Consider enabling cross origin isolated

[rniwa]

We should consider enabling cross origin isolated in browserbench.org so that performance.now will be high precision. See https://web.dev/articles/coop-coep for details.

[rniwa]

At this point, I don't think we're doing this for v3. Perhaps v3.1?

[julienw]

Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy: require-corp

[rniwa]

Chrome 123.0.6312.107

Before

28.8 ± 1.5 28.6 ± 0.74 29.4 ± 0.70

After

28.8 ± 1.8 29.2 ± 0.70 28.8 ± 0.82

Firefox 124.0.2

Before

29.7 ± 1.8 29.0 ± 0.99 29.6 ± 0.84

After

29.4 ± 1.7 28.5 ± 0.91 29.8 ± 1.0

Safari 17.4 (19618.1.15.11.12)

Before

30.9 ± 1.3 31.0 ± 1.4 30.9 ± 1.1

After

30.7 ± 1.9 31.6 ± 1.2 31.2 ± 1.2

COOP-COEP-results.zip

[rniwa]

JetStream results

Chrome

Before

351.786 352.236 345.293

After

348.701 341.723 350.587

Firefox

Before

243.390 243.177 243.650

After

246.106 248.675 246.719

Safari

Before

355.951 363.205 364.135

After

359.015 359.251 361.544

[rniwa]

MotionMark results

Chrome

Before

5883.73 @ 60fps ±3.31% 5976.08 @ 60fps ±5.32% 5844.08 @ 60fps ±3.34%

After

5821.87 @ 60fps ±5.49 5981.02 @ 60fps ±5.12% 5876.91 @ 60fps ±3.63%

Firefox

Before

1890.53 @ 60fps ±9.10% 1942.99 @ 60fps ±2.42% 1923.33 @ 60fps ±2.21%

After

1927.66 @ 60fps ±2.15% 1945.62 @ 60fps ±6.45% 1922.74 @ 60fps ±4.08%

Safari

Before

5759.77 @ 60fps ±1.21% 5859.96 @ 60fps ±4.39% 5871.36 @ 60fps ±5.60%

After

5827.52 @ 60fps ±2.68% 5843.08 @ 60fps ±10.12% 5852.35 @ 60fps ±6.61%