RFR: 8076988: reevaluate trivial method policy

[Eric Caspole]

Hi Dean, I will make a new CR to revert 8145579 and do that as a 
separate change next, ok?
Eric


On 1/7/19 23:09, dean.long at oracle.com wrote:
> Eric, you should be able to revert 8145579 at the same time.
> 
> dl
> 
> On 1/7/19 2:47 PM, Eric Caspole wrote:
>> Hi everyone,
>> Could I get reviews or comments for a fix/simplification of the 
>> trivial method policy. I have an internal benchmark where a very hot 
>> "trivial" method gets compiled at level 1 and it leads to a ~9% 
>> regression compared to getting compiled with C2 level 4. Others have 
>> expressed thoughts that this policy might now not as useful as 
>> originally intended. I have run performance testing of throughput and 
>> startup time with no noticeable regressions.
>>
>> This webrev passed regular tier1 and tier 2 testing.
>> Thanks,
>> Eric
>>
>>
>> JBS:
>> https://bugs.openjdk.java.net/browse/JDK-8076988
>>
>> Webrev:
>> http://cr.openjdk.java.net/~ecaspole/JDK-8076988/01/webrev/
>