fix(sanity): fix potential initial value resolution deopt

[juice49]

Description

What to review

Testing

Notes for release

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[github-actions]

No changes to documentation

[github-actions]

⚡️ Editor Performance Report

Updated Fri, 21 Mar 2025 15:03:01 GMT

Benchmark	reference latency of sanity@latest	experiment latency of this branch	Δ (%) latency difference
article (title)	22.7 efps (44ms)	24.4 efps (41ms)	-3ms (-6.8%)	✅
article (body)	75.5 efps (13ms)	69.7 efps (14ms)	+1ms (-/-%)	✅
article (string inside object)	26.3 efps (38ms)	24.4 efps (41ms)	+3ms (+7.9%)	✅
article (string inside array)	22.2 efps (45ms)	21.7 efps (46ms)	+1ms (+2.2%)	✅
recipe (name)	45.5 efps (22ms)	45.5 efps (22ms)	+0ms (-/-%)	✅
recipe (description)	47.6 efps (21ms)	50.0 efps (20ms)	-1ms (-4.8%)	✅
recipe (instructions)	99.9+ efps (5ms)	99.9+ efps (5ms)	+0ms (-/-%)	✅
synthetic (title)	18.9 efps (53ms)	19.6 efps (51ms)	-2ms (-3.8%)	✅
synthetic (string inside object)	19.0 efps (53ms)	19.6 efps (51ms)	-2ms (-2.9%)	✅

efps — editor "frames per second". The number of updates assumed to be possible within a second.

Derived from input latency. efps = 1000 / input_latency

Detailed information

🏠 Reference result

The performance result of sanity@latest

Benchmark	latency	p75	p90	p99	blocking time	test duration
article (title)	44ms	77ms	94ms	369ms	703ms	12.5s
article (body)	13ms	15ms	17ms	115ms	168ms	5.0s
article (string inside object)	38ms	40ms	43ms	49ms	40ms	6.5s
article (string inside array)	45ms	48ms	50ms	76ms	343ms	7.3s
recipe (name)	22ms	24ms	27ms	52ms	0ms	7.1s
recipe (description)	21ms	22ms	24ms	24ms	0ms	4.8s
recipe (instructions)	5ms	7ms	8ms	42ms	3ms	3.3s
synthetic (title)	53ms	56ms	66ms	321ms	863ms	12.8s
synthetic (string inside object)	53ms	55ms	58ms	240ms	917ms	8.0s

🧪 Experiment result

The performance result of this branch

Benchmark	latency	p75	p90	p99	blocking time	test duration
article (title)	41ms	48ms	67ms	359ms	670ms	11.3s
article (body)	14ms	16ms	18ms	141ms	153ms	5.2s
article (string inside object)	41ms	42ms	45ms	136ms	195ms	6.9s
article (string inside array)	46ms	47ms	53ms	64ms	169ms	7.1s
recipe (name)	22ms	24ms	26ms	32ms	0ms	7.2s
recipe (description)	20ms	22ms	23ms	39ms	0ms	4.8s
recipe (instructions)	5ms	7ms	8ms	9ms	0ms	3.1s
synthetic (title)	51ms	55ms	64ms	171ms	847ms	15.5s
synthetic (string inside object)	51ms	54ms	62ms	376ms	1145ms	8.8s

📚 Glossary

column definitions

• benchmark — the name of the test, e.g. "article", followed by the label of the field being measured, e.g. "(title)".
• latency — the time between when a key was pressed and when it was rendered. derived from a set of samples. the median (p50) is shown to show the most common latency.
• p75 — the 75th percentile of the input latency in the test run. 75% of the sampled inputs in this benchmark were processed faster than this value. this provides insight into the upper range of typical performance.
• p90 — the 90th percentile of the input latency in the test run. 90% of the sampled inputs were faster than this. this metric helps identify slower interactions that occurred less frequently during the benchmark.
• p99 — the 99th percentile of the input latency in the test run. only 1% of sampled inputs were slower than this. this represents the worst-case scenarios encountered during the benchmark, useful for identifying potential performance outliers.
• blocking time — the total time during which the main thread was blocked, preventing user input and UI updates. this metric helps identify performance bottlenecks that may cause the interface to feel unresponsive.
• test duration — how long the test run took to complete.

[github-actions]

📊 Playwright Test Report

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