed) PGI bug that that confused the
locally defined rrearth with a variable in the
physical constants module. (M. Norman and P. Worley)
(performance optimization does not change numerics;
bit-for-bit after fixing compiler and code bugs)