diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index d05ec634..26684810 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -502,8 +502,28 @@ def calculate_goldmedalstandard(rower, workout, recurrance=True):
 
 
 def setcp(workout, background=False, recurrance=True):
-    filename = 'media/cpdata_{id}.parquet.gz'.format(id=workout.id)
+    try:
+        filename = 'media/cpdata_{id}.parquet.gz'.format(id=workout.id)
+        df = pd.read_parquet(filename)
 
+        if not df.empty:
+            # check dts
+            tarr = datautils.getlogarr(4000)
+            if df['delta'][0] in tarr:
+                return(df, df['delta'], df['cp'])
+    except:
+        pass
+
+    strokesdf = getsmallrowdata_db(
+        ['power', 'workoutid', 'time'], ids=[workout.id])
+
+    if strokesdf.empty:
+        return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
+    
+    totaltime = strokesdf['time'].max()
+    maxt = totaltime/1000.
+    logarr = datautils.getlogarr(maxt)
+    
     csvfilename = workout.csvfilename
     # check what the real file name is
     if os.path.exists(csvfilename):
@@ -514,80 +534,53 @@ def setcp(workout, background=False, recurrance=True):
         csvfile = csvfilename+'.gz'
     else:  # pragma: no cover
         return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
+    csvfile = os.path.abspath(csvfile)
 
-    strokesdf = getsmallrowdata_db(
-        ['power', 'workoutid', 'time'], ids=[workout.id])
 
-    protos = grpc.protos("rowing_workout_metrics.proto")
-    services = grpc.services("rowing_workout_metrics.proto")
-    req = protos.CPRequest(
-        filename = csvfile,
-        filetype = "CSV",
-        tarr = datautils.getlogarr(1.05*strokesdf['time'].max())
-    )
-    response = services.GetCP(req, "localhost:50052", insecure=True)
-    delta = response.delta
-    cpvalues = response.power
+    with grpc.insecure_channel(
+        target='localhost:50052',
+        options=[('grpc.lb_policy_name', 'pick_first'),
+                 ('grpc.enable_retries', 0), ('grpc.keepalive_timeout_ms',
+                                              10000)]
+    ) as channel:
+        try:
+            grpc.channel_ready_future(channel).result(timeout=10)
+        except grpc.FutureTimeoutError:  # pragma: no cover
+            dologging('metrics.log','grpc channel time out in setcp')
+            return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
+
+        stub = metrics_pb2_grpc.MetricsStub(channel)
+        req = metrics_pb2.CPRequest(filename = csvfile, filetype = "CSV", tarr = logarr)
+
+        try:
+            response = stub.GetCP(req, timeout=60)
+        except Exception as e:
+            dologging('metrics.log', traceback.format_exc())
+            return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
+
+    delta = pd.Series(np.array(response.delta))
+    cpvalues = pd.Series(np.array(response.power))
     powermean = response.avgpower
 
+    
+
     df = pd.DataFrame({
         'delta': delta,
         'cp': cpvalues,
         'id': workout.id,
     })
+
     df.to_parquet(filename, engine='fastparquet', compression='GZIP')
+
     if recurrance:
         goldmedalstandard, goldmedalduration = calculate_goldmedalstandard(
             workout.user, workout)
         workout.goldmedalstandard = goldmedalstandard
         workout.goldmedalduration = goldmedalduration
         workout.save()
+
     return df, delta, cpvalues
     
