diff --git a/tests/compound_job_test.py b/tests/compound_job_test.py
index 3f40a6f..569d289 100755
--- a/tests/compound_job_test.py
+++ b/tests/compound_job_test.py
@@ -68,7 +68,6 @@
 
     assert fwa.get_state() == wrench.Action.ActionState.READY, "FileWriteAction1 should be in the READY state"
 
-
     assert fwa.get_file() == file1, "FileWriteAction1 doesn't have the correct file"
     assert fwa.get_file_location() == ss1, "FileWriteAction1 doesn't have the correct file location"
     assert not fwa.uses_scratch(), "FileWriteAction1 doesn't have the correct use of scratch"
@@ -82,9 +81,10 @@
 
     assert fra.get_state() == wrench.Action.ActionState.NOT_READY, "FileReadAction1 should be in the READY state"
 
-
     assert fra.get_file() == file1, "FileReadAction1 doesn't have the correct file"
     assert fra.get_file_location() == ss1, "FileReadAction1 doesn't have the correct file location"
+    print(fra.get_num_bytes_to_read())
+    print(file1.get_size())
     assert fra.get_num_bytes_to_read() == file1.get_size(), "FileReadAction1 doesn't have the correct number of bytes"
     assert not fra.uses_scratch(), "FileReadAction1 doesn't have the correct use of scratch"
 
diff --git a/wrench/cloud_compute_service.py b/wrench/cloud_compute_service.py
index 850d18a..fb9257e 100644
--- a/wrench/cloud_compute_service.py
+++ b/wrench/cloud_compute_service.py
@@ -28,15 +28,15 @@ def __init__(self, simulation, name: str) -> None:
         """
         super().__init__(simulation, name)
 
-    def create_vm(self, num_cores: int, ram_memory: float, property_list: dict[str, str],
-                  message_payload_list: dict[str, float]) -> VirtualMachine:
+    def create_vm(self, num_cores: int, ram_memory: int, property_list: dict[str, str],
+                  message_payload_list: dict[str, int]) -> VirtualMachine:
         """
         Create a new virtual machine instance on the compute service
 
         :param num_cores: number of cores in the virtual machine
         :type num_cores: int
         :param ram_memory: RAM size in bytes
-        :type ram_memory: float
+        :type ram_memory: int
         :param property_list: a property list ({} means “use all defaults”)
         :type property_list: dict
         :param message_payload_list: a message payload list ({} means “use all defaults”)
diff --git a/wrench/compound_job.py b/wrench/compound_job.py
index f7d1566..a012116 100644
--- a/wrench/compound_job.py
+++ b/wrench/compound_job.py
@@ -53,7 +53,7 @@ def get_actions(self) -> List[Action]:
         """
         return self.actions
 
-    def add_compute_action(self, name: str, flops: float, ram: float,
+    def add_compute_action(self, name: str, flops: float, ram: int,
                            max_num_cores: int, min_num_cores: int, parallel_model: Tuple[str, float]) -> ComputeAction:
         """
         Add a sleep action to the compound job
@@ -63,7 +63,7 @@ def add_compute_action(self, name: str, flops: float, ram: float,
         :param flops: flops associated with this action
         :type flops: float
         :param ram: minimum amount of ram needed
-        :type ram: float
+        :type ram: int
         :param min_num_cores: minimum amount of cores this action needs
         :type min_num_cores: int
         :param max_num_cores: maximum amount of cores this action can use
@@ -119,7 +119,7 @@ def add_file_write_action(self, name: str, file: File, storage_service: StorageS
         return self._simulation._add_file_write_action(self, name, file, storage_service)
 
     def add_file_read_action(self, name: str, file: File, storage_service: StorageService,
-                             num_bytes_to_read=0.0) -> FileReadAction:
+                             num_bytes_to_read: int = 0) -> FileReadAction:
         """
         Add a file write action to the compound job
 
