[ndossche]

• Factor out jit_called_scope()
  This includes the fix for Fix JIT losing the called scope of self::/parent:: calls in included files #25041.
• Implement fast-path static:: property access in JIT

[github-actions]

AWS x86_64 (c6id.metal)

Attribute	Value
Environment	aws
Instance type	c6id.metal
Architecture	x86_64
CPU	Intel(R) Xeon(R) Platinum 8375C CPU @ 2.90GHz, 64 cores @ 2900 MHz
CPU settings	disabled deeper C-states, disabled turbo boost, disabled hyper-threading
RAM	251 GB
Kernel	6.18.56-125.164.amzn2023.x86_64
OS	Amazon Linux 2023.12.20261026
GCC	14.2.1
Binary layout strategy	bolt-align
Time	2026-10-29 20:22:55 UTC
Job details	https://github.com/php/php-src/actions/runs/40948472267 (Artifacts)
Changeset	https://github.com/php/php-src/compare/ed255aed9e..9178d22367

Laravel 12.11.0 demo app - 50 iterations, 50 warmups, 100 requests (sec)

PHP	Min	Max	Std dev	Rel std dev %	Mean	Mean diff %	Median	Median diff %	Skewness	Z-stat	P-value	Memory
PHP - baseline@ed255ae	0.37907	0.37974	0.00015	0.04%	0.37941	0.00%	0.37943	0.00%	-0.059	0.000	1.000	31.33 MB
PHP - baseline@ed255ae (JIT)	0.35538	0.35644	0.00025	0.07%	0.35578	-6.23%	0.35574	-6.24%	0.668	8.614	0.000	31.38 MB
PHP - jit-static-prop	0.37934	0.38135	0.00031	0.08%	0.37975	0.09%	0.37968	0.07%	3.152	-6.970	0.000	31.32 MB
PHP - jit-static-prop (JIT)	0.35182	0.35266	0.00022	0.06%	0.35215	-7.18%	0.35211	-7.20%	0.616	8.614	0.000	31.79 MB

Symfony 2.8.0 demo app - 50 iterations, 50 warmups, 100 requests (sec)

PHP	Min	Max	Std dev	Rel std dev %	Mean	Mean diff %	Median	Median diff %	Skewness	Z-stat	P-value	Memory
PHP - baseline@ed255ae	0.68830	0.69259	0.00062	0.09%	0.68910	0.00%	0.68902	0.00%	3.799	0.000	1.000	31.80 MB
PHP - baseline@ed255ae (JIT)	0.65073	0.65276	0.00041	0.06%	0.65131	-5.48%	0.65125	-5.48%	1.259	8.614	0.000	31.85 MB
PHP - jit-static-prop	0.68853	0.69052	0.00039	0.06%	0.68917	0.01%	0.68910	0.01%	1.207	-1.424	0.155	31.78 MB
PHP - jit-static-prop (JIT)	0.65060	0.65254	0.00046	0.07%	0.65126	-5.49%	0.65112	-5.50%	1.000	8.614	0.000	31.79 MB

Wordpress 6.9 main page - 50 iterations, 20 warmups, 20 requests (sec)

PHP	Min	Max	Std dev	Rel std dev %	Mean	Mean diff %	Median	Median diff %	Skewness	Z-stat	P-value	Memory
PHP - baseline@ed255ae	0.59772	0.59932	0.00040	0.07%	0.59829	0.00%	0.59820	0.00%	0.870	0.000	1.000	31.78 MB
PHP - baseline@ed255ae (JIT)	0.52403	0.52611	0.00043	0.08%	0.52461	-12.31%	0.52451	-12.32%	1.453	8.614	0.000	31.83 MB
PHP - jit-static-prop	0.59819	0.60060	0.00044	0.07%	0.59873	0.07%	0.59863	0.07%	2.265	-5.129	0.000	31.76 MB
PHP - jit-static-prop (JIT)	0.52294	0.52680	0.00057	0.11%	0.52394	-12.43%	0.52380	-12.44%	2.898	8.614	0.000	31.83 MB

bench.php - 50 iterations, 20 warmups, 2 requests (sec)

PHP	Min	Max	Std dev	Rel std dev %	Mean	Mean diff %	Median	Median diff %	Skewness	Z-stat	P-value	Memory
PHP - baseline@ed255ae	0.45159	0.45459	0.00063	0.14%	0.45331	0.00%	0.45335	0.00%	-0.264	0.000	1.000	31.79 MB
PHP - baseline@ed255ae (JIT)	0.14378	0.14417	0.00009	0.06%	0.14397	-68.24%	0.14396	-68.24%	0.021	8.614	0.000	31.85 MB
PHP - jit-static-prop	0.45285	0.45493	0.00053	0.12%	0.45377	0.10%	0.45364	0.06%	0.309	-3.523	0.000	31.78 MB
PHP - jit-static-prop (JIT)	0.14371	0.14413	0.00010	0.07%	0.14395	-68.25%	0.14395	-68.25%	-0.083	8.614	0.000	31.85 MB

[ndossche]

So the bolt-align based bench shows a surprising improvement. Of course that's the most optimistic case.
Another future simple step would be to support static:: in calls.

[mvorisek]

I do not see any test - is there any way, like opcache dump, to dump the JIT and unit test this?