-            
-
-    try:
-        if strokesdf['power'].std() == 0:
-            return pd.DataFrame(), pd.Series(dtype='float'), pd.Series(dtype='float')
-    except (KeyError, TypeError):
-        return pd.DataFrame(), pd.Series(dtype='float'), pd.Series(dtype='float')
-
-    if background:  # pragma: no cover
-        _ = myqueue(queuelow, handle_setcp, strokesdf, filename, workout.id)
-        return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
-
-    if not strokesdf.empty:
-        totaltime = strokesdf['time'].max()
-        try:
-            powermean = strokesdf['power'].mean()
-        except KeyError:  # pragma: no cover
-            powermean = 0
-
-        if powermean != 0:
-            thesecs = totaltime
-            maxt = 1.05 * thesecs
-
-            if maxt > 0:
-                logarr = datautils.getlogarr(maxt)
-                dfgrouped = strokesdf.groupby(['workoutid'])
-                delta, cpvalues, avgpower = datautils.getcp(dfgrouped, logarr)
-
-                df = pd.DataFrame({
-                    'delta': delta,
-                    'cp': cpvalues,
-                    'id': workout.id,
-                })
-                df.to_parquet(filename, engine='fastparquet',
-                              compression='GZIP')
-                if recurrance:
-                    goldmedalstandard, goldmedalduration = calculate_goldmedalstandard(
-                        workout.user, workout)
-                    workout.goldmedalstandard = goldmedalstandard
-                    workout.goldmedalduration = goldmedalduration
-                    workout.save()
-                return df, delta, cpvalues
-
-    return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
 
 
 def update_wps(r, types, mode='water', asynchron=True):
@@ -723,6 +716,7 @@ def join_workouts(r, ids, title='Joined Workout',
 def fetchcp_new(rower, workouts):
 
     data = []
+
     for workout in workouts:
         cpfile = 'media/cpdata_{id}.parquet.gz'.format(id=workout.id)
         try:
@@ -743,12 +737,15 @@ def fetchcp_new(rower, workouts):
     if len(data) > 1:
         df = pd.concat(data, axis=0)
 
+
     try:
         df = df[df['cp'] == df.groupby(['delta'])['cp'].transform('max')]
     except KeyError:  # pragma: no cover
         return pd.Series(dtype='float'), pd.Series(dtype='float'), 0, pd.Series(dtype='float'), pd.Series(dtype='float')
 
     df = df.sort_values(['delta']).reset_index()
+    df = df[df['cp']>20]
+
 
     return df['delta'], df['cp'], 0, df['workout'], df['url']
 
diff --git a/rowers/datautils.py b/rowers/datautils.py
index fcebd334..cb17a357 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -123,18 +123,18 @@ def cpfit(powerdf, fraclimit=0.0001, nmax=1000):
 
 
 def getlogarr(maxt):
-    maxlog10 = np.log10(maxt-5)
+    dtmin = 10
+    maxlog10 = np.log10(maxt)
     # print(maxlog10,round(maxlog10))
-    aantal = 10*round(maxlog10)
+    aantal = 40
     logarr = np.arange(aantal+1)/10.
+    vs = 10.**logarr
+    
 
     res = []
-    for la in logarr:
-        try:
-            v = 5+int(10.**(la))
-        except ValueError:  # pragma: no cover
-            v = 0
-        res.append(v)
+    for v in vs:
+        if v > dtmin and v<maxt:
+            res.append(int(v))
 
     logarr = pd.Series(res, dtype='float')
     logarr.drop_duplicates(keep='first', inplace=True)
diff --git a/rowers/models.py b/rowers/models.py
index a05e0be3..23503c71 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -1823,15 +1823,18 @@ class InstantPlan(models.Model):
         authorizationstring = 'Bearer '+settings.WORKOUTS_FIT_TOKEN
         url = settings.WORKOUTS_FIT_URL+"/trainingplan/"
         headers = {'Authorization': authorizationstring}
-        response = requests.post(url=url, headers=headers, data=yamltext)
-        if response.status_code == 200:
-            data = response.json()
-            self.yaml.name = data['filename']
-            self.uuid = data['ID']
-            self.name = data['name']
-            self.description = data['description']
-            self.duration = data['duration']
-            self.yaml = None
+        try:
+            response = requests.post(url=url, headers=headers, data=yamltext)
+            if response.status_code == 200:
+                data = response.json()
+                self.yaml.name = data['filename']
+                self.uuid = data['ID']
+                self.name = data['name']
+                self.description = data['description']
+                self.duration = data['duration']
+                self.yaml = None
+        except:
+            pass
         super(InstantPlan, self).save(*args, **kwargs)
 
