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turnip_faux123_v1.2.1-rc4 vs turnip_faux123_v1.1.9-rc15

On Adreno (TM) 830 (AYN Odin 3). The first driver named is compared against the second, which is the baseline.

Stockturnip_faux123_v1.1.9-rc15Mesa 26.3.0-devel (git-dd45fd0baa)

Customturnip_faux123_v1.2.1-rc4Mesa 26.3.0-devel (git-dd45fd0baa)

Graphics system version (Vulkan)? to 1.4.359

Optional features (extensions)? to 172not checked on both

Features that pass their check (validated)not tested on bothturnip_faux123_v1.1.9-rc15: no driver check yet

Speed test scenes (benchmark)4 faster 0 slower 1 even34% faster overall (geometric mean)

compute_nbody_2x56% faster
hdr_2160p112% faster
oit_linked_lists1% faster
pipeline_barriers_2160p16% faster
subpasses_2160p14% 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: 1486 of 2304 cells). The picture matches overall, so this is a local rendering fault, not a different scene.

Not on equal terms: the GPU clock differed during 1 of these scenes (for example subpasses_2160p: stock at 92% of the device's maximum, custom at 100%). Part of the frame-time difference comes from the clock the device chose, not from the driver.

turnip_faux123_v1.1.9-rc15 details turnip_faux123_v1.2.1-rc4 details

Feature checks that differ

turnip_faux123_v1.1.9-rc15: no driver check (validation report) yet. Both drivers need a driver check before their feature checks can be compared.

Speed test scenes (benchmark)

Scene	turnip_faux123_v1.1.9-rc15 ms	turnip_faux123_v1.2.1-rc4 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	3.54 typical 3.46	2.82 typical 2.70	too light, see compute_nbody_2x	3 of 3 vs 3 of 3	1100 vs 1100	no large difference 0.0 no small difference worst 0.0 64x36
compute_nbody_2x	12.98 typical 12.94	8.31 typical 8.22	56% faster	3 of 3 vs 3 of 3	1100 vs 1100	no large difference 0.0 no small difference worst 0.0 64x36
hdr_2160p	16.52 typical 16.45	7.79 typical 7.86	112% faster	3 of 3 vs 3 of 3	1100 vs 1100	no large difference 0.0 no small difference worst 0.3 64x36
oit_linked_lists	17.53 typical 17.51	17.44 typical 17.43	1% faster	3 of 3 vs 3 of 3	1100 vs 1100	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	1.70 typical 1.59	1.56 typical 1.42	too light, see pipeline_barriers_2160p	3 of 3 vs 3 of 3	1100 vs 1100	no large difference 10.6 differs in 1486 small areas worst 62.7 64x36
pipeline_barriers_2160p	6.47 typical 5.97	5.60 typical 5.21	16% faster	3 of 3 vs 3 of 3	1036 vs 1083	no large difference 0.0 no small difference worst 0.0 64x36
subpasses	2.75 typical 2.64	2.50 typical 2.30	too light, see subpasses_2160p	3 of 3 vs 3 of 3	1100 vs 1100	not checked
subpasses_2160p	10.47 typical 10.34	9.18 typical 8.95	14% faster	3 of 3 vs 3 of 3	1017 vs 1100 not comparable	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 turnip_faux123_v1.2.1-rc4 against turnip_faux123_v1.1.9-rc15. "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)

Both drivers need a driver check (validation report) before their technical details (Vulkan) can be compared.