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Samuel Thibault 13 年之前
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共有 1 個文件被更改,包括 3 次插入1 次删除
  1. 3 1
      doc/chapters/perf-optimization.texi

+ 3 - 1
doc/chapters/perf-optimization.texi

@@ -313,6 +313,8 @@ detailed in the next chapter. The various informations should be checked for.
   looks like (see @ref{DAG}).
   @item If only some workers are completely red (Blocked), for some reason the
   scheduler didn't assign tasks to them. Perhaps the performance model is bogus,
-  check it (see @ref{Codelet performance}).
+  check it (see @ref{Codelet performance}). Do all your codelets have a
+  performance model?  When some of them don't, the schedulers switches to a
+  greedy algorithm which thus performs bad.
 @end itemize
 @end itemize