diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index f206a457..26684810 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -31,6 +31,11 @@ from zipfile import BadZipFile
 import zipfile
 import os
 from rowers.models import strokedatafields
+import grpc
+import grpc.experimental
+import rowers.rowing_workout_metrics_pb2 as metrics_pb2
+import rowers.rowing_workout_metrics_pb2_grpc as metrics_pb2_grpc
+import traceback
 
 from rowingdata import (
     KinoMapParser,
@@ -497,53 +502,85 @@ 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])
 
-    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)
+    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):
+        csvfile = csvfilename
+    elif os.path.exists(csvfilename+'.csv'):  # pragma: no cover
+        csvfile = csvfilename+'.csv'
+    elif os.path.exists(csvfilename+'.gz'):  # pragma: no cover
+        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)
 
-    if not strokesdf.empty:
-        totaltime = strokesdf['time'].max()
+
+    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:
-            powermean = strokesdf['power'].mean()
-        except KeyError:  # pragma: no cover
-            powermean = 0
+            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')
 
-        if powermean != 0:
-            thesecs = totaltime
-            maxt = 1.05 * thesecs
+        stub = metrics_pb2_grpc.MetricsStub(channel)
+        req = metrics_pb2.CPRequest(filename = csvfile, filetype = "CSV", tarr = logarr)
 
-            if maxt > 0:
-                logarr = datautils.getlogarr(maxt)
-                dfgrouped = strokesdf.groupby(['workoutid'])
-                delta, cpvalues, avgpower = datautils.getcp(dfgrouped, 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')
 
-                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
+    delta = pd.Series(np.array(response.delta))
+    cpvalues = pd.Series(np.array(response.power))
+    powermean = response.avgpower
 
-    return pd.DataFrame({'delta': [], 'cp': []}), pd.Series(dtype='float'), pd.Series(dtype='float')
+    
+
+    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
+    
 
 
 def update_wps(r, types, mode='water', asynchron=True):
@@ -679,9 +716,11 @@ 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:
+            df, delta, cpvalues = setcp(workout)
             df = pd.read_parquet(cpfile)
             df['workout'] = str(workout)
             df['url'] = workout.url()
@@ -698,12 +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 029de2f3..cb17a357 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -1,4 +1,3 @@
-
 import pandas as pd
 import numpy as np
 from scipy.interpolate import griddata
@@ -124,18 +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/otw_power_calculator_pb2.py b/rowers/otw_power_calculator_pb2.py
index f0c2091c..d099031d 100644
--- a/rowers/otw_power_calculator_pb2.py
+++ b/rowers/otw_power_calculator_pb2.py
@@ -1,185 +1,31 @@
 # -*- coding: utf-8 -*-
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: otw-power-calculator.proto
-
-from google.protobuf import symbol_database as _symbol_database
-from google.protobuf import reflection as _reflection
-from google.protobuf import message as _message
+# Protobuf Python Version: 4.25.1
+"""Generated protocol buffer code."""
 from google.protobuf import descriptor as _descriptor
-import sys
-_b = sys.version_info[0] < 3 and (
-    lambda x: x) or (lambda x: x.encode('latin1'))
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
 # @@protoc_insertion_point(imports)
 
 _sym_db = _symbol_database.Default()
 
 
-DESCRIPTOR = _descriptor.FileDescriptor(
-    name='otw-power-calculator.proto',
-    package='otw_power_calculator',
-    syntax='proto3',
-    serialized_options=None,
-    serialized_pb=_b('\n\x1aotw-power-calculator.proto\x12\x14otw_power_calculator\"\xc0\x01\n\x13WorkoutPowerRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x10\n\x08\x62oattype\x18\x02 \x01(\t\x12\x10\n\x08\x63rewmass\x18\x03 \x01(\x01\x12\x15\n\rpowermeasured\x18\x04 \x01(\x08\x12\x13\n\x0bprogressurl\x18\x05 \x01(\t\x12\x0e\n\x06secret\x18\x06 \x01(\t\x12\x0e\n\x06silent\x18\x07 \x01(\x08\x12\x11\n\tboatclass\x18\x08 \x01(\t\x12\x14\n\x0c\x63oastalbrand\x18\t \x01(\t\"#\n\x11\x43\x61lculationResult\x12\x0e\n\x06result\x18\x01 \x01(\x05\x32j\n\x05Power\x12\x61\n\tCalcPower\x12).otw_power_calculator.WorkoutPowerRequest\x1a\'.otw_power_calculator.CalculationResult\"\x00\x62\x06proto3')
-)
 
