Not really, publication quality. Just a Sunday-morning effort to understand the ceiling on the phased-execution model. All resources like decode, #pipes, cache and branch prediction are unmodeled, assumed infinite. I'm sure anyone can improve on it, but I lost interest with disappointing results.
I dump the instruction stream for coremark out of LLI interpreter, hacked a tiny bit. To save trouble, here's one iteration of coremark:
https://drive.google.com/open?id=0B0ygb7T_Ab3kM01DQnlvQi1teG...
gunzip the data, run it through the script and count the lines out vs lines in. (I get "IPC" ~2.12.) For a bit more insight, the number on the left of each output line is how many instructions fused. You can make a histogram like:
cat tmp.out | cut -f 1 -d " " | sort -n|uniq -c
76056 1
95805 2
32931 3
4401 4
1172 5
970 6
...