diff --git a/tests/t.generic/test.generic.010.daemon.01.py b/tests/t.generic/test.generic.010.daemon.01.py
new file mode 100755
index 00000000..928a50b8
--- /dev/null
+++ b/tests/t.generic/test.generic.010.daemon.01.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import time, threading, multiprocessing
+
+def task():
+    process = multiprocessing.current_process()
+    print(f"Task: {process.daemon=}")
+    for i in range(100):
+        print(f"{i=}",flush=True)
+        time.sleep(0.1)
+
+process = multiprocessing.Process(target=task, daemon=True)
+process.start()
+
+time.sleep(10)
+
+print(f"Main Process exit...")
+
+
+
diff --git a/tests/t.generic/test.generic.010.daemon.02 copy.py b/tests/t.generic/test.generic.010.daemon.02 copy.py
new file mode 100755
index 00000000..15364ce5
--- /dev/null
+++ b/tests/t.generic/test.generic.010.daemon.02 copy.py	
@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import os,sys
+import time
+
+def daemonize(stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'):
+    """
+    Double fork-trick. For starting a posix daemon.
+
+    This forks the current process into a daemon. The stdin, stdout, and stderr
+    arguments are file names that will be opened and be used to replace the
+    standard file descriptors in sys.stdin, sys.stdout, and sys.stderr. These
+    arguments are optional and default to /dev/null. Note that stderr is opened
+    unbuffered, so if it shares a file with stdout then interleaved output may
+    not appear in the order that you expect.
+
+    Thanks to:
+    http://code.activestate.com/recipes/66012-fork-a-daemon-process-on-unix/
+    """
+    # Do first fork.
+    try:
+        pid = os.fork()
+        if pid > 0:
+            os.waitpid(pid, 0)
+            return 0  # Return 0 from first parent.
+    except OSError as e:
+        sys.stderr.write("fork #1 failed: (%d) %s\n" % (e.errno, e.strerror))
+        sys.exit(1)
+
+    # Decouple from parent environment.
+    os.chdir("/")
+    os.umask(0)
+    os.setsid()
+
+    # Do second fork.
+    try:
+        pid = os.fork()
+        if pid > 0:
+            sys.exit(0)  # Exit second parent.
+    except OSError as e:
+        sys.stderr.write("fork #2 failed: (%d) %s\n" % (e.errno, e.strerror))
+        sys.exit(1)
+
+    # Now I am a daemon!
+
+    # Redirect standard file descriptors.
+
+        # NOTE: For debugging, you meight want to take these instead of /dev/null.
+    # so = open('/tmp/log2', 'ab+')
+    # se = open('/tmp/log2', 'ab+', 0)
+
+    # si = open(stdin, 'rb')
+    # so = open(stdout, 'ab+')
+    # se = open(stderr, 'ab+', 0)
+    # os.dup2(si.fileno(), sys.stdin.fileno())
+    # os.dup2(so.fileno(), sys.stdout.fileno())
+    # os.dup2(se.fileno(), sys.stderr.fileno())
+
+    # Return 1 from daemon.
+    return 1
+
+if daemonize(stdout=sys.stdout):
+    for i in range(100):
+        print(f"{i=}",flush=True)
+        time.sleep(0.1)
+
+time.sleep(3)
+
+print(f"Main Process exit...")
+
+
+
diff --git a/tests/t.generic/test.generic.011.pickle.01.py b/tests/t.generic/test.generic.011.pickle.01.py
new file mode 100755
index 00000000..d2be019a
--- /dev/null
+++ b/tests/t.generic/test.generic.011.pickle.01.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import sys, os
+import pickle
+
+sys.path.append(os.path.join(sys.path[0],'../..'))
