rm -f Simpler-4F0C72C1 Simpler-4F0C72C1_pgo Simpler-4F0C72C1.profdata default.profraw
g++ -O3 -std=c++2a -march=native -pthread -fno-exceptions -fno-rtti -DNDEBUG -ffast-math -funroll-loops  -fprofile-generate code/main.cpp -o Simpler-4F0C72C1_pgo
In file included from code/evaluation.h:36,
                 from code/searcher.h:22,
                 from code/main.cpp:4:
code/transpositionTable.h:40:10: warning: ignoring packed attribute because of unpacked non-POD field ‘Flag TableEntry::flag’
   40 |     Flag flag;
      |          ^~~~
LLVM_PROFILE_FILE="default.profraw" ./Simpler-4F0C72C1_pgo bench
560111 nodes 348327 nps
llvm-profdata merge -o Simpler-4F0C72C1.profdata default.profraw
error: default.profraw: No such file or directory
make: *** [Makefile:32: all] Error 1