map.py

"""
Each 'import' statement demarcates a separate file
"""

# map.py
import time
start = time.time()
print("\n(Map) multiplying 60 million elements by 2")
dbls=map(lambda n: 2*n, range(60000000))
print("(Reduce) sum: %d" % sum(dbls))
end = time.time()
print("Total MapReduce time: %f" % (end-start))

# gen_map.py
import time
start = time.time()
print("\n(Map) multiplying 60 million elements by 2")
dbls=[2*n for n in range(60000000)]
print("(Reduce) sum: %d" % sum(dbls))
end = time.time()
print("Total MapReduce time: %f" % (end-start))

# numpy_map.py
import numpy as np
import time
start = time.time()
print("\n(Map) multiplying 60 million elements by 2")
dbls=np.arange(60000000)*2
print("(Reduce) sum: %d" % sum(dbls))
end = time.time()
print("Total MapReduce time: %f" % (end-start))

# pandas_map.py
import pandas as pd
import time
start = time.time()
print("\n(Map) multiplying 60 million elements by 2")
dbls=pd.Series(range(60000000))*2
print("(Reduce) sum: %d" % dbls.sum())
end = time.time()
print("Total MapReduce time: %f" % (end-start))