 
-_WORKOUTPOWERREQUEST = _descriptor.Descriptor(
-    name='WorkoutPowerRequest',
-    full_name='otw_power_calculator.WorkoutPowerRequest',
-    filename=None,
-    file=DESCRIPTOR,
-    containing_type=None,
-    fields=[
-        _descriptor.FieldDescriptor(
-            name='filename', full_name='otw_power_calculator.WorkoutPowerRequest.filename', index=0,
-            number=1, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='boattype', full_name='otw_power_calculator.WorkoutPowerRequest.boattype', index=1,
-            number=2, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='crewmass', full_name='otw_power_calculator.WorkoutPowerRequest.crewmass', index=2,
-            number=3, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='powermeasured', full_name='otw_power_calculator.WorkoutPowerRequest.powermeasured', index=3,
-            number=4, type=8, cpp_type=7, label=1,
-            has_default_value=False, default_value=False,
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='progressurl', full_name='otw_power_calculator.WorkoutPowerRequest.progressurl', index=4,
-            number=5, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='secret', full_name='otw_power_calculator.WorkoutPowerRequest.secret', index=5,
-            number=6, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='silent', full_name='otw_power_calculator.WorkoutPowerRequest.silent', index=6,
-            number=7, type=8, cpp_type=7, label=1,
-            has_default_value=False, default_value=False,
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='boatclass', full_name='otw_power_calculator.WorkoutPowerRequest.boatclass', index=7,
-            number=8, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='coastalbrand', full_name='otw_power_calculator.WorkoutPowerRequest.coastalbrand', index=8,
-            number=9, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-    ],
-    extensions=[
-    ],
-    nested_types=[],
-    enum_types=[
-    ],
-    serialized_options=None,
-    is_extendable=False,
-    syntax='proto3',
-    extension_ranges=[],
-    oneofs=[
-    ],
-    serialized_start=53,
-    serialized_end=245,
-)
-
-
-_CALCULATIONRESULT = _descriptor.Descriptor(
-    name='CalculationResult',
-    full_name='otw_power_calculator.CalculationResult',
-    filename=None,
-    file=DESCRIPTOR,
-    containing_type=None,
-    fields=[
-        _descriptor.FieldDescriptor(
-            name='result', full_name='otw_power_calculator.CalculationResult.result', index=0,
-            number=1, type=5, cpp_type=1, label=1,
-            has_default_value=False, default_value=0,
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-    ],
-    extensions=[
-    ],
-    nested_types=[],
-    enum_types=[
-    ],
-    serialized_options=None,
-    is_extendable=False,
-    syntax='proto3',
-    extension_ranges=[],
-    oneofs=[
-    ],
-    serialized_start=247,
-    serialized_end=282,
-)
-
-DESCRIPTOR.message_types_by_name['WorkoutPowerRequest'] = _WORKOUTPOWERREQUEST
-DESCRIPTOR.message_types_by_name['CalculationResult'] = _CALCULATIONRESULT
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-
-WorkoutPowerRequest = _reflection.GeneratedProtocolMessageType('WorkoutPowerRequest', (_message.Message,), {
-    'DESCRIPTOR': _WORKOUTPOWERREQUEST,
-    '__module__': 'otw_power_calculator_pb2'
-    # @@protoc_insertion_point(class_scope:otw_power_calculator.WorkoutPowerRequest)
-})
-_sym_db.RegisterMessage(WorkoutPowerRequest)
-
-CalculationResult = _reflection.GeneratedProtocolMessageType('CalculationResult', (_message.Message,), {
-    'DESCRIPTOR': _CALCULATIONRESULT,
-    '__module__': 'otw_power_calculator_pb2'
-    # @@protoc_insertion_point(class_scope:otw_power_calculator.CalculationResult)
-})
-_sym_db.RegisterMessage(CalculationResult)
-
-
-_POWER = _descriptor.ServiceDescriptor(
-    name='Power',
-    full_name='otw_power_calculator.Power',
-    file=DESCRIPTOR,
-    index=0,
-    serialized_options=None,
-    serialized_start=284,
-    serialized_end=390,
-    methods=[
-        _descriptor.MethodDescriptor(
-            name='CalcPower',
-            full_name='otw_power_calculator.Power.CalcPower',
-            index=0,
-            containing_service=None,
-            input_type=_WORKOUTPOWERREQUEST,
-            output_type=_CALCULATIONRESULT,
-            serialized_options=None,
-        ),
-    ])
-_sym_db.RegisterServiceDescriptor(_POWER)
-
-DESCRIPTOR.services_by_name['Power'] = _POWER
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1aotw-power-calculator.proto\x12\x14otw_power_calculator\"\xc0\x01\n\x13WorkoutPowerRequest\x12\x10\n\x08\x66ilename\x18\x01 \x01(\t\x12\x10\n\x08\x62oattype\x18\x02 \x01(\t\x12\x10\n\x08\x63rewmass\x18\x03 \x01(\x01\x12\x15\n\rpowermeasured\x18\x04 \x01(\x08\x12\x13\n\x0bprogressurl\x18\x05 \x01(\t\x12\x0e\n\x06secret\x18\x06 \x01(\t\x12\x0e\n\x06silent\x18\x07 \x01(\x08\x12\x11\n\tboatclass\x18\x08 \x01(\t\x12\x14\n\x0c\x63oastalbrand\x18\t \x01(\t\"#\n\x11\x43\x61lculationResult\x12\x0e\n\x06result\x18\x01 \x01(\x05\x32j\n\x05Power\x12\x61\n\tCalcPower\x12).otw_power_calculator.WorkoutPowerRequest\x1a\'.otw_power_calculator.CalculationResult\"\x00\x42\x18Z\x16./otw-power-calculatorb\x06proto3')
 
