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Improve jit tests #12425
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Improve jit tests #12425
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@@ -0,0 +1,37 @@ | ||
<?php | ||
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register_shutdown_function(function () { | ||
$status = opcache_get_status(false); | ||
var_dump($status); | ||
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$ok = true; | ||
if ($status["memory_usage"]["free_memory"] < 10*1024*1024) { | ||
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echo "Not enough free opcache memory!".PHP_EOL; | ||
$ok = false; | ||
} | ||
if ($status["interned_strings_usage"]["free_memory"] < 1*1024*1024) { | ||
echo "Not enough free interned strings memory!".PHP_EOL; | ||
$ok = false; | ||
} | ||
if ($status["jit"]["buffer_free"] < 10*1024*1024) { | ||
echo "Not enough free JIT memory!".PHP_EOL; | ||
$ok = false; | ||
} | ||
if (!$status["jit"]["on"]) { | ||
echo "JIT is not enabled!".PHP_EOL; | ||
$ok = false; | ||
} | ||
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unset($status); | ||
gc_collect_cycles(); | ||
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if (!$ok) die(130); | ||
}); | ||
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$argc--; | ||
array_shift($argv); | ||
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$_SERVER['argc']--; | ||
array_shift($_SERVER['argv']); | ||
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require $argv[0]; |
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@@ -305,6 +305,12 @@ function main(): void | |
'opcache.jit_hot_func=1', | ||
'opcache.jit_hot_return=1', | ||
'opcache.jit_hot_side_exit=1', | ||
'opcache.jit_max_root_traces=100000', | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Do we actually need this? Tests are small, it's unlikely we're hitting There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I'd like to use the same parameters everywhere, to avoid hitting any limit and not compiling any trace, in case the unit tests were to include some bigger integration tests in the future. There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. This setting may disable some tests in case they set a small There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. @dstogov Updated the jit_buffer_size to be the same in all tests. |
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'opcache.jit_max_side_traces=100000', | ||
'opcache.jit_max_exit_counters=100000', | ||
'opcache.jit_blacklist_root_trace=255', | ||
'opcache.jit_blacklist_side_trace=255', | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I didn't understand the intention to increase "blacklist" settings. This will delay tracing JIT and actually disable JIT-ing for some tests. There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. @dstogov Could you clarify a bit? Looking at the logic in zend_jit_trace_is_bad_root, it seemed to me that the higher the blacklist value, the less likely it is for a given trace to be blacklisted; by increasing the value, if the same trace errors out N-2 times, but then at the N-1th time gets compiled successfully, and N is the maximum allowed value (255), this should lead to an overall increase in the number of compiled traces; am I missing anything, and if yes, mind also updating the docs to clarify it a bit? :) There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. If I remember correctly, in some cases blacklisting of one traces may open the possibility to record and compile other traces. There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Hmm, ok then, reverted! |
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'opcache.protect_memory=1', | ||
'zend.assertions=1', | ||
'zend.exception_ignore_args=0', | ||
'zend.exception_string_param_max_len=15', | ||
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