test.php

<?php

$USERNAME = "q";
$PASSWORD = "q";

function get_response($URL, $context) {
 if(!function_exists('curl_init')) {
 die ("Curl PHP package not installed\n");
 }

 /*Initializing CURL*/
 $curlHandle = curl_init();

 /*The URL to be downloaded is set*/
 curl_setopt($curlHandle, CURLOPT_URL, $URL);
 curl_setopt($curlHandle, CURLOPT_HEADER, false);
 curl_setopt($curlHandle, CURLOPT_POSTFIELDS, $context);
 curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true);

 /*Now execute the CURL, download the URL specified*/
 $response = curl_exec($curlHandle);
 return $response;
}

function upload_file($id) {
	global $USERNAME, $PASSWORD;
	$name = "test-${id}M.mpg";

	$args = array(
		0,
		$USERNAME,
		$PASSWORD,
		array(
			'type' => 'video/mpeg',
			'name' => $name,
			'bits' => base64_encode( file_get_contents( $name ) )
		)
	);
  $request = xmlrpc_encode_request("wp.testUpload", $args);
	$before = microtime(true);
  $xmlresponse = get_response("http://andy.local/xmlrpc.php", $request);
  $response = xmlrpc_decode($xmlresponse);
	$mem = $response['mem'];
	$time = microtime(true) - $before;
	echo $id . ',' . $time . "\n";
}

$ids = array(1,2,5,10,50,100,200);
foreach ( $ids as $id ) {
	upload_file( $id );
}

?>