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'otw_power_calculator_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  _globals['DESCRIPTOR']._options = None
+  _globals['DESCRIPTOR']._serialized_options = b'Z\026./otw-power-calculator'
+  _globals['_WORKOUTPOWERREQUEST']._serialized_start=53
+  _globals['_WORKOUTPOWERREQUEST']._serialized_end=245
+  _globals['_CALCULATIONRESULT']._serialized_start=247
+  _globals['_CALCULATIONRESULT']._serialized_end=282
+  _globals['_POWER']._serialized_start=284
+  _globals['_POWER']._serialized_end=390
 # @@protoc_insertion_point(module_scope)
diff --git a/rowers/otw_power_calculator_pb2_grpc.py b/rowers/otw_power_calculator_pb2_grpc.py
index f6d10b5a..c3a58814 100644
--- a/rowers/otw_power_calculator_pb2_grpc.py
+++ b/rowers/otw_power_calculator_pb2_grpc.py
@@ -1,4 +1,5 @@
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
 import grpc
 
 import rowers.otw_power_calculator_pb2 as otw__power__calculator__pb2
@@ -12,36 +13,57 @@ class PowerStub(object):
         """Constructor.
 
         Args:
-          channel: A grpc.Channel.
+            channel: A grpc.Channel.
         """
         self.CalcPower = channel.unary_unary(
-            '/otw_power_calculator.Power/CalcPower',
-            request_serializer=otw__power__calculator__pb2.WorkoutPowerRequest.SerializeToString,
-            response_deserializer=otw__power__calculator__pb2.CalculationResult.FromString,
-        )
+                '/otw_power_calculator.Power/CalcPower',
+                request_serializer=otw__power__calculator__pb2.WorkoutPowerRequest.SerializeToString,
+                response_deserializer=otw__power__calculator__pb2.CalculationResult.FromString,
+                )
 
 
 class PowerServicer(object):
     """Power service definition
     """
 
