//默认参数使机器数量尽量少，成本分数可以通过搜索降下来
//对Pre A，不对实例排序结果反而更好
public static Solution Fit(double cpuUtilH = 0.5, double cpuUtilL = 0.78,
int vipDisk = 300, int vipMem = 12, int vipCpu = 7, bool saveSubmitCsv = false)
{
//
var sol = InitSolution.Clone();
var machines = sol.Machines;
var appInsts = sol.AppInsts;
foreach (var m in machines)
{
m.CpuUtilLimit = m.IsLargeMachine ? cpuUtilH : cpuUtilL;
}
var vips = (from inst in appInsts
where !inst.IsDeployed && (inst.R.Disk >= vipDisk ||
inst.R.Mem.Avg >= vipMem ||
inst.R.Cpu.Avg >= vipCpu)
select inst).ToList();
BinPacking.FirstFit(vips, machines, onlyIdleMachine: true);
BinPacking.FirstFit(appInsts, machines);
var msg = $"==Fit@{cpuUtilH:0.00},{cpuUtilL:0.00},{vipDisk},{vipMem},{vipCpu}== ";
if (!sol.AllAppInstDeployed)
{
var undeployed = sol.AppInstCount - sol.DeployedAppInstCount;
msg += $"undeployed: {undeployed} = " +
$" {sol.AppInstCount} - {sol.DeployedAppInstCount}\t e.g. ";
msg += sol.UndeployedAppInst[index : 0].ToString();
}
msg += $"\t{sol.ActualScore:0.00},{sol.MachineCountHasApp}";
WriteLine(msg);
if (saveSubmitCsv)
{
Solution.SaveAndJudgeApp(sol);
}
return(sol);
}
public static Solution Fit(double cpuUtilH = 0.65, double cpuUtilL = 0.65,
bool saveSubmitCsv = false)
{
var sol = DataSet.InitSolution.Clone();
var machines = sol.Machines;
var appInsts = sol.AppInsts;
foreach (var m in machines)
{
m.CpuUtilLimit = m.IsLargeMachine ? cpuUtilH : cpuUtilL;
}
var instList = HighCpuUtilAppInsts(machines,
Min(cpuUtilH, cpuUtilL));
BinPacking.FirstFit(instList, machines, forceMigrate: true);
BinPacking.FirstFit(appInsts, machines);
var msg = $"==Fit@{cpuUtilH:0.00},{cpuUtilL:0.00}== ";
if (!sol.AllAppInstDeployed)
{
var undeployed = sol.AppInstCount - sol.DeployedAppInstCount;
msg += $"undeployed: {undeployed} = " +
$" {sol.AppInstCount} - {sol.DeployedAppInstCount}\t e.g. ";
msg += sol.UndeployedAppInst[index : 0].ToString();
}
msg += $"\t{sol.ActualScore:0.00},{sol.MachineCountHasApp}";
WriteLine(msg);
if (saveSubmitCsv)
{
Solution.SaveAndJudgeApp(sol);
}
return(sol);
}
