Changes between Version 1 and Version 2 of RuntimeEstimation

Timestamp:

Apr 8, 2010, 4:13:24 PM (15 years ago)

Author:

davea

Comment:

--

RuntimeEstimation

@@ -35 +35 @@
  * for each app version, a '''pfc_scale''' which approximates the efficiency
    of the app version relative to the most efficient version.
+
 The app_plan() function now returns peak FLOPS,
 not the expected actual FLOPS.
+
+DCF is no longer used.
 
 In the process of selecting an app version for each job,
@@ -79 +82 @@
 (old estimate flops)/(new estimated flops)
 }}}
+
+== Implementation notes ==
+
+At the start of send_work(), the scheduler enumerates all host_app_version records for this host.
+At the end of the request, when host_scale_time is updated,
+we do updates or inserts as appropriate.