add ipc buffer class

Author: keenan-simpson

cuda_core/tests/test_memory.py

@@ -287,9 +287,6 @@ def test_mempool():
     buffer.close()
 
 
-import sys  # noqa: E402
-
-
 def mempool_child_process(importer, queue):
     try:
         device = Device()
@@ -320,8 +317,7 @@ def mempool_child_process(importer, queue):
         # Verify the data matches expected pattern
         verify_ptr = ctypes.cast(int(verify_buffer.handle), ctypes.POINTER(ctypes.c_byte))
         for i in range(64):
-            sys.stderr.write(f"[{verify_ptr[i]}, {ctypes.c_byte(i)}] ")
-            assert verify_ptr[i] == i, f"Data mismatch at index {i}"
+            assert ctypes.c_byte(verify_ptr[i]).value == ctypes.c_byte(i).value, f"Data mismatch at index {i}"
 
         # Write new pattern to the buffer using unified memory
         src_buffer = unified_mr.allocate(64)