diff --git a/checkin_notes b/checkin_notes
index 3c20bc70b2..aa5b633cd9 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -3233,3 +3233,10 @@ Charlie  28 Apr 2010
     clientgui/
         DlgEventLog.cpp
         DlgEventLogListCtrl.cpp
+
+David  28 Apr 2010
+    - client: network bandwidth total was counting 1 day too many
+    - client simulator: start GPU support
+
+    client/
+        net_stats.cpp
diff --git a/client/makefile_sim b/client/makefile_sim
index 5c89dd0fba..4ef7140cfe 100644
--- a/client/makefile_sim
+++ b/client/makefile_sim
@@ -28,5 +28,5 @@ OBJS = \
 
 all: sim
 
-sim: $(OBJS)
+sim: $(OBJS) sim.h
 	$(CXX) $(CXXFLAGS) $(OBJS) -o sim -ldl
diff --git a/client/net_stats.cpp b/client/net_stats.cpp
index 972f7e8e0a..ff90b58f98 100644
--- a/client/net_stats.cpp
+++ b/client/net_stats.cpp
@@ -378,7 +378,7 @@ void DAILY_XFER_HISTORY::totals(int ndays, double& up, double& down) {
     up = down = 0;
     for (unsigned int i=0; i<daily_xfers.size(); i++) {
         DAILY_XFER& dx = daily_xfers[i];
-        if (dx.when < d) break;
+        if (dx.when <= d) break;
         up += dx.up;
         down += dx.down;
     }
diff --git a/client/sim.cpp b/client/sim.cpp
index e2f673bb3f..3728f53d58 100644
--- a/client/sim.cpp
+++ b/client/sim.cpp
@@ -557,6 +557,49 @@ char* colors[] = {
 
 static int outfile_num=0;
 
+bool uses_coproc(RESULT* rp, COPROC* cp) {
+}
+
+bool using_instance(RESULT*, int) {
+}
+
+void gpu_header() {
+    for (unsigned int i=0; i<gstate.host_info.coprocs.coprocs.size(); i++) {
+        COPROC* cp = gstate.host_info.coprocs.coprocs[i];
+        for (int j=0; j<cp->count; j++) {
+            fprintf(gstate.html_out, "<th>%s %d</th>", cp->type, j);
+        }
+    }
+}
+void gpu_off() {
+    for (unsigned int i=0; i<gstate.host_info.coprocs.coprocs.size(); i++) {
+        COPROC* cp = gstate.host_info.coprocs.coprocs[i];
+        for (int j=0; j<cp->count; j++) {
+            fprintf(gstate.html_out, "<td bgcolor=#aaaaaa>OFF</td>");
+        }
+    }
+}
+void gpu_on() {
+    for (unsigned int i=0; i<gstate.host_info.coprocs.coprocs.size(); i++) {
+        COPROC* cp = gstate.host_info.coprocs.coprocs[i];
+        for (int j=0; j<cp->count; j++) {
+            for (unsigned int k=0; k<gstate.active_tasks.active_tasks.size(); k++) {
+                ACTIVE_TASK* atp = gstate.active_tasks.active_tasks[k];
+                RESULT* rp = atp->result;
+                if (!uses_coproc(rp, cp)) continue;
+                if (atp->task_state() != PROCESS_EXECUTING) continue;
+                if (!using_instance(rp, j)) continue;
+                SIM_PROJECT* p = (SIM_PROJECT*)rp->project;
+                fprintf(gstate.html_out, "<td bgcolor=%s>%s%s: %.2f</td>",
+                    colors[p->index],
+                    atp->result->rr_sim_misses_deadline?"*":"",
+                    atp->result->name, atp->cpu_time_left
+                );
+            }
+        }
+    }
+}
+
 void CLIENT_STATE::html_start(bool show_prev) {
     char buf[256];
 
@@ -583,6 +626,7 @@ void CLIENT_STATE::html_start(bool show_prev) {
             "<th>CPU %d<br><font size=-2>Job name and estimated time left<br>color denotes project<br>* means EDF mode</font></th>", i
         );
     }
+    gpu_header();
     fprintf(html_out, "<th>Notes</th></tr>\n");
 }
 