@@ -130,7 +130,7 @@ def add_file_read_action(self, name: str, file: File, storage_service: StorageSe
         :param storage_service: storage service to write the file to
         :type storage_service: StorageService
         :param num_bytes_to_read: number of bytes to read in file
-        :type num_bytes_to_read: float
+        :type num_bytes_to_read: int
         """
         return self._simulation._add_file_read_action(self, name, file, storage_service, num_bytes_to_read)
 
diff --git a/wrench/compute_action.py b/wrench/compute_action.py
index ae5512f..66bbd42 100644
--- a/wrench/compute_action.py
+++ b/wrench/compute_action.py
@@ -17,7 +17,7 @@ class ComputeAction(Action):
     WRENCH Action class
     """
 
-    def __init__(self, simulation, compound_job: CompoundJob, name: str, flops: float, ram: float, min_num_cores: int,
+    def __init__(self, simulation, compound_job: CompoundJob, name: str, flops: float, ram: int, min_num_cores: int,
                  max_num_cores: int, parallel_model: tuple) -> None:
         """
         Constructor
@@ -30,7 +30,7 @@ def __init__(self, simulation, compound_job: CompoundJob, name: str, flops: floa
         :param flops: amount of flops this action has
         :type flops: float
         :param ram: minimum amount of ram this action needs
-        :type ram: float
+        :type ram: int
         :param min_num_cores: minimum amount of cores this action needs
         :type min_num_cores: int
         :param max_num_cores: maximum amount of cores this action can use
@@ -72,12 +72,12 @@ def get_min_num_cores(self) -> int:
         """
         return self.min_num_cores
 
-    def get_min_ram_footprint(self) -> float:
+    def get_min_ram_footprint(self) -> int:
         """
         Minimum amount of ram needed for this action
 
         :return: Minimum amount of ram needed
-        :rtype: float
+        :rtype: int
         """
         return self.ram
 
diff --git a/wrench/file_read_action.py b/wrench/file_read_action.py
index 054622c..9832c47 100644
--- a/wrench/file_read_action.py
+++ b/wrench/file_read_action.py
@@ -18,7 +18,7 @@ class FileReadAction(Action):
     """
 
     def __init__(self, simulation, compound_job: CompoundJob, name: str, file: File, storage_service: StorageService,
-                 num_bytes_to_read: float, uses_scratch: bool) -> None:
+                 num_bytes_to_read: int, uses_scratch: bool) -> None:
         """
         Constructor
         :param simulation: simulation object
@@ -32,7 +32,7 @@ def __init__(self, simulation, compound_job: CompoundJob, name: str, file: File,
         :param storage_service: storage service containing file
         :type storage_service: StorageService
         :param num_bytes_to_read: number of bytes to read
-        :type num_bytes_to_read: float
+        :type num_bytes_to_read: int
         :param uses_scratch: whether action uses scratch
         :type uses_scratch: bool
         """
@@ -61,11 +61,11 @@ def get_file_location(self) -> StorageService:
         """
         return self.storage_service
 
-    def get_num_bytes_to_read(self) -> float:
+    def get_num_bytes_to_read(self) -> int:
         """
         Get number of bytes to read from file
-        :return: amount of bytes being read
-        :rtype: float
+        :return: number of bytes being read
+        :rtype: int
         """
         return self.num_bytes_to_read
 
diff --git a/wrench/simulation.py b/wrench/simulation.py
index 3183278..52f4e18 100644
--- a/wrench/simulation.py
+++ b/wrench/simulation.py
@@ -298,10 +298,10 @@ def get_simulated_time(self) -> float:
         return response["time"]
 
     def create_bare_metal_compute_service(self, hostname: str,
-                                          resources: dict[str, [int, float]],
+                                          resources: dict[str, [int, int]],
                                           scratch_space: str,
                                           property_list: dict[str, str],
-                                          message_payload_list: dict[str, float]) -> BareMetalComputeService:
+                                          message_payload_list: dict[str, int]) -> BareMetalComputeService:
         """
         Create a bare metal compute service
 