+import TermTk as ttk
+
+ttk.TTkLog.use_default_file_logging()
+
+root = ttk.TTk()
+
+win5 = ttk.TTkWindow(parent=root, pos = (25,10), size=(120,20), title="Test Window 5", border=True)
+win5.setLayout(ttk.TTkHBoxLayout())
+ttk.TTkLogViewer(parent=win5)
+
+def _pickle():
+    picklestring = pickle.dumps(root.getCanvas())
+    ttk.TTkLog.debug(f"{len(picklestring)=}")
+
+ttk.TTkButton(parent=root, text="Pickle").clicked.connect(_pickle)
+
+root.mainloop()
\ No newline at end of file
diff --git a/tests/t.generic/test.socket.01.client.py b/tests/t.generic/test.socket.01.client.py
new file mode 100755
index 00000000..7084d2a2
--- /dev/null
+++ b/tests/t.generic/test.socket.01.client.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socket
+import sys
+
+HOST, PORT = "localhost", 9999
+data = " ".join(sys.argv[1:])
+
+# Create a socket (SOCK_STREAM means a TCP socket)
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+    # Connect to server and send data
+    sock.connect((HOST, PORT))
+    sock.sendall(bytes(data + "\n", "utf-8"))
+
+    # Receive data from the server and shut down
+    received = str(sock.recv(1024), "utf-8")
+
+print("Sent:     {}".format(data))
+print("Received: {}".format(received))
diff --git a/tests/t.generic/test.socket.01.server.py b/tests/t.generic/test.socket.01.server.py
new file mode 100755
index 00000000..b1292b33
--- /dev/null
+++ b/tests/t.generic/test.socket.01.server.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socketserver
+
+class MyTCPHandler(socketserver.BaseRequestHandler):
+    """
+    The request handler class for our server.
+
+    It is instantiated once per connection to the server, and must
+    override the handle() method to implement communication to the
+    client.
+    """
+
+    def handle(self):
+        # self.request is the TCP socket connected to the client
+        self.data = self.request.recv(1024).strip()
+        print("{} wrote:".format(self.client_address[0]))
+        print(self.data)
+        # just send back the same data, but upper-cased
+        self.request.sendall(self.data.upper())
+
+if __name__ == "__main__":
+    HOST, PORT = "localhost", 9999
+
+    # Create the server, binding to localhost on port 9999
+    with socketserver.TCPServer((HOST, PORT), MyTCPHandler) as server:
+        # Activate the server; this will keep running until you
+        # interrupt the program with Ctrl-C
+        server.serve_forever()
+
diff --git a/tests/t.generic/test.socket.02.client.py b/tests/t.generic/test.socket.02.client.py
new file mode 100755
index 00000000..48e41f29
--- /dev/null
+++ b/tests/t.generic/test.socket.02.client.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socket
+import sys
+
+ADDR = '/tmp/pyTermTk.skt'
+data = " ".join(sys.argv[1:])
+
+# Create a socket (SOCK_STREAM means a TCP socket)
+with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as sock:
+    # Connect to server and send data
+    sock.connect(ADDR)
+    sock.sendall(bytes(data + "\n", "utf-8"))
+
+    # Receive data from the server and shut down
+    received = str(sock.recv(1024), "utf-8")
+
+print("Sent:     {}".format(data))
+print("Received: {}".format(received))
diff --git a/tests/t.generic/test.socket.02.server.py b/tests/t.generic/test.socket.02.server.py
new file mode 100755
index 00000000..24351975
--- /dev/null
+++ b/tests/t.generic/test.socket.02.server.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socketserver
+
+class MyTCPHandler(socketserver.BaseRequestHandler):
+    """
+    The request handler class for our server.
+
+    It is instantiated once per connection to the server, and must
+    override the handle() method to implement communication to the
+    client.
+    """
+
+    def handle(self):
+        # self.request is the TCP socket connected to the client
+        self.data = self.request.recv(1024).strip()
+        print("{} wrote:".format(self.client_address))
+        print(self.data)
+        # just send back the same data, but upper-cased
+        self.request.sendall(self.data.upper())
+
+if __name__ == "__main__":
+    ADDR = '/tmp/pyTermTk.skt'
+
+    # Create the server, binding to localhost on port 9999
+    with socketserver.UnixStreamServer(ADDR, MyTCPHandler) as server:
+        # Activate the server; this will keep running until you
+        # interrupt the program with Ctrl-C
+        server.serve_forever()
+
diff --git a/tests/timeit/23.pickle.01.py b/tests/timeit/23.pickle.01.py
new file mode 100755
index 00000000..39e9369f
--- /dev/null
+++ b/tests/timeit/23.pickle.01.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import sys,os
+import pickle
+
+import timeit
+import random
+
+
+sys.path.append(os.path.join(sys.path[0],'../..'))
