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EXP_panvk_rp4pro_lab17f vs panvk_faux123_rp4pro_v0.14.0

On Mali-G77 (Infinix GT 10 Pro, Redmi K40 Gaming, Redmi Note 10 Pro, Retroid Pocket 4 Pro, Samsung Galaxy Note20 Ultra, Samsung Galaxy S20 Ultra 5G). The first driver named is compared against the second, which is the baseline.

Stockpanvk_faux123_rp4pro_v0.14.0Mesa 26.3.0-devel (git-e8ddb4e9e7)

CustomEXP_panvk_rp4pro_lab17fMesa 26.3.0-devel (git-eadd5fabd8)

Graphics system version (Vulkan)1.3.354 to 1.3.354

Optional features (extensions)166 to 166+0 -0

Features that pass their check (validated)49 to 49both pass the same checks

Speed test scenes (benchmark)1 faster 0 slower 4 even0% faster overall (geometric mean)

Games each driver could run (an estimate from its feature list): green likely, yellow maybe, orange limited, red no

StockDX92002+DX102006+DX112009+DX122015+Switch

CustomDX92002+DX102006+DX112009+DX122015+Switch

compute_nbody2% slower
hdr_2160p0% slower
oit_linked_lists2% faster
pipeline_barriers0% slower
subpasses0% faster

Custom driver against stock, per scene. Bars to the right are faster, to the left slower.

Small areas of the picture differ from the stock driver in 1 scene (pipeline_barriers: 1440 of 2304 cells). The picture matches overall, so this is a local rendering fault, not a different scene.

panvk_faux123_rp4pro_v0.14.0 details EXP_panvk_rp4pro_lab17f details

Feature checks that differ (0)

Every feature check ends the same way on both drivers.

Speed test scenes (benchmark)

Scene	panvk_faux123_rp4pro_v0.14.0 ms	EXP_panvk_rp4pro_lab17f ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	16.18 typical 15.79	16.47 typical 16.04	2% slower	3 of 3 vs 3 of 3	829 vs 827	no large difference 0.0 no small difference worst 0.0 64x36
hdr_2160p	42.12 typical 42.00	42.14 typical 42.04	0% slower	? vs 3 of 3	? vs 836 clock unknown	not checked
oit_linked_lists	24.28 typical 24.25	23.72 typical 23.69	2% faster	3 of 3 vs 3 of 3	836 vs 836	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	10.67 typical 10.77	10.67 typical 10.80	0% slower	3 of 3 vs 3 of 3	836 vs 836	no large difference 9.4 differs in 1440 small areas worst 78.3 64x36
subpasses	19.48 typical 19.46	19.45 typical 19.47	0% faster	3 of 3 vs 3 of 3	836 vs 824	not checked

Time to draw one frame, per scene: the average (mean) frame time of the scene's best round, which is how many frames the driver delivered; lower is faster. "Typical" beside it is the median frame, which can sit well under the average when a driver's frames come in two speeds. A pair of reports made before per-round averages were recorded is compared on the median. A scene whose rounds disagree by more than 15% is left out. A scene marked "paced" was held at that mean frame time by the driver or the display queue, together with at least one other scene of the same run; its time says how the frames were spaced, not how fast the driver rendered, so it is not compared. A scene marked "too light" took under 8 ms at the standard size (1920 by 1080) on both drivers, where the screen's frame queue spaces the frames more than the chip does; its heavier run is the one compared: the row ending in _2160p is the scene drawn at 3840 by 2160, and compute_nbody_2x is that scene with twice the particles. "Faster" and "slower" describe EXP_panvk_rp4pro_lab17f against panvk_faux123_rp4pro_v0.14.0. "Picture vs stock" compares one fixed frame per scene as a coarse colour grid (0 is identical, above 40 is a different picture); it finds a scene that was not drawn. Where both reports carry the finer 64x36 grid, the second figure is how many of its 2,304 cells differ by more than 4 of 255, and "worst" is the largest single cell; this is what finds a small rendering error in a picture that otherwise matches. A row marked 16x9 comes from a report made before the finer grid existed. "Starts" is how many of a scene's process starts reached a measured round. A GPU clock marked "not comparable" differed by more than 5% of the device's maximum between the two timings.

Technical differences (Vulkan)

Extensions only in EXP_panvk_rp4pro_lab17f (0)

None

Extensions only in panvk_faux123_rp4pro_v0.14.0 (0)

None

Core features that differ (0)

None

Limits that differ (0)

Limit	panvk_faux123_rp4pro_v0.14.0	EXP_panvk_rp4pro_lab17f

Formats supported by only one driver (0 gained, 0 lost)

Only in EXP_panvk_rp4pro_lab17f:

None

Only in panvk_faux123_rp4pro_v0.14.0:

None