Is there any information about gpu debugging?

好 via Gdb <[email protected]>
Newsgroups gmane.comp.gdb.devel
Message-ID <[email protected]> 
Hi,
Is this the channel for raising questions? I have been very interested in gdb recently. I want to develop a set of gdb that supports GPU debugging, but I don't know where to start. Do you have any good suggestions? What is the difference between AMD's ROCGDB and NVIDIA's cuda-gdb and GDB? Is there any information?
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