 
diff --git a/rowers/rowing-workout-metrics.proto b/rowers/rowing-workout-metrics.proto
deleted file mode 100644
index 2992b397..00000000
--- a/rowers/rowing-workout-metrics.proto
+++ /dev/null
@@ -1,49 +0,0 @@
-syntax = "proto3";
-
-package rowing_workout_metrics;
-option go_package = "./rowing-workout-metrics";
-
-// OTW-metrics service definition
-service Metrics {
-  rpc CalcMetrics (WorkoutMetricsRequest) returns (WorkoutMetricsResponse);
-};
-
-// GetCP service definition
-service CP {
-  rpc GetCP (CPRequest) returns (CPResponse);
-}
-
-// WorkoutMetricsRequest message
-message WorkoutMetricsRequest {
-  string filename = 1;
-  string sex = 2;
-  double ftp = 3;
-  double hrftp = 4;
-  double hrmax = 5;
-  double hrmin = 6;
-
-};
-
-// WorkoutMetricsReponse message
-message WorkoutMetricsResponse {
-  double tss = 1;
-  double normp = 2;
-  double trimp = 3;
-  double hrtss = 4;
-  double normv = 5;
-  double normw = 6;
-};
-
-// CPRequest message
-message CPRequest {
-  string filename = 1; 
-  string filetype = 2; // CSV or Parquet
-  repeated double tarr = 3;
-}
-
-message CPResponse {
-  repeated double delta = 1;
-  repeated double power = 2;
-  double avgpower = 3;
-  
-}
\ No newline at end of file
diff --git a/rowers/rowing_workout_metrics.proto b/rowers/rowing_workout_metrics.proto
deleted file mode 100644
index 2992b397..00000000
--- a/rowers/rowing_workout_metrics.proto
+++ /dev/null
@@ -1,49 +0,0 @@
-syntax = "proto3";
-
-package rowing_workout_metrics;
-option go_package = "./rowing-workout-metrics";
-
-// OTW-metrics service definition
-service Metrics {
-  rpc CalcMetrics (WorkoutMetricsRequest) returns (WorkoutMetricsResponse);
-};
-
-// GetCP service definition
-service CP {
-  rpc GetCP (CPRequest) returns (CPResponse);
-}
-
-// WorkoutMetricsRequest message
-message WorkoutMetricsRequest {
-  string filename = 1;
-  string sex = 2;
-  double ftp = 3;
-  double hrftp = 4;
-  double hrmax = 5;
-  double hrmin = 6;
-
-};
-
-// WorkoutMetricsReponse message
-message WorkoutMetricsResponse {
-  double tss = 1;
-  double normp = 2;
-  double trimp = 3;
-  double hrtss = 4;
-  double normv = 5;
-  double normw = 6;
-};
-
-// CPRequest message
-message CPRequest {
-  string filename = 1; 
-  string filetype = 2; // CSV or Parquet
-  repeated double tarr = 3;
-}
-
-message CPResponse {
-  repeated double delta = 1;
-  repeated double power = 2;
-  double avgpower = 3;
-  
-}
\ No newline at end of file
diff --git a/rowers/rowing_workout_metrics_pb2.py b/rowers/rowing_workout_metrics_pb2.py
index 6a4554b2..9fafbc46 100644
--- a/rowers/rowing_workout_metrics_pb2.py
+++ b/rowers/rowing_workout_metrics_pb2.py
@@ -14,7 +14,7 @@ _sym_db = _symbol_database.Default()
 
