$ cargo bench --bench all fib_short
[√] fib_short (10ms)
├ Instructions              1745
├ L1 hits                   2381
├ L2/L3 hits                   0
├ RAM accesses                 0
└ Est. cycles               2381

$ export CACHEGRIND_WRAPPER="$CACHEGRIND_WRAPPER:--profile=comparison"

            
$ cargo bench --bench all fib_short
# after some changes...

            
[√] fib_short (10ms)
├ Instructions              1739           -6 (-0.34%)
├ L1 hits                   2390           +9 (+0.38%)
├ L2/L3 hits                   3           +3 (+inf%)
├ RAM accesses                 0
└ Est. cycles               2405          +24 (+1.01%)


          

        
      
    
    
      HTML embedding not supported.
      Consult term-transcript docs for details.