Test
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... no change here ...
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Bench
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         Rate net2 hau1 kco1 net1 ner2 kco2 ner1
net2 103431/s   -- -43% -56% -61% -61% -65% -66%
hau1 180779/s  75%   -- -24% -32% -33% -39% -40%
kco1 237649/s 130%  31%   -- -10% -11% -20% -21%
net1 264658/s 156%  46%  11%   --  -1% -11% -12%
ner2 267892/s 159%  48%  13%   1%   -- -10% -11%
kco2 297007/s 187%  64%  25%  12%  11%   --  -2%
ner1 302190/s 192%  67%  27%  14%  13%   2%   --
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