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1crowing-workout-metrics.proto\x12\x16rowing_workout_metrics\"p\n\x15WorkoutMetricsRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x0b\n\x03sex\x18\x02 \x01(\t\x12\x0b\n\x03\x66tp\x18\x03 \x01(\x01\x12\r\n\x05hrftp\x18\x04 \x01(\x01\x12\r\n\x05hrmax\x18\x05 \x01(\x01\x12\r\n\x05hrmin\x18\x06 \x01(\x01\"p\n\x16WorkoutMetricsResponse\x12\x0b\n\x03tss\x18\x01 \x01(\x01\x12\r\n\x05normp\x18\x02 \x01(\x01\x12\r\n\x05trimp\x18\x03 \x01(\x01\x12\r\n\x05hrtss\x18\x04 \x01(\x01\x12\r\n\x05normv\x18\x05 \x01(\x01\x12\r\n\x05normw\x18\x06 \x01(\x01\"=\n\tCPRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x10\n\x08\x66iletype\x18\x02 \x01(\t\x12\x0c\n\x04tarr\x18\x03 \x03(\x01\"<\n\nCPResponse\x12\r\n\x05\x64\x65lta\x18\x01 \x03(\x01\x12\r\n\x05power\x18\x02 \x03(\x01\x12\x10\n\x08\x61vgpower\x18\x03 \x01(\x01\x32w\n\x07Metrics\x12l\n\x0b\x43\x61lcMetrics\x12-.rowing_workout_metrics.WorkoutMetricsRequest\x1a..rowing_workout_metrics.WorkoutMetricsResponse2T\n\x02\x43P\x12N\n\x05GetCP\x12!.rowing_workout_metrics.CPRequest\x1a\".rowing_workout_metrics.CPResponseB\x1aZ\x18./rowing-workout-metricsb\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1crowing-workout-metrics.proto\x12\x16rowing_workout_metrics\"p\n\x15WorkoutMetricsRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x0b\n\x03sex\x18\x02 \x01(\t\x12\x0b\n\x03\x66tp\x18\x03 \x01(\x01\x12\r\n\x05hrftp\x18\x04 \x01(\x01\x12\r\n\x05hrmax\x18\x05 \x01(\x01\x12\r\n\x05hrmin\x18\x06 \x01(\x01\"p\n\x16WorkoutMetricsResponse\x12\x0b\n\x03tss\x18\x01 \x01(\x01\x12\r\n\x05normp\x18\x02 \x01(\x01\x12\r\n\x05trimp\x18\x03 \x01(\x01\x12\r\n\x05hrtss\x18\x04 \x01(\x01\x12\r\n\x05normv\x18\x05 \x01(\x01\x12\r\n\x05normw\x18\x06 \x01(\x01\"=\n\tCPRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x10\n\x08\x66iletype\x18\x02 \x01(\t\x12\x0c\n\x04tarr\x18\x03 \x03(\x01\"<\n\nCPResponse\x12\r\n\x05\x64\x65lta\x18\x01 \x03(\x01\x12\r\n\x05power\x18\x02 \x03(\x01\x12\x10\n\x08\x61vgpower\x18\x03 \x01(\x01\x32\xc7\x01\n\x07Metrics\x12l\n\x0b\x43\x61lcMetrics\x12-.rowing_workout_metrics.WorkoutMetricsRequest\x1a..rowing_workout_metrics.WorkoutMetricsResponse\x12N\n\x05GetCP\x12!.rowing_workout_metrics.CPRequest\x1a\".rowing_workout_metrics.CPResponseB\x1aZ\x18./rowing-workout-metricsb\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -30,8 +30,6 @@ if _descriptor._USE_C_DESCRIPTORS == False:
   _globals['_CPREQUEST']._serialized_end=345
   _globals['_CPRESPONSE']._serialized_start=347
   _globals['_CPRESPONSE']._serialized_end=407
-  _globals['_METRICS']._serialized_start=409
-  _globals['_METRICS']._serialized_end=528
-  _globals['_CP']._serialized_start=530
-  _globals['_CP']._serialized_end=614
+  _globals['_METRICS']._serialized_start=410
+  _globals['_METRICS']._serialized_end=609
 # @@protoc_insertion_point(module_scope)
diff --git a/rowers/rowing_workout_metrics_pb2_grpc.py b/rowers/rowing_workout_metrics_pb2_grpc.py
index 2f5a91d7..4785255b 100644
--- a/rowers/rowing_workout_metrics_pb2_grpc.py
+++ b/rowers/rowing_workout_metrics_pb2_grpc.py
@@ -20,6 +20,11 @@ class MetricsStub(object):
                 request_serializer=rowing__workout__metrics__pb2.WorkoutMetricsRequest.SerializeToString,
                 response_deserializer=rowing__workout__metrics__pb2.WorkoutMetricsResponse.FromString,
                 )
+        self.GetCP = channel.unary_unary(
+                '/rowing_workout_metrics.Metrics/GetCP',
+                request_serializer=rowing__workout__metrics__pb2.CPRequest.SerializeToString,
+                response_deserializer=rowing__workout__metrics__pb2.CPResponse.FromString,
+                )
 