-    def CalcPower(self, request, context):  # pragma: no cover
-        # missing associated documentation comment in .proto file
-        pass
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)  # pragma: no cover
-        context.set_details('Method not implemented!')  # pragma: no cover
-        raise NotImplementedError(
-            'Method not implemented!')  # pragma: no cover
+    def CalcPower(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_PowerServicer_to_server(servicer, server):  # pragma: no cover
+def add_PowerServicer_to_server(servicer, server):
     rpc_method_handlers = {
-        'CalcPower': grpc.unary_unary_rpc_method_handler(
-            servicer.CalcPower,
-            request_deserializer=otw__power__calculator__pb2.WorkoutPowerRequest.FromString,
-            response_serializer=otw__power__calculator__pb2.CalculationResult.SerializeToString,
-        ),
-    }  # pragma: no cover
+            'CalcPower': grpc.unary_unary_rpc_method_handler(
+                    servicer.CalcPower,
+                    request_deserializer=otw__power__calculator__pb2.WorkoutPowerRequest.FromString,
+                    response_serializer=otw__power__calculator__pb2.CalculationResult.SerializeToString,
+            ),
+    }
     generic_handler = grpc.method_handlers_generic_handler(
-        'otw_power_calculator.Power', rpc_method_handlers)
+            'otw_power_calculator.Power', rpc_method_handlers)
     server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Power(object):
+    """Power service definition
+    """
+
+    @staticmethod
+    def CalcPower(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/otw_power_calculator.Power/CalcPower',
+            otw__power__calculator__pb2.WorkoutPowerRequest.SerializeToString,
+            otw__power__calculator__pb2.CalculationResult.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/rowers/rowing_workout_metrics_pb2.py b/rowers/rowing_workout_metrics_pb2.py
index d6422d38..9fafbc46 100644
--- a/rowers/rowing_workout_metrics_pb2.py
+++ b/rowers/rowing_workout_metrics_pb2.py
@@ -1,210 +1,35 @@
 # -*- coding: utf-8 -*-
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: rowing-workout-metrics.proto
-
-from google.protobuf import symbol_database as _symbol_database
-from google.protobuf import reflection as _reflection
-from google.protobuf import message as _message
+# Protobuf Python Version: 4.25.1
+"""Generated protocol buffer code."""
 from google.protobuf import descriptor as _descriptor
-import sys
-_b = sys.version_info[0] < 3 and (
-    lambda x: x) or (lambda x: x.encode('latin1'))
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
 # @@protoc_insertion_point(imports)
 
 _sym_db = _symbol_database.Default()
 
 
-DESCRIPTOR = _descriptor.FileDescriptor(
-    name='rowing-workout-metrics.proto',
-    package='rowing_workout_metrics',
-    syntax='proto3',
-    serialized_options=None,
-    serialized_pb=_b('\n\x1crowing-workout-metrics.proto\x12\x16'
-                     'rowing_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\x32w\n\x07Metrics'
-                     '\x12l\n\x0b\x43\x61lcMetrics\x12-.rowing_workout_metrics.WorkoutMetricsRequest'
-                     '\x1a..rowing_workout_metrics.WorkoutMetricsResponseb\x06proto3')
-)
 
