| 1 | package test.appProfConverter; |
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| 2 | public class AppProfileConverter { |
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| 3 | static SoftwareProfile Convert(SoftwareProfile refSWProf, |
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| 4 | HardwareProfile targetHWProf) { |
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| 5 | SoftwareProfile newProf = new SoftwareProfile(); |
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| 6 | |
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| 7 | newProf.TaskId = refSWProf.TaskId; |
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| 8 | newProf.Phases = new SoftwarePhase[refSWProf.Phases.length]; |
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| 9 | for (int i = 0; i < newProf.Phases.length; i++) { |
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| 10 | newProf.Phases[i] = ConvertPhase(refSWProf.Phases[i], targetHWProf); |
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| 11 | } |
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| 12 | |
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| 13 | return newProf; |
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| 14 | } |
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| 15 | |
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| 16 | private static SoftwarePhase ConvertPhase(SoftwarePhase refPhase, |
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| 17 | HardwareProfile targetHW) { |
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| 18 | SoftwarePhase newPhase; |
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| 19 | double lambda; |
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| 20 | double refCpuWork; // workload is constant in a phase |
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| 21 | double loadCpu; |
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| 22 | double t_cpu, t_nic, t_best; |
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| 23 | |
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| 24 | newPhase = new SoftwarePhase(refPhase); |
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| 25 | newPhase.RefNode = targetHW.ComponentId; |
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| 26 | newPhase.RefFreq = targetHW.proc.MaxClockSpeed; |
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| 27 | newPhase.RefCores = targetHW.proc.Cores; |
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| 28 | newPhase.RefDownload = (double) targetHW.nic.MaxBandwidth; |
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| 29 | newPhase.RefUpload = (double) targetHW.nic.MaxBandwidth; |
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| 30 | |
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| 31 | refCpuWork = refPhase.RefFreq * refPhase.PM_CPU_Usage |
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| 32 | * refPhase.Duration * refPhase.RefCores; |
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| 33 | |
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| 34 | // Best CPU load and time duration |
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| 35 | loadCpu = Math.min(1.0, refPhase.RefCores * refPhase.PM_CPU_Usage) |
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| 36 | * Math.min(1.0, |
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| 37 | ((double) newPhase.PM_Threads / newPhase.RefCores)); |
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| 38 | t_cpu = refCpuWork / (newPhase.RefCores * newPhase.RefFreq * loadCpu); |
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| 39 | |
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| 40 | // Best network time duration |
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| 41 | t_nic = Math.max((double) newPhase.PM_Upload / newPhase.RefUpload, |
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| 42 | (double) newPhase.PM_Download / newPhase.RefDownload); |
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| 43 | |
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| 44 | t_best = Math.max(t_cpu, t_nic); |
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| 45 | |
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| 46 | // The duration in seconds will impact the load depending on the |
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| 47 | // approximation error |
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| 48 | newPhase.Duration = (int) Math.ceil(t_best); |
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| 49 | // use t_best to debug |
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| 50 | // newPhase.PM_CPU_Usage = refCpuWork |
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| 51 | // / (newPhase.RefCores * newPhase.RefFreq * t_best); |
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| 52 | newPhase.PM_CPU_Usage = refCpuWork |
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| 53 | / (newPhase.RefCores * newPhase.RefFreq * newPhase.Duration); |
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| 54 | |
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| 55 | System.out |
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| 56 | .printf("l0:%.2f\tl1:%.2f\td0:%d\td1:%d\tc0:%d\tc1:%d\tf0:%.2f\tf1:%.2f\tt0:%d\tt1:%d\n", |
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| 57 | refPhase.PM_CPU_Usage, newPhase.PM_CPU_Usage, |
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| 58 | refPhase.Duration, newPhase.Duration, |
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| 59 | refPhase.RefCores, newPhase.RefCores, refPhase.RefFreq, |
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| 60 | newPhase.RefFreq, refPhase.PM_Threads, |
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| 61 | newPhase.PM_Threads); |
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| 62 | |
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| 63 | // double newCpuWork = newPhase.RefFreq * newPhase.PM_CPU_Usage |
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| 64 | // * newPhase.Duration * newPhase.RefCores; |
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| 65 | // if (newCpuWork != refCpuWork) { |
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| 66 | // System.out.printf("w0:%.2f\tw0:%.2f\n", refCpuWork, newCpuWork); |
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| 67 | // } |
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| 68 | |
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| 69 | newPhase.PM_Power = AppPowerEstimator.PhasePower(newPhase, targetHW); |
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| 70 | |
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| 71 | return newPhase; |
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| 72 | } |
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| 73 | } |
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