1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZWORKERS_HPP
  25 #define SHARE_GC_Z_ZWORKERS_HPP
  26 
  27 #include "gc/shared/workgroup.hpp"
  28 #include "memory/allocation.hpp"
  29 

  30 class ZTask;
  31 
  32 class ZWorkers {
  33 private:
  34   bool     _boost;
  35   WorkGang _workers;
  36 
  37   void run(ZTask* task, uint nworkers);
  38 
  39 public:
  40   ZWorkers();
  41 
  42   uint nparallel() const;
  43   uint nparallel_no_boost() const;
  44   uint nconcurrent() const;
  45   uint nconcurrent_no_boost() const;
  46   uint nworkers() const;
  47 
  48   void set_boost(bool boost);
  49 

   1 /*
   2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZWORKERS_HPP
  25 #define SHARE_GC_Z_ZWORKERS_HPP
  26 
  27 #include "gc/shared/workgroup.hpp"
  28 #include "memory/allocation.hpp"
  29 
  30 class ThreadClosure;
  31 class ZTask;
  32 
  33 class ZWorkers {
  34 private:
  35   bool     _boost;
  36   WorkGang _workers;
  37 
  38   void run(ZTask* task, uint nworkers);
  39 
  40 public:
  41   ZWorkers();
  42 
  43   uint nparallel() const;
  44   uint nparallel_no_boost() const;
  45   uint nconcurrent() const;
  46   uint nconcurrent_no_boost() const;
  47   uint nworkers() const;
  48 
  49   void set_boost(bool boost);
  50