Request for reviews (XXS): 7003130: assert(iterations<CG_BUILD_ITER_LIMIT) failed: infinite EA connection graph
vladimir.kozlov at oracle.com
Tue Dec 21 11:04:08 PST 2010
Thank you, Igor
Igor Veresov wrote:
> Looks good.
> On 12/21/10 10:51 AM, Vladimir Kozlov wrote:
>> Fixed 7003130: assert(iterations<CG_BUILD_ITER_LIMIT) failed: infinite
>> EA connection graph
>> It seems, 10 for CG_BUILD_ITER_LIMIT is small.
>> I rerun current VM with jvm2008 and observed 8 iterations.
>> So a case with 10 may be not as rare as I thought.
>> I tried to collect statistic on the correlation
>> of this number with total number of nodes and number
>> of particular idead nodes (addp,load,store,call) but
>> I did not find any correlation. It seems, it depends
>> more on the order of nodes on worklist than on number
>> of nodes.
>> Bumping CG_BUILD_ITER_LIMIT to 20.
>> Note: in product VM we recompile a method without EA
>> so it is not a critical problem.
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