Ran on:

```
  Model Name:	MacBook Pro
  Model Identifier:	MacBookPro14,3
  Processor Name:	Intel Core i7
  Processor Speed:	3.1 GHz
  Number of Processors:	1
  Total Number of Cores:	4
  L2 Cache (per Core):	256 KB
  L3 Cache:	8 MB
  Memory:	16 GB
  System Version:	macOS 10.12.6 (16G29)
  Kernel Version:	Darwin 16.7.0
```

results:
```
=> go test -bench BenchmarkPrecompiled -benchtime 5s
BenchmarkPrecompiledEcdsa/-Gas=3000-8  	   50000	    163069 ns/op
BenchmarkPrecompiledSha256/128-Gas=108-8         	10000000	       645 ns/op
BenchmarkPrecompiledRipeMD/128-Gas=1080-8        	 5000000	      1877 ns/op
BenchmarkPrecompiledIdentity/128-Gas=27-8        	500000000	        17.3 ns/op
BenchmarkPrecompiledModexp/eip_example1-Gas=4197376-8         	  200000	     33746 ns/op
BenchmarkPrecompiledModexp/eip_example2-Gas=4459488-8         	 1000000	      7438 ns/op
BenchmarkPrecompiledBn256Add/chfast1-Gas=0-8                  	  200000	     45821 ns/op
BenchmarkPrecompiledBn256Add/chfast2-Gas=0-8                  	  200000	     48056 ns/op
BenchmarkPrecompiledBn256ScalarMul/chfast1-Gas=0-8            	   20000	    471451 ns/op
BenchmarkPrecompiledBn256ScalarMul/chfast2-Gas=0-8            	    5000	   1765534 ns/op
BenchmarkPrecompiledBn256ScalarMul/chfast3-Gas=0-8            	    5000	   1764253 ns/op
BenchmarkPrecompiledPairing/jeff1-Gas=160000-8                	     500	  18605464 ns/op
BenchmarkPrecompiledPairing/jeff2-Gas=160000-8                	     500	  18702602 ns/op
BenchmarkPrecompiledPairing/jeff3-Gas=160000-8                	     500	  18771734 ns/op
BenchmarkPrecompiledPairing/jeff4-Gas=220000-8                	     300	  23876686 ns/op
BenchmarkPrecompiledPairing/jeff5-Gas=220000-8                	     300	  23989863 ns/op
BenchmarkPrecompiledPairing/jeff6-Gas=160000-8                	     500	  18586363 ns/op
BenchmarkPrecompiledPairing/empty_data-Gas=40000-8            	500000000	        13.6 ns/op
BenchmarkPrecompiledPairing/one_point-Gas=100000-8            	     500	  12694421 ns/op
BenchmarkPrecompiledPairing/two_point_match_2-Gas=160000-8    	    1000	  10988584 ns/op
BenchmarkPrecompiledPairing/two_point_match_3-Gas=160000-8    	     500	  19651165 ns/op
BenchmarkPrecompiledPairing/two_point_match_4-Gas=160000-8    	     500	  19152084 ns/op
BenchmarkPrecompiledPairing/ten_point_match_1-Gas=640000-8    	     100	  52055717 ns/op
BenchmarkPrecompiledPairing/ten_point_match_2-Gas=640000-8    	     100	  58129981 ns/op
BenchmarkPrecompiledPairing/ten_point_match_3-Gas=160000-8    	     500	  17919238 ns/op
PASS
ok  	github.com/ethereum/go-ethereum/core/vm	242.833s
=>
```