successully implemented TDA

.devcontainer/Dockerfile

@@ -1,21 +0,0 @@
-# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.241.1/containers/python-3/.devcontainer/base.Dockerfile
-
-# [Choice] Python version (use -bullseye variants on local arm64/Apple Silicon): 3, 3.10, 3.9, 3.8, 3.7, 3.6, 3-bullseye, 3.10-bullseye, 3.9-bullseye, 3.8-bullseye, 3.7-bullseye, 3.6-bullseye, 3-buster, 3.10-buster, 3.9-buster, 3.8-buster, 3.7-buster, 3.6-buster
-ARG VARIANT="3.10-bullseye"
-FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
-
-# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
-ARG NODE_VERSION="none"
-RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
-
-# [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
- COPY requirements.txt /tmp/pip-tmp/
- RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
-    && rm -rf /tmp/pip-tmp
-
-# [Optional] Uncomment this section to install additional OS packages.
-# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
-
-# [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

@@ -1,58 +0,0 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.241.1/containers/python-3
-{
-	"name": "Python 3",
-	"build": {
-		"dockerfile": "Dockerfile",
-		"context": "..",
-		"args": { 
-			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
-			// Append -bullseye or -buster to pin to an OS version.
-			// Use -bullseye variants on local on arm64/Apple Silicon.
-			"VARIANT": "3.10-bullseye",
-			// Options
-			"NODE_VERSION": "lts/*"
-		}
-	},
-
-	// Configure tool-specific properties.
-	"customizations": {
-		// Configure properties specific to VS Code.
-		"vscode": {
-			// Set *default* container specific settings.json values on container create.
-			"settings": { 
-				"python.defaultInterpreterPath": "/usr/local/bin/python",
-				"python.linting.enabled": true,
-				"python.linting.pylintEnabled": true,
-				"python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
-				"python.formatting.blackPath": "/usr/local/py-utils/bin/black",
-				"python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
-				"python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
-				"python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
-				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
-				"python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
-				"python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
-				"python.linting.pylintPath": "/usr/local/py-utils/bin/pylint"
-			},
-			
-			// Add the IDs of extensions you want installed when the container is created.
-			"extensions": [
-				"ms-python.python",
-				"ms-python.vscode-pylance"
-			]
-		}
-	},
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "pip3 install --user -r requirements.txt",
-
-	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode",
-	"features": {
-		"git": "latest",
-		"fish": "latest"
-	}
-}

requirements.txt

@@ -1,3 +0,0 @@
-argparse
-numpy
-tabulate

schedTests/HyperbolicBound.py

@@ -12,11 +12,15 @@ import include.TasksHelper as TH
 # C_i is accessed as: tasks[i][2]
 # The number of tasks can be accessed as: tasks.shape[0]
 
+
 #The sufficient Test for the Hyperbolic bound
 def test(tasks):
-
-    #####################
-    #YOUR CODE GOES HERE#
-    #####################
-
-    return False
+    """ The Hyperbolic bound is given as Π(U + 1) of all tasks: """
+    # compute the hyperbolic bound as product of the U_factor of each task + 1
+    hb = 1
+    for i in range(tasks.shape[0]): # len(tasks) is 10
+        hb *= (TH.C_i(tasks, i) / TH.P_i(tasks, i)) + 1
+    # compare this computed bound to 2.0
+    # if greater then no guaranty of schedulability
+    # otherwise task set is schedulable
+    return hb <= 2.0

schedTests/LiuAndLaylandBound.py

@@ -14,9 +14,14 @@ import include.TasksHelper as TH
 
 #The necessary Test for the Liu and Layland Bound
 def test(tasks):
+    n = tasks.shape[0]
+    U = TH.getTotalUtilization(tasks=tasks, NrTasks=n)
+    U_lub = n * ((2 ** (1 / n)) - 1)
     
-    #####################
-    #YOUR CODE GOES HERE#
-    #####################
+    # for fewer tasks than 10, we use the exact computed least upper bound
+   #  if n < 10:
+   #     return U <= U_lub
+
+    # from 10 tasks up unlimited, we use the limes of n(2 ** 1/n - 1)
+    return U <= U_lub # np.log(2) 
 
-    return False

schedTests/TimeDemandAnalysis.py

@@ -14,14 +14,38 @@ import include.TasksHelper as TH
 # The number of tasks can be accessed as: tasks.shape[0]
 
 # The Time Demand Analysis Test
+set_num = 0
+
 def test(tasks):
     # Sorting Taskset by Period/Deadline
     # This makes implementing TDA a lot easier
     shape = tasks.shape
     sortedtasks = tasks[tasks[:, 0].argsort()]
     
-    #####################
-    #YOUR CODE GOES HERE#
-    #####################
+    # For each tasks in the ordered set
 
-    return False
+    # calculate the time points for the demand function
+    t_old = 10**-3
+    i = 0
+
+    while True:
+        t_new = workload_func(sortedtasks, i, t_old)
+        # if the workload of task i exceeds the deadline
+        if t_new > TH.D_i(sortedtasks, i):
+            return False # task not schedulable
+
+        if t_new == t_old:
+            i += 1
+            t_old = 10**-3
+            #  chech array out of bounds
+            if i == len(sortedtasks):
+                return True
+        t_old = t_new
+    
+
+
+def workload_func(tasks, i, t):
+    sum = 0
+    for k in range(i):
+        sum += math.ceil(t / TH.P_i(tasks, k)) * TH.C_i(tasks, k)
+    return TH.C_i(tasks, i) + sum