From d79ca6a9f29de8d8a2c55475a751eb2c35c4c119 Mon Sep 17 00:00:00 2001
From: David Anderson <davea@ssl.berkeley.edu>
Date: Tue, 10 Aug 2010 22:17:59 +0000
Subject: [PATCH] - scheduler: add <primary_platform_only> config option:    
 send only 64-bit app versions to 64-bit hosts     (the default is to send
 whatever app version is fastest)

svn path=/trunk/boinc/; revision=22183
---
 checkin_notes           |  9 +++++++++
 sched/sched_config.cpp  |  1 +
 sched/sched_config.h    | 10 ++++++----
 sched/sched_version.cpp |  1 +
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/checkin_notes b/checkin_notes
index 98b6786465..165f405949 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -5859,3 +5859,12 @@ David  10 Aug 2010
 
     html/user/
         host_app_versions.php
+
+David  10 Aug 2010
+    - scheduler: add <primary_platform_only> config option:
+        send only 64-bit app versions to 64-bit hosts 
+        (the default is to send whatever app version is fastest)
+
+    sched/
+        sched_config.cpp,h
+        sched_version.cpp
diff --git a/sched/sched_config.cpp b/sched/sched_config.cpp
index 9f5b5228e3..41c25650d3 100644
--- a/sched/sched_config.cpp
+++ b/sched/sched_config.cpp
@@ -258,6 +258,7 @@ int SCHED_CONFIG::parse(FILE* f) {
         if (xp.parse_str(tag, "symstore", symstore, sizeof(symstore))) continue;
 
         if (xp.parse_bool(tag, "workload_sim", workload_sim)) continue;
+        if (xp.parse_bool(tag, "primary_platform_only", primary_platform_only)) continue;
 
         //////////// SCHEDULER LOG FLAGS /////////
 
diff --git a/sched/sched_config.h b/sched/sched_config.h
index c7b38010fd..a7560f66de 100644
--- a/sched/sched_config.h
+++ b/sched/sched_config.h
@@ -114,10 +114,6 @@ struct SCHED_CONFIG {
     bool matchmaker;
     int max_ncpus;
     JOB_LIMITS max_jobs_in_progress;
-#if 0
-    int max_wus_in_progress;
-    int max_wus_in_progress_gpu;
-#endif
     int max_wus_to_send;            // max results per RPC is this * mult
     int min_core_client_version;
     int min_core_client_version_announced;
@@ -150,6 +146,12 @@ struct SCHED_CONFIG {
     char symstore[256];
     bool workload_sim;
         // Do workload simulation in deciding whether to send a result
+    bool primary_platform_only;
+        // use app versions only for the client's primary platform
+        // e.g. send only 64-bit versions to 64-bit clients.
+        // Do this only if you have 64-bit versions for all platforms,
+        // and you're sure that your 64-bit versions are
+        // always faster than the corresponding 32-bit versions
 
     // scheduler log flags
     //
diff --git a/sched/sched_version.cpp b/sched/sched_version.cpp
index 9f4bd63177..1225282e41 100644
--- a/sched/sched_version.cpp
+++ b/sched/sched_version.cpp
@@ -509,6 +509,7 @@ BEST_APP_VERSION* get_app_version(
     bavp->avp = NULL;
     bool no_version_for_platform = true;
     for (i=0; i<g_request->platforms.list.size(); i++) {
+        if (config.primary_platform_only && i>0) break;
         PLATFORM* p = g_request->platforms.list[i];
         for (j=0; j<ssp->napp_versions; j++) {
             HOST_USAGE host_usage;