Added a comment about run.GOMAXPROCS
Added a comment about run.GOMAXPROCS

rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark,rexxars/sse-broadcast-benchmark