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Date: Mon, 4 Feb 2019 22:39:55 +0200
Message-ID: <CA+hqhpfg1WZpqEMse-_KDg6aSq6ODpzkbG92o3xLwGKizci6Xw@mail.gmail.com>
To: Nikita Popov <nikita.ppv@gmail.com>
Cc: Dmitry Stogov <dmitry@zend.com>, PHP internals <internals@lists.php.net>
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [PHP-DEV] [RFC] JIT
From: weirdan@gmail.com (Bruce Weirdan)

After figuring out that opcache.jit_buffer_size is specified in bytes
(not in megabytes, as RFC states) I got ~5% speedup running
vimeo/psalm (static analyzer) on its own codebase with default
JIT flags and ~7.3% with minimal JIT (1201).

PHP+optimizer (-dopcache.jit_buffer_size=0):  32.29s  (100%)
PHP+optimizer+JIT (-dopcache.jit_buffer_size=50000000): 30.72s (95.1%)
PHP+optimizer+minimalJIT (-dopcache.jit_buffer_size=50000000
-dopcache.jit=1201): 29.95s (92.7%)