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turnip_faux123_v1.2.5 vs turnip_mrpurple_T30-toasted

On Adreno (TM) 725 (motorola edge 30 ultra, OnePlus 15, POCO F5, Samsung Galaxy Z Fold4, Vivo iQOO Neo7 Pro, Xiaomi 12T Pro, Xiaomi 23013PC75G, Xiaomi 23049PCD8I). The first driver named is compared against the second, which is the baseline.

Stockturnip_mrpurple_T30-toastedPurpleVK 26.3.0-devel (git-62ac221a33)

Customturnip_faux123_v1.2.5Mesa 26.3.0-devel (git-dd45fd0baa)

Graphics system version (Vulkan)1.4.359 to 1.4.359

Optional features (extensions)163 to 167+4 -0

Features that pass their check (validated)66 to 693 pass only on turnip_faux123_v1.2.5 0 pass only on turnip_mrpurple_T30-toasted

Speed test scenes (benchmark)1 faster 0 slower21% 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

pipeline_barriers_2160p21% 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: 1482 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 0 of 3, custom 3 of 3).

turnip_mrpurple_T30-toasted details turnip_faux123_v1.2.5 details

Feature checks that differ (3)

Feature	turnip_mrpurple_T30-toasted	turnip_faux123_v1.2.5	Change
compat.nested_map core	crash	pass	gained
core.compute_udiv core	fail	pass	gained
core.copy_wide_row_length core	fail	pass	gained

Speed test scenes (benchmark)

Scene	turnip_mrpurple_T30-toasted ms	turnip_faux123_v1.2.5 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	n/a	n/a	only one side	0 of 3 vs 3 of 3	? vs ? clock unknown	not checked
hdr_2160p	47.30	n/a	only one side	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
oit_linked_lists	n/a	n/a	only one side	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	n/a	n/a	too light, see pipeline_barriers_2160p	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 10.6 differs in 1482 small areas worst 62.3 64x36
pipeline_barriers_2160p	13.00 typical 12.78	10.75 typical 10.54	21% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
subpasses	n/a	n/a	only one side	3 of 3 vs 3 of 3	? vs ? clock unknown	not checked
subpasses_2160p	n/a	18.49	only one side	3 of 3 vs 3 of 3	? vs ? clock unknown	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_v1.2.5 against turnip_mrpurple_T30-toasted. "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 turnip_faux123_v1.2.5 (4)

VK_EXT_shader_subgroup_vote
VK_KHR_compute_shader_derivatives
VK_KHR_maintenance7
VK_KHR_shader_relaxed_extended_instruction

Extensions only in turnip_mrpurple_T30-toasted (0)

None

Core features that differ (0)

None

Limits that differ (2)

Limit	turnip_mrpurple_T30-toasted	turnip_faux123_v1.2.5
maxComputeSharedMemorySize	65536	32768
timestampPeriod	33.1126	52.0833

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

Only in turnip_faux123_v1.2.5:

None

Only in turnip_mrpurple_T30-toasted:

None