diff --git a/checkin_notes b/checkin_notes
index 9ebcb9ccf3..ae5992bdaf 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -2647,3 +2647,11 @@ David  4 Mar 2009
     client/
         cs_scheduler.cpp
         scheduler_op.cpp
+
+David  4 Mar 2009
+    - scheduler: use simpler variables in HOST_USAGE
+
+    sched/
+        server_types.cpp,h
+        sched_send.cpp
+        sched_plan.cpp
diff --git a/sched/sched_plan.cpp b/sched/sched_plan.cpp
index 12c96a54d5..6b2ca656e4 100644
--- a/sched/sched_plan.cpp
+++ b/sched/sched_plan.cpp
@@ -138,10 +138,8 @@ int app_plan(SCHEDULER_REQUEST& sreq, char* plan_class, HOST_USAGE& hu) {
         hu.avg_ncpus = x;
         hu.max_ncpus = x;
 
-        COPROC* cu = new COPROC (cp->type);
-        cu->count = 1;
-        hu.coprocs.coprocs.push_back(cu);
-        // 
+        hu.ncudas = 1;
+
         if (config.debug_version_select) {
             log_messages.printf(MSG_NORMAL,
                 "[version] CUDA app estimated %.2f GFLOPS (clock %d count %d)\n",
diff --git a/sched/sched_send.cpp b/sched/sched_send.cpp
index 85b4ae9632..7d805aba34 100644
--- a/sched/sched_send.cpp
+++ b/sched/sched_send.cpp
@@ -161,7 +161,7 @@ BEST_APP_VERSION* get_app_version(WORKUNIT& wu) {
             // delete record, fall through, and find another version
             //
             if (g_wreq->rsc_spec_request
-                && bavp->host_usage.cuda_instances() > 0
+                && bavp->host_usage.ncudas > 0
                 && !g_wreq->need_cuda()
             ) {
                 g_wreq->best_app_versions.erase(bavi);
@@ -261,7 +261,7 @@ BEST_APP_VERSION* get_app_version(WORKUNIT& wu) {
             // for new-style requests, check that the app version is relevant
             //
             if (g_wreq->rsc_spec_request) {
-                if (host_usage.cuda_instances()) {
+                if (host_usage.ncudas) {
                     if (!g_wreq->need_cuda()) {
                         if (config.debug_version_select) {
                             log_messages.printf(MSG_NORMAL,
@@ -718,7 +718,7 @@ static inline bool hard_app(APP& app) {
 }
 
 static inline double get_estimated_delay(BEST_APP_VERSION& bav) {
-    if (bav.host_usage.cuda_instances()) {
+    if (bav.host_usage.ncudas) {
         return g_request->coproc_cuda->estimated_delay;
     } else {
         return g_request->cpu_estimated_delay;
@@ -726,7 +726,7 @@ static inline double get_estimated_delay(BEST_APP_VERSION& bav) {
 }
 
 static inline void update_estimated_delay(BEST_APP_VERSION& bav, double dt) {
-    if (bav.host_usage.cuda_instances()) {
+    if (bav.host_usage.ncudas) {
         g_request->coproc_cuda->estimated_delay += dt;
     } else {
         g_request->cpu_estimated_delay += dt;
@@ -911,7 +911,7 @@ int add_wu_to_reply(
     // add the app, app_version, and workunit to the reply,
     // but only if they aren't already there
     //
-    if (avp) {
+    if (!bavp->anonymous_platform) {
         APP_VERSION av2=*avp, *avp2=&av2;
         
         if (strlen(config.replace_download_url_by_timezone)) {
@@ -1209,10 +1209,9 @@ int add_result_to_reply(
     result.bavp = bavp;
     g_reply->insert_result(result);
     if (g_wreq->rsc_spec_request) {
-        double cuda_instances = bavp->host_usage.cuda_instances();
-        if (cuda_instances) {
+        if (bavp->host_usage.ncudas) {
             g_wreq->cuda_req_secs -= est_dur;
-            g_wreq->cuda_req_instances -= cuda_instances;
+            g_wreq->cuda_req_instances -= bavp->host_usage.ncudas;
         } else {
             g_wreq->cpu_req_secs -= est_dur;
             g_wreq->cpu_req_instances -= bavp->host_usage.avg_ncpus;
diff --git a/sched/server_types.cpp b/sched/server_types.cpp
index 70a6134cc4..1a3357c7b9 100644
--- a/sched/server_types.cpp
+++ b/sched/server_types.cpp
@@ -894,15 +894,13 @@ int APP_VERSION::write(FILE* fout) {
             bavp->host_usage.cmdline
         );
     }
-    for (i=0; i<bavp->host_usage.coprocs.coprocs.size(); i++) {
-        COPROC* cp = bavp->host_usage.coprocs.coprocs[i];
+    if (bavp->host_usage.ncudas) {
         fprintf(fout,
             "    <coproc>\n"
-            "        <type>%s</type>\n"
+            "        <type>CUDA</type>\n"
             "        <count>%d</count>\n"
             "    </coproc>\n",
-            cp->type,
-            cp->count
+            bavp->host_usage.ncudas
         );
     }
     fputs("</app_version>\n", fout);
diff --git a/sched/server_types.h b/sched/server_types.h
index d57ce4b9c1..ffdfd51aea 100644
--- a/sched/server_types.h
+++ b/sched/server_types.h
@@ -61,33 +61,27 @@ struct USER_MESSAGE {
 };
 
 struct HOST_USAGE {
-    COPROCS coprocs;
+    int ncudas;
     double avg_ncpus;
     double max_ncpus;
     double flops;
     char cmdline[256];
 
-
     HOST_USAGE() {
-        coprocs.coprocs.clear();
+        ncudas = 0;
         avg_ncpus = 1;
         max_ncpus = 1;
         flops = 0;
         strcpy(cmdline, "");
     }
     void sequential_app(double x) {
-        coprocs.coprocs.clear();
+        ncudas = 0;
         avg_ncpus = 1;
         max_ncpus = 1;
         flops = x;
         if (flops <= 0) flops = 1e9;
         strcpy(cmdline, "");
     }
-    double cuda_instances() {
-        COPROC* cp = coprocs.lookup("CUDA");
-        if (cp) return cp->count;
-        return 0;
-    }
     ~HOST_USAGE(){}
 };
 
@@ -97,6 +91,7 @@ struct BEST_APP_VERSION {
     int appid;
     APP_VERSION* avp;       // NULL if none exists
     HOST_USAGE host_usage;
+    bool anonymous_platform;    // client has app_version
 };
 
 // summary of a client's request for work, and our response to it