+import TermTk as ttk
+
+# canvas = ttk.TTkCanvas(width=500,height=200)
+# cp = ttk.TTkColorDialogPicker(size=(500,200),title="Test Color Picker")
+cp = ttk.TTkWidgets.TTkPickers.colorpicker._TTkColorCanvas(size=(500,200))
+canvas = cp.getCanvas()
+cp.paintEvent(canvas)
+cp.paintChildCanvas()
+picklestring = pickle.dumps(canvas)
+
+def test1():
+    return len(pickle.dumps(canvas.serialize()))
+
+def test2():
+    return len(pickle.dumps(canvas))
+
+def test3():
+    c = pickle.loads(picklestring)
+    return c._width * c._height
+
+
+loop = 100
+
+a = {}
+
+iii = 1
+while (testName := f'test{iii}') and (testName in globals()):
+    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
+    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
+    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
+    iii+=1
+
diff --git a/tests/timeit/23.pickle.02.py b/tests/timeit/23.pickle.02.py
new file mode 100755
index 00000000..f13ee77d
--- /dev/null
+++ b/tests/timeit/23.pickle.02.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import sys,os,io
+import pickle
+
+import timeit
+import random
+
+
+sys.path.append(os.path.join(sys.path[0],'../..'))
+import TermTk as ttk
+
+class MyPickler(pickle.Pickler):
+    def reducer_override(self, obj):
+        """Custom reducer for MyClass."""
+        if issubclass(type(obj),ttk.TTkColor):
+            return type, (obj.__class__.__name__, obj.__class__.__bases__,
+                          {'_buffer': obj._buffer,
+                           '_fg':obj._fg,
+                           '_bg':obj._bg,
+                           '_mod':obj._mod,
+                           '_link':obj._link,
+                           '_clean':obj._clean,
+                           '_colorMod':obj._colorMod })
+        else:
+            return NotImplemented
+
+f = io.BytesIO()
+p = MyPickler(f)
+
+# canvas = ttk.TTkCanvas(width=500,height=200)
+# cp = ttk.TTkColorDialogPicker(size=(500,200),title="Test Color Picker")
+cp = ttk.TTkWidgets.TTkPickers.colorpicker._TTkColorCanvas(size=(500,200))
+canvas = cp.getCanvas()
+cp.paintEvent(canvas)
+cp.paintChildCanvas()
+picklestring = pickle.dumps(canvas)
+
+def test1():
+    return len(pickle.dumps(canvas))
+
+def test2():
+    return len(pickle.dumps(canvas.serialize()))
+
+def test3():
+    p.dump(canvas)
+    return len(f.getvalue())
+
+def test4():
+    c = pickle.loads(picklestring)
+    return c._width * c._height
+
+
+loop = 50
+
+a = {}
+
+iii = 1
+while (testName := f'test{iii}') and (testName in globals()):
+    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
+    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
+    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
+    iii+=1
+
diff --git a/tests/timeit/24.socket.01.client.py b/tests/timeit/24.socket.01.client.py
new file mode 100755
index 00000000..517d6906
--- /dev/null
+++ b/tests/timeit/24.socket.01.client.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socket
+import timeit
+
+ADDR = '/tmp/pyTermTk.skt'
+data = "Eugenio Parodi"
+
+sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+sock.connect(ADDR)
+
+loop = 1000
+
+def test1():
+    sock.sendall(bytes(data + "\n", "utf-8"))
+    received = str(sock.recv(1024), "utf-8")
+    return len(received)
+https://github.com/ceccopierangiolieugenio/pyTermTk/issues/210
+
+a = {}
+
+iii = 1
+while (testName := f'test{iii}') and (testName in globals()):
+    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
+    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
+    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
+    iii+=1
+
+sock.sendall(bytes('', "utf-8"))
diff --git a/tests/timeit/24.socket.01.server.py b/tests/timeit/24.socket.01.server.py
new file mode 100755
index 00000000..117c2a69
--- /dev/null
+++ b/tests/timeit/24.socket.01.server.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socketserver
+
+class MyTCPHandler(socketserver.BaseRequestHandler):
+    """
+    The request handler class for our server.
+
+    It is instantiated once per connection to the server, and must
+    override the handle() method to implement communication to the
+    client.
