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Turnip-Rutabaga-v3 vs Turnip-Z-v2.0.0-Mesa-26.3.0

On Adreno (TM) 650 (blackshark SHARK PAR-A0, MANGMI Pocket Max, Moorechip Retroid Pocket 5, Moorechip Retroid Pocket Flip2, motorola moto g(100), POCO F3, POCO F4, Samsung Galaxy S20 FE, Samsung Galaxy S20 FE 5G, Samsung Galaxy S20 FE 5G, Samsung Galaxy Tab S7+, Sony Xperia 5 II, Xiaomi Pad 6). The first driver named is compared against the second, which is the baseline.

StockTurnip-Z-v2.0.0-Mesa-26.3.0Mesa 26.3.0-devel (git-bffd91947e)

CustomTurnip-Rutabaga-v3Mesa 26.3.0-devel (git-b00479181d)

Graphics system version (Vulkan)? to ?

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

Features that pass their check (validated)not tested on bothTurnip-Z-v2.0.0-Mesa-26.3.0 and Turnip-Rutabaga-v3: no driver check yet

Speed test scenes (benchmark)2 faster 1 slower 1 even10% faster overall (geometric mean)

hdr_2160p4% slower
oit_linked_lists1% faster
pipeline_barriers_2160p25% faster
subpasses21% 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 2 scenes (pipeline_barriers: 1429 of 2304 cells, pipeline_barriers_2160p: 13 of 2304 cells). The picture matches overall, so this is a local rendering fault, not a different scene.

Did not start every time: compute_nbody (stock 3 of 3, custom 0 of 3).

Turnip-Z-v2.0.0-Mesa-26.3.0 details Turnip-Rutabaga-v3 details

Feature checks that differ

Turnip-Z-v2.0.0-Mesa-26.3.0 and Turnip-Rutabaga-v3: 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-Z-v2.0.0-Mesa-26.3.0 ms	Turnip-Rutabaga-v3 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	10.85 typical 10.78	n/a	only one side	3 of 3 vs 0 of 3	670 vs ? clock unknown	not checked
hdr_2160p	54.48 typical 54.30	57.03 typical 57.04	4% slower	3 of 3 vs 3 of 3	670 vs 670	no large difference 0.0 no small difference worst 1.0 64x36
oit_linked_lists	34.31 typical 34.29	34.14 typical 34.10	1% faster	3 of 3 vs 3 of 3	670 vs 670	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	6.89 typical 7.05	5.55 typical 5.85	too light, see pipeline_barriers_2160p	3 of 3 vs 3 of 3	670 vs 670	no large difference 8.8 differs in 1429 small areas worst 48.0 64x36
pipeline_barriers_2160p	25.20 typical 25.28	20.18 typical 20.25	25% faster	3 of 3 vs 3 of 3	670 vs 670	no large difference 0.4 differs in 13 small areas worst 6.3 64x36
subpasses	10.37 typical 10.37	8.56 typical 8.73	21% faster	3 of 3 vs 3 of 3	670 vs 670	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-Rutabaga-v3 against Turnip-Z-v2.0.0-Mesa-26.3.0. "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)

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