@@ -752,11 +752,14 @@ class S3(object):

     def send_file_multipart(self, file, headers, uri, size):

         chunk_size = self.config.multipart_chunk_size_mb * 1024 * 1024

+        timestamp_start = time.time()

         upload = MultiPartUpload(self, file, uri, headers)

         upload.upload_all_parts()

         response = upload.complete_multipart_upload()

-        response["speed"] = 0 # XXX

+        timestamp_end = time.time()

+        response["elapsed"] = timestamp_end - timestamp_start

         response["size"] = size

+        response["speed"] = response["elapsed"] and float(response["size"]) / response["elapsed"] or float(-1)

         return response

     def recv_file(self, request, stream, labels, start_position = 0, retries = _max_retries):