 
-_WORKOUTMETRICSREQUEST = _descriptor.Descriptor(
-    name='WorkoutMetricsRequest',
-    full_name='rowing_workout_metrics.WorkoutMetricsRequest',
-    filename=None,
-    file=DESCRIPTOR,
-    containing_type=None,
-    fields=[
-        _descriptor.FieldDescriptor(
-            name='filename', full_name='rowing_workout_metrics.WorkoutMetricsRequest.filename', index=0,
-            number=1, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='sex', full_name='rowing_workout_metrics.WorkoutMetricsRequest.sex', index=1,
-            number=2, type=9, cpp_type=9, label=1,
-            has_default_value=False, default_value=_b("").decode('utf-8'),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='ftp', full_name='rowing_workout_metrics.WorkoutMetricsRequest.ftp', index=2,
-            number=3, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='hrftp', full_name='rowing_workout_metrics.WorkoutMetricsRequest.hrftp', index=3,
-            number=4, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='hrmax', full_name='rowing_workout_metrics.WorkoutMetricsRequest.hrmax', index=4,
-            number=5, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='hrmin', full_name='rowing_workout_metrics.WorkoutMetricsRequest.hrmin', index=5,
-            number=6, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-    ],
-    extensions=[
-    ],
-    nested_types=[],
-    enum_types=[
-    ],
-    serialized_options=None,
-    is_extendable=False,
-    syntax='proto3',
-    extension_ranges=[],
-    oneofs=[
-    ],
-    serialized_start=56,
-    serialized_end=168,
-)
-
-
-_WORKOUTMETRICSRESPONSE = _descriptor.Descriptor(
-    name='WorkoutMetricsResponse',
-    full_name='rowing_workout_metrics.WorkoutMetricsResponse',
-    filename=None,
-    file=DESCRIPTOR,
-    containing_type=None,
-    fields=[
-        _descriptor.FieldDescriptor(
-            name='tss', full_name='rowing_workout_metrics.WorkoutMetricsResponse.tss', index=0,
-            number=1, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='normp', full_name='rowing_workout_metrics.WorkoutMetricsResponse.normp', index=1,
-            number=2, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='trimp', full_name='rowing_workout_metrics.WorkoutMetricsResponse.trimp', index=2,
-            number=3, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='hrtss', full_name='rowing_workout_metrics.WorkoutMetricsResponse.hrtss', index=3,
-            number=4, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='normv', full_name='rowing_workout_metrics.WorkoutMetricsResponse.normv', index=4,
-            number=5, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-        _descriptor.FieldDescriptor(
-            name='normw', full_name='rowing_workout_metrics.WorkoutMetricsResponse.normw', index=5,
-            number=6, type=1, cpp_type=5, label=1,
-            has_default_value=False, default_value=float(0),
-            message_type=None, enum_type=None, containing_type=None,
-            is_extension=False, extension_scope=None,
-            serialized_options=None, file=DESCRIPTOR),
-    ],
-    extensions=[
-    ],
-    nested_types=[],
-    enum_types=[
-    ],
-    serialized_options=None,
-    is_extendable=False,
-    syntax='proto3',
-    extension_ranges=[],
-    oneofs=[
-    ],
-    serialized_start=170,
-    serialized_end=282,
-)
-
-DESCRIPTOR.message_types_by_name['WorkoutMetricsRequest'] = _WORKOUTMETRICSREQUEST
-DESCRIPTOR.message_types_by_name['WorkoutMetricsResponse'] = _WORKOUTMETRICSRESPONSE
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-
-WorkoutMetricsRequest = _reflection.GeneratedProtocolMessageType('WorkoutMetricsRequest', (_message.Message,), {
-    'DESCRIPTOR': _WORKOUTMETRICSREQUEST,
-    '__module__': 'rowing_workout_metrics_pb2'
-    # @@protoc_insertion_point(class_scope:rowing_workout_metrics.WorkoutMetricsRequest)
-})
-_sym_db.RegisterMessage(WorkoutMetricsRequest)
-
-WorkoutMetricsResponse = _reflection.GeneratedProtocolMessageType('WorkoutMetricsResponse', (_message.Message,), {
-    'DESCRIPTOR': _WORKOUTMETRICSRESPONSE,
-    '__module__': 'rowing_workout_metrics_pb2'
-    # @@protoc_insertion_point(class_scope:rowing_workout_metrics.WorkoutMetricsResponse)
-})
-_sym_db.RegisterMessage(WorkoutMetricsResponse)
-
-
-_METRICS = _descriptor.ServiceDescriptor(
-    name='Metrics',
-    full_name='rowing_workout_metrics.Metrics',
-    file=DESCRIPTOR,
-    index=0,
-    serialized_options=None,
-    serialized_start=284,
-    serialized_end=403,
-    methods=[
-        _descriptor.MethodDescriptor(
-            name='CalcMetrics',
-            full_name='rowing_workout_metrics.Metrics.CalcMetrics',
-            index=0,
-            containing_service=None,
-            input_type=_WORKOUTMETRICSREQUEST,
-            output_type=_WORKOUTMETRICSRESPONSE,
-            serialized_options=None,
-        ),
-    ])
-_sym_db.RegisterServiceDescriptor(_METRICS)
-
-DESCRIPTOR.services_by_name['Metrics'] = _METRICS
+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)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'rowing_workout_metrics_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  _globals['DESCRIPTOR']._options = None
+  _globals['DESCRIPTOR']._serialized_options = b'Z\030./rowing-workout-metrics'
+  _globals['_WORKOUTMETRICSREQUEST']._serialized_start=56
+  _globals['_WORKOUTMETRICSREQUEST']._serialized_end=168
+  _globals['_WORKOUTMETRICSRESPONSE']._serialized_start=170
+  _globals['_WORKOUTMETRICSRESPONSE']._serialized_end=282
+  _globals['_CPREQUEST']._serialized_start=284
+  _globals['_CPREQUEST']._serialized_end=345
+  _globals['_CPRESPONSE']._serialized_start=347
+  _globals['_CPRESPONSE']._serialized_end=407
+  _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 30aac7b5..4785255b 100644
--- a/rowers/rowing_workout_metrics_pb2_grpc.py
+++ b/rowers/rowing_workout_metrics_pb2_grpc.py
@@ -1,4 +1,5 @@
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
 import grpc
 
