Changes between Version 17 and Version 18 of u/erica/ScalingBluestreak

Timestamp:

02/23/14 20:14:00 (11 years ago)

Author:

Erica Kaminski

Comment:

—

u/erica/ScalingBluestreak

@@ -35 +35 @@
 [[latex($ R_{32} = [(33 - 1.9)*10 + 1.9 ]min\times \frac{1 ~hr}{60 ~min} = 5.2 ~\frac{hr}{frame} $)]]
 
-To get frames/hour, take the inverse R^-1^. ''This assumes the write time will be the same at the end of the normal dt time step.''
+To get frames/hour, take the inverse R^-1^. '' Note -- this assumes the write time will be the same at the end of the normal dt time step.''
 
 [[latex($ R^{-1}_{32} = 0.19 ~\frac{frames}{hour}$)]]
@@ -47 +47 @@
 [[latex($ R^{-1}_{512} = 1.3 ~\frac{frames}{hour}$)]]
 
+Note the scaling inefficiency -- doubling the processors does not cut the run-time in half.
+
 == '''Choosing the best set of runs:''' ==