I think I've found the reason. It's because, when allocation prefetch is not enabled, the ZEROING_SIZE was set to be 256byte. This was a change made in the allocation prefetch patch H5146. I will change it back to 2KB.
Thanks, xiaofeng On Jan 3, 2008 8:07 AM, Xiao-Feng Li <[EMAIL PROTECTED]> wrote: > Hi, in my testing yesterday, I found gc_alloc_fast() takes the major > GC time. It looks like the allocation helper was not correctly > working. Could JIT people please help to have a check? I used -server > option. > > Thanks, > xiaofeng > > -- > http://xiao-feng.blogspot.com > -- http://xiao-feng.blogspot.com