@@ -467,7 +467,7 @@ def get_all_hostnames(self) -> List[str]:
 
     def create_workflow_from_json(self, json_object: json, reference_flop_rate: str, ignore_machine_specs: bool,
                                   redundant_dependencies: bool, ignore_cycle_creating_dependencies: bool,
-                                  min_cores_per_task: float, max_cores_per_task: float, enforce_num_cores: bool,
+                                  min_cores_per_task: int, max_cores_per_task: int, enforce_num_cores: bool,
                                   ignore_avg_cpu: bool, show_warnings: bool) -> Workflow:
         """
         Create a workflow from a JSON file
@@ -482,10 +482,10 @@ def create_workflow_from_json(self, json_object: json, reference_flop_rate: str,
         :type redundant_dependencies: bool
         :param ignore_cycle_creating_dependencies: whether to ignore cycles when creating task dependencies
         :type ignore_cycle_creating_dependencies: bool
-        :param min_cores_per_task: the minimum cores for a task if not specified in the JSON
-        :type min_cores_per_task: float
-        :param max_cores_per_task: the maximum cores for a task if not specified in the JSON
-        :type max_cores_per_task: float
+        :param min_cores_per_task: the minimum number of cores for a task if not specified in the JSON
+        :type min_cores_per_task: int
+        :param max_cores_per_task: the maximum number of cores for a task if not specified in the JSON
+        :type max_cores_per_task: int
         :param enforce_num_cores: whether to enforce the number of cores for a task even if specified in the JSON
         :type enforce_num_cores: bool
         :param ignore_avg_cpu: whether to ignore the average CPU time information in the JSON to compute
@@ -808,14 +808,14 @@ def _task_get_max_num_cores(self, task: Task) -> int:
             return response["max_num_cores"]
         raise WRENCHException(response["failure_cause"])
 
-    def _task_get_memory(self, task: Task) -> float:
+    def _task_get_memory(self, task: Task) -> int:
         """
-        Get the task's memory requirement
+        Get the task's memory requirement in bytes
         :param task: the task
         :type task: Task
 
         :return: a memory footprint in bytes
-        :rtype: float
+        :rtype: int
 
         :raises WRENCHException: if there is any error in the response
         """
@@ -829,7 +829,7 @@ def _task_get_memory(self, task: Task) -> float:
             return response["memory"]
         raise WRENCHException(response["failure_cause"])
 
-    def _task_get_number_of_children(self, task: Task) -> float:
+    def _task_get_number_of_children(self, task: Task) -> int:
         """
         Get the task's number of children
         :param task: the task
@@ -850,7 +850,7 @@ def _task_get_number_of_children(self, task: Task) -> float:
             return response["number_of_children"]
         raise WRENCHException(response["failure_cause"])
 
-    def _task_get_bottom_level(self, task: Task) -> float:
+    def _task_get_bottom_level(self, task: Task) -> int:
         """
         Get the task's bottom-level
         :param task: the task
@@ -913,7 +913,7 @@ def _task_get_end_date(self, task: Task) -> float:
             return response["time"]
         raise WRENCHException(response["failure_cause"])
 
-    def _add_compute_action(self, compound_job: CompoundJob, name: str, flops: float, ram: float,
+    def _add_compute_action(self, compound_job: CompoundJob, name: str, flops: float, ram: int,
                             max_num_cores: int, min_num_cores: int, parallel_model: tuple) -> Action:
         """
         Add a compute action
@@ -924,8 +924,8 @@ def _add_compute_action(self, compound_job: CompoundJob, name: str, flops: float
         :type name: str
         :param flops: number of flops this action has
         :type flops: float
-        :param ram: amount of ram this action has
-        :type ram: float
+        :param ram: amount of ram this action has in bytes
+        :type ram: int
         :param max_num_cores: maximum number of cores this action can have
         :type max_num_cores: long
         :param min_num_cores: minimum number of cores this action can have
@@ -1076,7 +1076,7 @@ def _add_file_write_action(self, compound_job: CompoundJob, name: str, file: Fil
         raise WRENCHException(response["failure_cause"])
 
     def _add_file_read_action(self, compound_job: CompoundJob, name: str, file: File, storage_service: StorageService,
-                              num_bytes_to_read: float) -> Action:
+                              num_bytes_to_read: int) -> Action:
         """
         Add a file read action
         :param compound_job: the action's compound job
@@ -1088,7 +1088,7 @@ def _add_file_read_action(self, compound_job: CompoundJob, name: str, file: File
         :param storage_service: the storage service the file is stored in
         :type storage_service: StorageService
         :param num_bytes_to_read: the number of bytes to read from the file
-        :type num_bytes_to_read: float
+        :type num_bytes_to_read: int
         :return: the action name
         :rtype: Action
 