 
 class MetricsServicer(object):
@@ -32,6 +37,12 @@ class MetricsServicer(object):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def GetCP(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
 
 def add_MetricsServicer_to_server(servicer, server):
     rpc_method_handlers = {
@@ -40,6 +51,11 @@ def add_MetricsServicer_to_server(servicer, server):
                     request_deserializer=rowing__workout__metrics__pb2.WorkoutMetricsRequest.FromString,
                     response_serializer=rowing__workout__metrics__pb2.WorkoutMetricsResponse.SerializeToString,
             ),
+            'GetCP': grpc.unary_unary_rpc_method_handler(
+                    servicer.GetCP,
+                    request_deserializer=rowing__workout__metrics__pb2.CPRequest.FromString,
+                    response_serializer=rowing__workout__metrics__pb2.CPResponse.SerializeToString,
+            ),
     }
     generic_handler = grpc.method_handlers_generic_handler(
             'rowing_workout_metrics.Metrics', rpc_method_handlers)
@@ -68,53 +84,6 @@ class Metrics(object):
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
-
-class CPStub(object):
-    """GetCP service definition
-    """
-
-    def __init__(self, channel):
-        """Constructor.
-
-        Args:
-            channel: A grpc.Channel.
-        """
-        self.GetCP = channel.unary_unary(
-                '/rowing_workout_metrics.CP/GetCP',
-                request_serializer=rowing__workout__metrics__pb2.CPRequest.SerializeToString,
-                response_deserializer=rowing__workout__metrics__pb2.CPResponse.FromString,
-                )
-
-
-class CPServicer(object):
-    """GetCP service definition
-    """
-
-    def GetCP(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-
-def add_CPServicer_to_server(servicer, server):
-    rpc_method_handlers = {
-            'GetCP': grpc.unary_unary_rpc_method_handler(
-                    servicer.GetCP,
-                    request_deserializer=rowing__workout__metrics__pb2.CPRequest.FromString,
-                    response_serializer=rowing__workout__metrics__pb2.CPResponse.SerializeToString,
-            ),
-    }
-    generic_handler = grpc.method_handlers_generic_handler(
-            'rowing_workout_metrics.CP', rpc_method_handlers)
-    server.add_generic_rpc_handlers((generic_handler,))
-
-
- # This class is part of an EXPERIMENTAL API.
-class CP(object):
-    """GetCP service definition
-    """
-
     @staticmethod
     def GetCP(request,
             target,
@@ -126,7 +95,7 @@ class CP(object):
             wait_for_ready=None,
             timeout=None,
             metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/rowing_workout_metrics.CP/GetCP',
+        return grpc.experimental.unary_unary(request, target, '/rowing_workout_metrics.Metrics/GetCP',
             rowing__workout__metrics__pb2.CPRequest.SerializeToString,
             rowing__workout__metrics__pb2.CPResponse.FromString,
             options, channel_credentials,
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index 41219d88..535be5e4 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ
diff --git a/rowers/utils.py b/rowers/utils.py
index bf71456b..34f808ea 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -347,9 +347,9 @@ def isbreakthrough(delta, cpvalues, p0, p1, p2, p3, ratio):
 
     pwr *= ratio
 
-    delta = delta.values.astype(int)
-    cpvalues = cpvalues.values.astype(int)
-    pwr = pwr.astype(int)
+    delta = delta.astype(int, errors='ignore').values
+    cpvalues = cpvalues.astype(int, errors='ignore').values
+    pwr = pwr.astype(int, errors='ignore').values
 
     res = np.sum(cpvalues > pwr+1)
     res2 = np.sum(cpvalues > pwr2+1)