+    """
+
+    def handle(self):
+        while True:
+            # self.request is the TCP socket connected to the client
+            self.data = self.request.recv(1024).strip()
+            if not self.data:
+                return
+            print(len(self.data))
+            # just send back the same data, but upper-cased
+            self.request.sendall(self.data.upper())
+
+if __name__ == "__main__":
+    ADDR = '/tmp/pyTermTk.skt'
+
+    # Create the server, binding to localhost on port 9999
+    with socketserver.UnixStreamServer(ADDR, MyTCPHandler) as server:
+        # Activate the server; this will keep running until you
+        # interrupt the program with Ctrl-C
+        server.serve_forever()
+
diff --git a/tests/timeit/24.socket.02.client.py b/tests/timeit/24.socket.02.client.py
new file mode 100755
index 00000000..90c5fc0f
--- /dev/null
+++ b/tests/timeit/24.socket.02.client.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import socket
+import timeit
+
+ADDR = '/tmp/pyTermTk.skt'
+data = "Eugenio Parodi"
+
+sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+sock.connect(ADDR)
+
+loop = 1000
+
+def test1():
+    sock.sendall(bytes(data + "\n", "utf-8"))
+    received = str(sock.recv(1024), "utf-8")
+    return len(received)
+
+
+a = {}
+
+iii = 1
+while (testName := f'test{iii}') and (testName in globals()):
+    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
+    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
+    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
+    iii+=1
+
+sock.sendall(bytes('', "utf-8"))
diff --git a/tests/timeit/25.comparison.01.py b/tests/timeit/25.comparison.01.py
new file mode 100755
index 00000000..945d6454
--- /dev/null
+++ b/tests/timeit/25.comparison.01.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python3
+
+# MIT License
+#
+# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import timeit, pickle
+
+class ObjA():
+    __slots__ = ('a','b','c','d')
+    def __init__(self,a,b,c,d) -> None:
+        self.a=a
+        self.b=b
+        self.c=c
+        self.d=d
+
+class ObjA1(ObjA):
+    def __eq__(self, other):
+        if other is None: return False
+        return (
+            self.a == other.a and
+            self.b == other.b and
+            self.c == other.c and
+            self.d == other.d )
+
+class ObjA2(ObjA):
+    def __eq__(self, other):
+        if other is None: return False
+        return (
+            (self.a, self.b, self.c, self.d ) ==
+            (other.a,other.b,other.c,other.d) )
+
+class ObjA3(ObjA):
+    __slots__ = ('rec')
+    def __init__(self, a, b, c, d) -> None:
+        super().__init__(a, b, c, d)
+        self.rec = (self.a, self.b, self.c, self.d )
+    def __eq__(self, other):
+        if other is None: return False
+        return self.rec == other.rec
+
+oa1_1 = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa1_2 = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa1_3 = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa1_4 = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa2_1 = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa2_2 = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa2_3 = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa2_4 = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa3_1 = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa3_2 = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa3_3 = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+oa3_4 = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'123456789123456789123456789123456789')
+
+oa1_1d = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567891')
+oa1_2d = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567892')
+oa1_3d = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567893')
+oa1_4d = ObjA1(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567894')
+oa2_1d = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567895')
+oa2_2d = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567896')
+oa2_3d = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567897')
+oa2_4d = ObjA2(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567898')
+oa3_1d = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567895')
+oa3_2d = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567896')
+oa3_3d = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567897')
+oa3_4d = ObjA3(1,'asd123456789abcdefghijklmnopqrstuvwxyz',3.123456,'1234567891234567891234567891234567898')
+
+print(f"{len(pickle.dumps(oa1_1))=}")
+print(f"{len(pickle.dumps(oa2_1))=}")
+print(f"{len(pickle.dumps(oa3_1))=}")
+print(f"diff: {len(pickle.dumps(oa3_1))-len(pickle.dumps(oa1_1))}")
+
+def test1():  return oa1_1==oa1_1==oa1_1==oa1_1
+def test2():  return oa1_1==oa1_2==oa1_3==oa1_4
+def test3():  return oa2_1==oa2_1==oa2_1==oa2_1
+def test4():  return oa2_1==oa2_2==oa2_3==oa2_4
+def test5():  return oa3_1==oa3_1==oa3_1==oa3_1
+def test6():  return oa3_1==oa3_2==oa3_3==oa3_4
+
+def test7():  return oa1_1==oa1_1==oa1_1==oa1_1d
+def test8():  return oa1_1==oa1_2==oa1_3==oa1_4d
+def test9():  return oa2_1==oa2_1==oa2_1==oa2_1d
+def test10(): return oa2_1==oa2_2==oa2_3==oa2_4d
+def test11(): return oa3_1==oa3_1==oa3_1==oa3_1d
+def test12(): return oa3_1==oa3_2==oa3_3==oa3_4d
+
+def test13(): return oa1_1d==oa1_1==oa1_1==oa1_1
+def test14(): return oa1_1d==oa1_2==oa1_3==oa1_4
+def test15(): return oa2_1d==oa2_1==oa2_1==oa2_1
+def test16(): return oa2_1d==oa2_2==oa2_3==oa2_4
+def test17(): return oa3_1d==oa3_1==oa3_1==oa3_1
+def test18(): return oa3_1d==oa3_2==oa3_3==oa3_4
+
+
+loop = 300000
+
+a = {}
+
+iii = 1
+while (testName := f'test{iii}') and (testName in globals()):
+    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
+    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
+    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
+    iii+=1