Init2

bench/performance_healpix_mask.txt

@@ -0,0 +1,4 @@
+s5 16 22.583
+s5 32 92.59
+s5 64 644. 
+s9 256 9334.

bench/time_estimate.py

@@ -0,0 +1,21 @@
+import numpy as np
+
+def compute_time(Nside_query):
+	a = np.genfromtxt("./performance_healpix_mask.txt", dtype=[("type","S3"),("Nside", "i"),("cpu","f")])
+
+	la = np.log10(a['Nside'])
+	lb = np.log10(a['cpu'])
+
+	da = (la - np.average(la))
+	db = (lb - np.average(lb))
+
+	Slope = (da*db).sum()/(da**2).sum()
+	Ofs = np.average(lb) - Slope*np.average(la)
+
+	TimeGot = 10**(np.log10(Nside_query)*Slope+Ofs)
+
+	print "Nside=%d -> Time= %lg hours" % (Nside_query, TimeGot/3600.)
+
+
+compute_time(512)
+compute_time(1024)