How can I count the number of registers in each thread?

Accelerated Computing HPC Compilers Legacy PGI Compilers
1

Hi everyone,
I find that the number of registers is different from counting and with the ‘-Mcuda=ptxinfo’, the latter number is larger. So how can I count the number of registers in each thread?

2

Hi qijiin21c,

I’m not sure what you mean by counting the number of registers. Can you please explain?

The “ptxinfo” is the diagnostic information given by the back-end device compiler which does the register allocation so should be correct.

  • Mat