Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/parallelScavenge/objectStartArray.cpp @ 14307:7ab52431bc9f
8020277: Young GC could be extremely slow due to assertion in ObjectStartArray::object_starts_in_range
8009462: Young GC's (ParNewGC and SerialGC) have unexpected variances.
Summary: Removed the assertion slowing down GC.
Reviewed-by: stefank, mgerdin
| author | sjohanss |
|---|---|
| date | Mon, 20 Jan 2014 12:56:18 +0100 |
| parents | de6a9e811145 |
| children | 4ca6dc0799b6 |
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| 14306:284953caf7aa | 14307:7ab52431bc9f |
|---|---|
| 137 for (jbyte* block = start_block; block <= end_block; block++) { | 137 for (jbyte* block = start_block; block <= end_block; block++) { |
| 138 if (*block != clean_block) { | 138 if (*block != clean_block) { |
| 139 return true; | 139 return true; |
| 140 } | 140 } |
| 141 } | 141 } |
| 142 // No object starts in this slice; verify this using | 142 |
| 143 // more traditional methods: Note that no object can | |
| 144 // start before the start_addr. | |
| 145 assert(end_addr == start_addr || | |
| 146 object_start(end_addr - 1) <= start_addr, | |
| 147 "Oops an object does start in this slice?"); | |
| 148 return false; | 143 return false; |
| 149 } | 144 } |