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Turnip_Gen8_V38_Patched vs turnip_faux123_v1.1.9-rc14

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-rc14Mesa 26.3.0-devel (git-dd45fd0baa)

CustomTurnip_Gen8_V38_PatchedMesa 27.0.0-devel (git-f28352d117)

Graphics system version (Vulkan)1.4.359 to ?

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

Features that pass their check (validated)not tested on bothTurnip_Gen8_V38_Patched: no driver check yet

Speed test scenes (benchmark)3 faster 1 slower 1 even28% faster overall (geometric mean)

compute_nbody_2x4% slower
hdr_2160p164% faster
oit_linked_lists1% faster
pipeline_barriers_2160p21% faster
subpasses_2160p13% faster

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

Not on equal terms: the GPU clock differed during 3 of these scenes (for example compute_nbody_2x: stock at 100% of the device's maximum, custom at 88%). Part of the frame-time difference comes from the clock the device chose, not from the driver.

turnip_faux123_v1.1.9-rc14 details Turnip_Gen8_V38_Patched details

Feature checks that differ

Turnip_Gen8_V38_Patched: 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-rc14 ms	Turnip_Gen8_V38_Patched ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	n/a	4.49	too light, see compute_nbody_2x	3 of 3 vs 3 of 3	1100 vs 1050	no large difference 0.0 no small difference worst 0.0 64x36
compute_nbody_2x	10.82 typical 10.79	11.30 typical 10.91	4% slower	3 of 3 vs 3 of 3	1100 vs 967 not comparable	no large difference 0.0 no small difference worst 0.0 64x36
hdr_2160p	17.25 typical 17.42	6.53 typical 5.98	164% faster	3 of 3 vs 3 of 3	911 vs 1050 not comparable	no large difference 0.0 no small difference worst 0.3 64x36
oit_linked_lists	17.46 typical 17.45	17.28 typical 17.22	1% faster	3 of 3 vs 3 of 3	1100 vs 1050	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	n/a	1.37	too light, see pipeline_barriers_2160p	3 of 3 vs 3 of 3	1100 vs 1050	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers_2160p	5.96 typical 5.58	4.94 typical 4.94	21% faster	3 of 3 vs 3 of 3	995 vs 1050 not comparable	no large difference 0.0 no small difference worst 0.0 64x36
subpasses	2.52 typical 2.30	3.30 typical 2.32	too light, see subpasses_2160p	3 of 3 vs 3 of 3	1100 vs 1050	not checked
subpasses_2160p	9.68 typical 9.65	8.55 typical 8.55	13% faster	3 of 3 vs 3 of 3	1036 vs 1050	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_Gen8_V38_Patched against turnip_faux123_v1.1.9-rc14. "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.