linker timings

bfd

0.63 4.02
0.64 3.98
0.62 3.93
0.57 3.94
0.63 3.90
0.58 3.88
0.62 3.87
0.68 4.09
0.62 4.09
0.61 4.09

gold

0.45 2.74
0.48 2.71
0.47 2.48
0.45 2.56
0.46 2.48
0.54 3.00
0.47 2.62
0.53 3.10
0.53 2.82
0.52 2.77
0.53 2.84

test.sh

# Using Cabal/Cabal's Setup.hs as an example
ghc -O Setup.hs

for i in `seq 10`; do
  rm Setup
  command time -o gold -a -f '%S %U' ghc -O -optl-fuse-ld=gold Setup.hs
  rm Setup
  command time -o bfd -a -f '%S %U' ghc -O -optl-fuse-ld=bfd Setup.hs
done