OpenACC regression and development pace

Thomas Koenig tkoenig@netcologne.de
Fri Dec 20 14:34:00 GMT 2019


Hi, I just saw this:

FAIL: gfortran.dg/goacc/finalize-1.f   -O   scan-tree-dump-times gimple 
"(?n)#pragma omp target oacc_enter_exit_data 
map\\(delete:MEM\\[\\(c_char \\*\\)[^\\]]+\\] \\[len: [^\\]]+\\]\\) 
map\\(to:del_f_p \\[pointer set, len: [0-9]+\\]\\) 
map\\(alloc:del_f_p\\.data \\[pointer assign, bias: [^\\]]+\\]\\) 
finalize$" 1
FAIL: gfortran.dg/goacc/finalize-1.f   -O   scan-tree-dump-times gimple 
"(?n)#pragma omp target oacc_enter_exit_data 
map\\(force_from:MEM\\[\\(c_char \\*\\)[^\\]]+\\] \\[len: [^\\]]+\\]\\) 
map\\(to:cpo_f_p \\[pointer set, len: [0-9]+\\]\\) 
map\\(alloc:cpo_f_p\\.data \\[pointer assign, bias: [^\\]]+\\]\\) 
finalize$" 1

Regarding what is currently going on with OpenACC: I do not claim to
understand this area of the compiler, but it certainly seems that the
current development is too hasty - too many patches flying around,
too many regressions occurring.  It might be better to slow this
down somewhat, and to conduct a more throrough review process before
committing.

Regards

	Thomas



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