1 // Copyright (C) 2020 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 #ifndef ALGORITHMIMPLEMENT_H
20 #define ALGORITHMIMPLEMENT_H
22 #include "YACSlibWorkloadmanagerExport.hxx"
23 #include "WorkloadAlgorithm.hxx"
28 namespace WorkloadManager
33 class YACSLIBWLM_EXPORT DefaultAlgorithm : public WorkloadAlgorithm
36 void addTask(Task* t)override;
37 void addResource(const Resource& r)override;
38 LaunchInfo chooseTask()override;
39 void liberate(const LaunchInfo& info)override;
40 bool empty()const override;
42 // ----------------------------- PRIVATE ----------------------------- //
44 class ResourceInfoForContainer
47 ResourceInfoForContainer(const Resource& r, const ContainerType& ctype);
48 unsigned int maxContainers()const;
50 void free(unsigned int index);
51 unsigned int nbRunningContainers()const;
52 bool isContainerRunning(unsigned int index)const;
53 bool operator<(const ResourceInfoForContainer& other)const
54 { return _ctype < other._ctype;}
55 bool operator==(const ContainerType& other)const
56 { return _ctype == other;}
57 const ContainerType& type()const { return _ctype;}
60 const Resource& _resource; // same ref as ResourceLoadInfo
61 std::set<unsigned int> _runningContainers; // 0 to max possible containers on this resource
62 unsigned int _firstFreeContainer;
65 class ResourceLoadInfo
68 ResourceLoadInfo(const Resource& r);
69 bool isSupported(const ContainerType& ctype)const;
70 bool isAllocPossible(const ContainerType& ctype)const;
71 float cost(const ContainerType& ctype)const;
72 unsigned int alloc(const ContainerType& ctype);
73 void free(const ContainerType& ctype, int index);
74 bool operator<(const ResourceLoadInfo& other)const
75 { return _resource < other._resource;}
76 bool operator==(const Resource& other)const
77 { return _resource == other;}
78 const Resource& resource()const { return _resource;}
79 float COST_FOR_0_CORE_TASKS = 1.0 / 4096.0 ;
84 std::list<ResourceInfoForContainer> _ctypes;
88 std::list<ResourceLoadInfo> _resources;
89 std::list<Task*> _waitingTasks;
92 #endif // ALGORITHMIMPLEMENT_H