0003297: hash_hmac() is slow

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Category

Severity

Reproducibility

Date Submitted

Last Update

0003297

[Quercus]

major

always

01-26-09 14:06

01-29-09 14:42

Reporter

koreth

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Platform

Status

closed

Projection

none

OS Version

ETA

none

Fixed in Version

4.0.0

Product Version

4.0.0

Product Build

Summary

0003297: hash_hmac() is slow

Description

<?php
$message = str_repeat('x', 1000);
$key = base64_decode("NMvhzq3jlze/4WlyuRXQ5w==");
$hash_key = base64_decode("CdMQm0q6JeUgalXRwQQZ1h/8WQA7fJh1OuY0xuZooxQ=");
$start = microtime(true);
for ($idx=0; $idx < 10000; $idx++) {
$hash_val = hash_hmac('md5', $message, $hash_key, true);
}
print microtime(true) - $start;

This reports a run time of about 75ms under Zend PHP and about 610ms under Quercus in compiled mode (after repeated reloads to make sure the JVM has properly compiled everything.)

Steps To Reproduce

Additional Information

Attached Files

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Notes
(0003786) ferg 01-29-09 14:42	With the improved performance, Quercus is still slower (by 2x on my system). The time is mostly spent inside the crypto routines. This may be a case where Java is just slower than C for highly numerical calculations.

Issue History
Date Modified	Username	Field	Change
01-26-09 14:06	koreth	New Issue
01-29-09 14:42	ferg	Note Added: 0003786
01-29-09 14:42	ferg	Assigned To	=> ferg
01-29-09 14:42	ferg	Status	new => closed
01-29-09 14:42	ferg	Resolution	open => fixed
01-29-09 14:42	ferg	Fixed in Version	=> 4.0.0

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