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Author

anonymous

about 4 years ago

Language

C++

Compiler

gcc HEAD 11.0.1 20210331 (experimental)

Options
Warnings
Optimization
Boost 1.73.0
C++2b(GNU)
no pedantic
Raw compiler options
-O3

Author

anonymous

about 4 years ago

$ g++ prog.cc -Wall -Wextra -O2 -march=native -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=gnu++2b -O3
prog.cc: In function 'int dummy(uint32_t)':
prog.cc:73:20: warning: unused parameter 'x' [-Wunused-parameter]
   73 | int dummy(uint32_t x)
      |           ~~~~~~~~~^

simple_loop:   2.042543 sec (3001141435)
inv_nlz1:   0.233110 sec (3001141435)
inv_nlz1sft:   0.148162 sec (3001141435)
inv_nlz5rev:   0.234953 sec (3001141435)
inv_clz1:   0.173916 sec (3001141435)
Exit Code:
0