@@ -595,6 +639,7 @@ void CLIENT_STATE::html_rec() {
         for (int j=0; j<ncpus; j++) {
             fprintf(html_out, "<td bgcolor=#aaaaaa>OFF</td>");
         }
+        gpu_off();
     } else {
         int n=0;
         for (unsigned int i=0; i<active_tasks.active_tasks.size(); i++) {
@@ -614,7 +659,9 @@ void CLIENT_STATE::html_rec() {
             n++;
         }
     }
-    fprintf(html_out, "<td><font size=-2>%s</font></td></tr>\n", html_msg.c_str());
+    fprintf(html_out,
+        "<td><font size=-2>%s</font></td></tr>\n", html_msg.c_str()
+    );
     html_msg = "";
 
     if (++line_num == line_limit) {
diff --git a/client/sim.h b/client/sim.h
index 05e4fc7142..83bfb052ab 100644
--- a/client/sim.h
+++ b/client/sim.h
@@ -64,16 +64,14 @@ struct PROJECT_RESULTS {
     int nresults_missed_deadline;
 };
 
-class NORMAL_DIST {
-public:
+struct NORMAL_DIST {
     double mean;
     double stdev;
     int parse(XML_PARSER&, char* end_tag);
     double sample();
 };
 
-class UNIFORM_DIST {
-public:
+struct UNIFORM_DIST {
     double lo;
     double hi;
     int parse(XML_PARSER&, char* end_tag);
@@ -94,8 +92,7 @@ public:
     RANDOM_PROCESS();
 };
 
-class SIM_APP: public APP {
-public:
+struct SIM_APP: public APP {
     double latency_bound;
     double fpops_est;
     NORMAL_DIST fpops;
@@ -107,8 +104,7 @@ public:
     int parse(XML_PARSER&);
 };
 
-class SIM_PROJECT: public PROJECT {
-public:
+struct SIM_PROJECT: public PROJECT {
     RANDOM_PROCESS available;
     int index;
     int result_index;
@@ -131,8 +127,12 @@ public:
     void update_dcf_stats(RESULT*);
 };
 
-class SIM_HOST: public HOST_INFO {
-public:
+struct SIM_GPU : public COPROC {
+    double flops;
+    int parse(XML_PARSER&, const char*);
+};
+
+struct SIM_HOST: public HOST_INFO {
     RANDOM_PROCESS available;
     RANDOM_PROCESS idle;
     double connection_interval;
diff --git a/client/sim_util.cpp b/client/sim_util.cpp
index 7facaf93c3..17f0bae054 100644
--- a/client/sim_util.cpp
+++ b/client/sim_util.cpp
@@ -502,6 +502,20 @@ int SIM_PROJECT::parse(XML_PARSER& xp) {
     return ERR_XML_PARSE;
 }
 
+int SIM_GPU::parse(XML_PARSER& xp, const char* end_tag) {
+    char tag[256];
+    bool is_tag;
+    while(!xp.get(tag, sizeof(tag), is_tag)) {
+        if (!is_tag) return ERR_XML_PARSE;
+        if (!strcmp(tag, end_tag)) return 0;
+        else if (xp.parse_int(tag, "count", count)) continue;
+        else if (xp.parse_double(tag, "flops", flops)) continue;
+        else if (xp.parse_str(tag, "type", type, sizeof(type))) continue;
+        else return ERR_XML_PARSE;
+    }
+    return ERR_XML_PARSE;
+}
+
 int SIM_HOST::parse(XML_PARSER& xp) {
     char tag[256];
     bool is_tag;
@@ -524,6 +538,14 @@ int SIM_HOST::parse(XML_PARSER& xp) {
             retval = idle.parse(xp, "/idle");
             if (retval) return retval;
             idle.init(START_TIME);
+        } else if (!strcmp(tag, "gpu")) {
+            SIM_GPU* sgp = new SIM_GPU;
+            retval = sgp->parse(xp, "/gpu");
+            if (retval) {
+                delete sgp;
+                return retval;
+            }
+            coprocs.coprocs.push_back(sgp);
         } else {
             printf("unrecognized: %s\n", tag);
             return ERR_XML_PARSE;