From bbc8ad231742f8e96eaf6560f668c42c47c91b67 Mon Sep 17 00:00:00 2001
From: Newnius <newnius.cn@gmail.com>
Date: Wed, 27 May 2020 14:20:32 +0800
Subject: [PATCH] update

---
 src/evaluator.go | 6 +++---
 src/ga.go        | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/evaluator.go b/src/evaluator.go
index c7106ed..95ac17e 100644
--- a/src/evaluator.go
+++ b/src/evaluator.go
@@ -15,7 +15,7 @@ type Evaluator struct {
 	factorRack   float64
 	factorDomain float64
 
-	factorPack float64
+	factorSpread float64
 }
 
 func (eva *Evaluator) init(nodes []NodeStatus, tasks []Task) {
@@ -30,7 +30,7 @@ func (eva *Evaluator) init(nodes []NodeStatus, tasks []Task) {
 	eva.factorDomain = 40.0
 	eva.costNetwork = 0.0
 	eva.costLoad = 0.0
-	eva.factorPack = -1.0
+	eva.factorSpread = -1.0
 }
 
 func (eva *Evaluator) add(node NodeStatus, task Task) {
@@ -109,7 +109,7 @@ func (eva *Evaluator) remove(node NodeStatus, task Task) {
 }
 
 func (eva *Evaluator) calculate() float64 {
-	return eva.costNetwork + eva.factorPack*eva.costLoad/float64(eva.totalPS+eva.totalWorker)
+	return eva.costNetwork + eva.factorSpread*eva.costLoad/float64(eva.totalPS+eva.totalWorker)
 }
 
 func evaluate(allocation Allocation) float64 {
diff --git a/src/ga.go b/src/ga.go
index f1c0e60..4240843 100644
--- a/src/ga.go
+++ b/src/ga.go
@@ -68,9 +68,9 @@ func fastBestFit(nodes []NodeStatus, tasks []Task) Allocation {
 		minCost := math.MaxFloat64
 		var best *NodeStatus
 		if task.IsPS {
-			eva.factorPack = -1.0
+			eva.factorSpread = 1.0
 		} else {
-			eva.factorPack = 1.0
+			eva.factorSpread = -1.0
 		}
 		for i, node := range nodes {
 			if _, ok := allocation.TasksOnNode[node.ClientID]; !ok {