 import rowers.rowing_workout_metrics_pb2 as rowing__workout__metrics__pb2
@@ -12,13 +13,18 @@ class MetricsStub(object):
         """Constructor.
 
         Args:
-          channel: A grpc.Channel.
+            channel: A grpc.Channel.
         """
         self.CalcMetrics = channel.unary_unary(
-            '/rowing_workout_metrics.Metrics/CalcMetrics',
-            request_serializer=rowing__workout__metrics__pb2.WorkoutMetricsRequest.SerializeToString,
-            response_deserializer=rowing__workout__metrics__pb2.WorkoutMetricsResponse.FromString,
-        )
+                '/rowing_workout_metrics.Metrics/CalcMetrics',
+                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):
@@ -26,22 +32,71 @@ class MetricsServicer(object):
     """
 
     def CalcMetrics(self, request, context):
-        # missing associated documentation comment in .proto file
-        pass
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)  # pragma: no cover
-        context.set_details('Method not implemented!')  # pragma: no cover
-        raise NotImplementedError(
-            'Method not implemented!')  # pragma: no cover
+        """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 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):  # pragma: no cover
+def add_MetricsServicer_to_server(servicer, server):
     rpc_method_handlers = {
-        'CalcMetrics': grpc.unary_unary_rpc_method_handler(
-            servicer.CalcMetrics,
-            request_deserializer=rowing__workout__metrics__pb2.WorkoutMetricsRequest.FromString,
-            response_serializer=rowing__workout__metrics__pb2.WorkoutMetricsResponse.SerializeToString,
-        ),
+            'CalcMetrics': grpc.unary_unary_rpc_method_handler(
+                    servicer.CalcMetrics,
+                    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)
+            'rowing_workout_metrics.Metrics', rpc_method_handlers)
     server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Metrics(object):
+    """OTW-metrics service definition
+    """
+
+    @staticmethod
+    def CalcMetrics(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/rowing_workout_metrics.Metrics/CalcMetrics',
+            rowing__workout__metrics__pb2.WorkoutMetricsRequest.SerializeToString,
+            rowing__workout__metrics__pb2.WorkoutMetricsResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def GetCP(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        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,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/rowers/tasks.py b/rowers/tasks.py
index 388af488..6572a1dd 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -1477,7 +1477,6 @@ def handle_calctrimp(id,
         csvfile = csvfilename+'.gz'
     else:  # pragma: no cover
         return 0
-
     csvfile = os.path.abspath(csvfile)
 
     with grpc.insecure_channel(
diff --git a/rowers/utils.py b/rowers/utils.py
index 05e6e000..8ea2225b 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -342,9 +342,9 @@ 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)