@@ -1283,9 +1283,9 @@ def _add_parent_job(self, compound_job: CompoundJob, parent_compound_job: Compou
     def _create_vm(self,
                    service: CloudComputeService,
                    num_cores: int,
-                   ram_memory: float,
+                   ram_memory: int,
                    property_list: dict[str, str],
-                   message_payload_list: dict[str, float]) -> VirtualMachine:
+                   message_payload_list: dict[str, int]) -> VirtualMachine:
         """
         Create a VM instance
         :param service: the cloud compute service
@@ -1293,7 +1293,7 @@ def _create_vm(self,
         :param num_cores: the number of cores for the VM
         :type num_cores: int
         :param ram_memory: the VM’s RAM memory_manager_service capacity
-        :type ram_memory: float
+        :type ram_memory: int
         :param property_list: a property list for the CloudComputeService that will run on the VM
                ({} means “use all defaults”)
         :type property_list: dict
@@ -1522,7 +1522,7 @@ def _get_core_flop_rates(self, cs: ComputeService) -> Dict[str, float]:
             to_return[response["hostnames"][i]] = response["flop_rates"][i]
         return to_return
 
-    def _get_core_counts(self, cs: ComputeService) -> Dict[str, float]:
+    def _get_core_counts(self, cs: ComputeService) -> Dict[str, int]:
         """
         Get the map of core counts, keyed by host name
         :param cs: the compute service
@@ -1541,7 +1541,7 @@ def _get_core_counts(self, cs: ComputeService) -> Dict[str, float]:
         return to_return
 
     def _workflow_create_task(self, workflow: Workflow, name: str, flops: float, min_num_cores: int, max_num_cores: int,
-                              memory: float) -> Task:
+                              memory: int) -> Task:
         """
         Add a task to the workflow
         :param workflow: the workflow
@@ -1555,7 +1555,7 @@ def _workflow_create_task(self, workflow: Workflow, name: str, flops: float, min
         :param max_num_cores: maximum number of cores
         :type max_num_cores: int
         :param memory: memory requirement in bytes
-        :type memory: float
+        :type memory: int
 
         :return: A task object
         :rtype: Task
diff --git a/wrench/task.py b/wrench/task.py
index 234e466..7a59855 100644
--- a/wrench/task.py
+++ b/wrench/task.py
@@ -117,11 +117,11 @@ def get_max_num_cores(self) -> int:
         """
         return self._simulation._task_get_max_num_cores(self)
 
-    def get_memory(self) -> float:
+    def get_memory(self) -> int:
         """
         Get the task's memory requirement
         :return: A memory size in bytes
-        :rtype: float
+        :rtype: int
         """
         return self._simulation._task_get_memory(self)
 
diff --git a/wrench/workflow.py b/wrench/workflow.py
index bb4c62e..563be07 100644
--- a/wrench/workflow.py
+++ b/wrench/workflow.py
@@ -38,7 +38,7 @@ def __init__(self, simulation: Simulation, name: str) -> None:
         self.tasks = {}
         super().__init__(simulation, name)
 
-    def add_task(self, name: str, flops: float, min_num_cores: int, max_num_cores: int, memory: float) -> Task:
+    def add_task(self, name: str, flops: float, min_num_cores: int, max_num_cores: int, memory: int) -> Task:
         """
         Add a task to the workflow
 
@@ -51,7 +51,7 @@ def add_task(self, name: str, flops: float, min_num_cores: int, max_num_cores: i
         :param max_num_cores: maximum number of cores
         :type max_num_cores: int
         :param memory: memory requirement in bytes
-        :type memory: float
+        :type memory: int
 
         :return: A task object
         :rtype: Task