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Workaround for CUDA 12.6 #4063

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WeiqunZhang
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It appears that in CUDA 12.6 cub explicitly include nvtx3. This causes a conflict with nvtx included by AMReX_TinyProfiler.cpp and AMReX_GpuDevice.cpp. This is a workaround for the issue.

I think this is a cub bug. It's incompatible with the default #include <nvTools.h> included by nvcc.

It appears that in CUDA 12.6 cub explicitly include nvtx3. This causes a
conflict with nvtx included by AMReX_TinyProfiler.cpp and
AMReX_GpuDevice.cpp. This is a workaround for the issue.

I think this is a cub bug. It's incompatible with the default `#include
<nvTools.h>` included by nvcc.
@WeiqunZhang
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Fix it by using NVTX3 (#4064)

@WeiqunZhang WeiqunZhang closed this Aug 6, 2024
@WeiqunZhang WeiqunZhang deleted the cuda_12.6_nvtx branch August 6, 2024 02:54
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