public override void setThrottling()
{
#if DEBUG_NETUTIL
Console.Write("\n:: cycle {0} ::",
Simulator.CurrentRound);
Console.WriteLine("cycle {0} @", Simulator.CurrentRound);
Console.WriteLine("Netutil {0}", Simulator.network._cycle_netutil);
#endif
double systemIPC = 0.0;
ulong insnsRetired = 0;
double sumMPKC = 0.0;
double sumMPKI = 0.0;
// get the MPKI value
for (int i = 0; i < Config.N; i++)
{
insnsRetired = Simulator.stats.every_insns_persrc[i].Count - num_ins_last_epoch[i];;
if (insnsRetired < 0)
{
throw new Exception("Error gathering instructions!");
}
prev_MPKI[i] = MPKI[i];
MPKI[i] = (insnsRetired == 0) ? 0 : ((double)(L1misses[i] * 1000)) / insnsRetired;
systemIPC += ((double)insnsRetired) / Config.throttle_sampling_period;
MPKC[i] = (double)(L1misses[i] * 1000) / Config.throttle_sampling_period;
#if DEBUG_NETUTIL
Console.WriteLine("MPKI: {0} MPKC: {1}", MPKI[i], MPKC[i]);
#endif
sumMPKC += MPKC[i];
sumMPKI += MPKI[i];
}
if (Config.bUseMPKC)
{
MPKC = MPKI;
sumMPKI = sumMPKC;
}
recordStats();
#if DEBUG_NETUTIL
Console.WriteLine("Sum MPKI {0} MPKC {1} Avg MPKC {2}", sumMPKI, sumMPKC, sumMPKC / Config.N);
#endif
ACTRateAdjust(systemIPC);
#if DEBUG_NETUTIL
Console.WriteLine("*****Adjusted throttle rate: {0}", Config.RR_throttle_rate);
#endif
// Clear the cluster formatoin from the last epoch
cluster_pool.removeAllClusters();
throttled_cluster.removeAllNodes();
low_intensity_cluster.removeAllNodes();
List <int> sortedList = new List <int>();
double total_mpki = 0.0;
double small_mpki = 0.0;
double current_allow = 0.0;
int total_high = 0;
for (int i = 0; i < Config.N; i++)
{
sortedList.Add(i);
total_mpki += MPKI[i];
//stats recording-see what's the total mpki composed by low/med apps
if (MPKI[i] <= 30)
{
small_mpki += MPKI[i];
}
}
//sort by mpki
if (Config.act_reverse_sort)
{
sortedList.Sort(ReverseCompareByMpki);
}
else
{
sortedList.Sort(CompareByMpki);
}
//foreach (int sortListIdx in sortedList)
// Console.WriteLine("Idx: {0} MPKI: {1}", sortListIdx, MPKI[sortListIdx]);
#if DEBUG_CLUSTER
for (int i = 0; i < Config.N; i++)
{
writeNode(sortedList[i]);
Console.WriteLine("-->MPKI:{0}", MPKI[sortedList[i]]);
}
Console.WriteLine("*****total MPKI: {0}", total_mpki);
Console.WriteLine("*****total MPKIs of apps with MPKI<30: {0}\n", small_mpki);
#endif
//find the first few apps that will be allowed to run freely without being throttled
for (int list_index = 0; list_index < Config.N; list_index++)
{
int node_id = sortedList[list_index];
#if DEBUG_CLUSTER
writeNode(node_id);
#endif
/*
* Low intensity cluster conditions:
* 1. filling enabled, then fill the low cluster up til free_total_mpki.
* 2. if filling not enabled, then apps with mpki lower than 'low_apps_mpki_thresh' will be put into the cluster.
* */
// Need to do this for the GPU
if (((Config.free_total_MPKI > 0 && (current_allow + MPKI[node_id] <= Config.free_total_MPKI) && Config.low_cluster_filling_enabled) ||
(!Config.low_cluster_filling_enabled && MPKI[node_id] <= Config.low_apps_mpki_thresh)) && (node_id != Config.gpuLoc))
{
#if DEBUG_CLUSTER
Console.WriteLine("->Low node: {0}", node_id);
#endif
low_intensity_cluster.addNode(node_id, MPKI[node_id]);
current_allow += MPKI[node_id];
Simulator.stats.low_cluster[node_id].Add();
continue;
}
else if (node_id == Config.gpuLoc || (MPKI[node_id] >= Config.cluster_MPKI_threshold && Config.always_cluster_enabled))
{
//If an application doesn't fit into one cluster, it will always be throttled
#if DEBUG_CLUSTER
Console.WriteLine("->Alway throttled node: {0}", node_id);
#endif
throttled_cluster.addNode(node_id, MPKI[node_id]);
Simulator.stats.high_cluster[node_id].Add();
total_high++;
}
else
{
#if DEBUG_CLUSTER
Console.WriteLine("->RR node: {0}", node_id);
#endif
cluster_pool.addNewNode(node_id, MPKI[node_id]);
Simulator.stats.rr_cluster[node_id].Add();
total_high++;
}
}
//randomly start a cluster to begin with instead of always the first one
cluster_pool.randClusterId();
#if DEBUG_CLUSTER
Console.WriteLine("total high: {0}", total_high);
Console.WriteLine("-->low cluster mpki: {0}", current_allow);
#endif
//STATS
Simulator.stats.allowed_sum_mpki.Add(current_allow);
Simulator.stats.total_sum_mpki.Add(total_mpki);
sortedList.Clear();
#if DEBUG_CLUSTER
cluster_pool.printClusterPool();
#endif
}
