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GravityJump.py
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GravityJump.py
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import random
NUM_TASKS = 54
def getComms():
out = []
with open("comms.txt", "r") as f:
lines = f.readlines()
for l in lines:
l = l.strip().split(" ")
out.append((int(l[0]), int(l[1]), float(l[2])))
return out
def getTasks():
out = []
with open("tasks.txt", "r") as f:
lines = f.readlines()
for l in lines:
l = l.strip()
out.append(float(l[0]))
return out
## CPU load repels eachother
## Link Load Attracts
## Get Center of gravity of the grid and repell from that
## Direction/angle of repell is based on the attraction of the links
## Should cause heavy load tasks to be split apart and heavy link tasks to attract
def get_load_cog(mapping_in,loads):
x = 0
y = 0
mass = 0
for i in range(len(loads)):
x += (mapping_in[i]%mapping_in["meshX"])*loads[i]
y += int(mapping_in/mapping_in["meshX"])*loads[i]
mass += loads[i]
return x/mass, y/mass
def get_link_cog(mapping_in,id,links):
## links[index] = (sender,reciever,load)
x_mass = 0
y_mass = 0
total_mass = 0
total_link = 0
for i in links:
if(i[0]==id or i[1] == id):
xs = mapping_in[i[0]]%mapping_in["meshX"]
ys = mapping_in[i[0]]/mapping_in["meshX"]
xt = mapping_in[i[1]]%mapping_in["meshX"]
yt = mapping_in[i[1]]/mapping_in["meshX"]
## Run x_y routing
x = xs
y = ys
##Traverse x first
while x != xt:
if(xt-x>0):## East bound
x_mass += x*i[2]
total_mass+= i[2]
x += 1
elif(xt-x<0):## West Bound
x_mass += x*i[2]
total_mass+= i[2]
x -= 1
else: ## finish x traverse
break
while y != yt:
if(yt-y>0):## South bound
y_mass += y*i[2]
total_mass+= i[2]
y += 1
elif(yt-y<0):## West Bound
y_mass += y*i[2]
total_mass+= i[2]
y -= 1
else: ## finish y traverse
break
total_link += i[2]
if total_link == 0:
return mapping_in[i[1]]%mapping_in["meshX"], mapping_in[i[1]]/mapping_in["meshX"], 0
else:
return x_mass/total_mass,y_mass/total_mass,total_link
## Apply a repel force to the task given the load. Apply a attraction force to the load given the link
## With the given vector plot a line
##
def get_jump_location(mapping_in,id,loads,links,prob):
x,y = mapping_in[id]%mapping_in["meshX"], mapping_in[id]/mapping_in["meshX"]
x_link, y_link, total_link = get_link_cog(mapping_in,id,links)
x_load, y_load = get_load_cog(mapping_in,loads)
xv = ((x-x_load)*loads[id]+(x_link-x)*total_link)/(loads[id]+total_link)
yv = ((y-y_load)*loads[id]+(y_link-y)*total_link)/(loads[id]+total_link)
## Chance of moving
if random.random()<=prob:
if(xv > yv):
if(xv<0):
if(x!=0):
x -= 1
else:
pass
else:
if(x!=mapping_in["meshX"]-1):
x += 1
else:
pass
else:
if(yv<0):
if(y!=0):
y -= 1
else:
pass
else:
if(y!=mapping_in["meshY"]-1):
y += 1
else:
pass
return x,y
def gravityJump(map, t):
id = random.randint(0, NUM_TASKS-1)
loads = getTasks()
links = getComms()
prob = 100/t
x,y = get_jump_location(map, id, loads, links, prob)
map[id] = y*map["meshx"]+x
return map