Changes between Version 14 and Version 15 of AppCoprocessor

Timestamp:

Apr 1, 2008, 3:36:40 PM (16 years ago)

Author:

davea

Comment:

--

AppCoprocessor

@@ -1 +1 @@
 = Applications that use coprocessors =
-
-[[T(DesignDocument)]]
 
 This document describes BOINC's support for applications that use coprocessors such as
@@ -29 +27 @@
 {{{
 bool app_plan(SCHEDULER_REQUEST& sreq, const char* plan_class, HOST_USAGE& hu) {
-    if (strcmp(plan_class, "cuda_1.1") != 0) {
+    // clients before 6.1.11 don't understand plan_class
+    //
+    int v = sreq.core_client_major_version*10000
+        + sreq.core_client_minor_version*100
+        + sreq.core_client_release;
+    if (v < 60111) return false;
+
+    if (!strcmp(plan_class, "cuda_1.1")) {
+         // the following is for an app that uses a CUDA GPU
+        // and some CPU also, and gets 50 GFLOPS total
+        //
+        for (unsigned int i=0; i<sreq.coprocs.coprocs.size(); i++) {
+            COPROC* cp = sreq.coprocs.coprocs[i];
+            if (!strcmp(cp->name, "CUDA")) {
+                COPROC* cu = new COPROC;
+                strcpy(cu->name, cp->name);
+                cu->count = 1;
+                hu.coprocs.coprocs.push_back(cu);
+                double x = 1e9/sreq.host.p_fpops;
+                if (x > 1) x = 1;
+                hu.avg_ncpus = x;
+                hu.max_ncpus = x;
+                hu.flops = 5e11;
+                return true;
+            }
+        }
         return false;
-    }
-    for (i=0; i<sreq.coprocs.size(); i++) {
-        COPROC cp = sreq.coprocs[i];
-        if (cp.type == COPROC_CUDA) {
-            COPROC_USAGE cu;
-            strcpy(cu.name, cp.name);
-            cu.count = 1;
-            hu.coprocs.push_back(cu);
-            double x = 1e9/host.p_fpops;
-            if (x > 1) x = 1;
-            hu.avg_ncpus = x;
-            hu.max_ncpus = x;
-            hu.fpops = 5e11;
-            return true;
-        }
     }
     return false;