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turnip_faux123_v1.2.1-rc4 vs Turnip_v26.1.0_R4

On Adreno (TM) 640 (Samsung Galaxy Note10+, Samsung Galaxy S10, Samsung Galaxy S10+, Samsung Galaxy S10+, Xiaomi Pad 5). The first driver named is compared against the second, which is the baseline.

StockTurnip_v26.1.0_R4Mesa 26.1.0-devel (git-1e1d8931c7)

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

Graphics system version (Vulkan)1.3.344 to 1.3.359

Optional features (extensions)153 to 157+4 -0

Features that pass their check (validated)48 to 69Turnip_v26.1.0_R4 and turnip_faux123_v1.2.1-rc4: sent from a device this site could not confirm (unverified)21 pass only on turnip_faux123_v1.2.1-rc4 0 pass only on Turnip_v26.1.0_R4

Speed test scenes (benchmark)2 faster 1 slower 1 even17% 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

hdr_2160p78% faster
oit_linked_lists2% slower
pipeline_barriers1% faster
subpasses5% 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: 1551 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_v26.1.0_R4 details turnip_faux123_v1.2.1-rc4 details

Feature checks that differ (25)

Unverified Turnip_v26.1.0_R4 and turnip_faux123_v1.2.1-rc4: The results below were sent from a device this site could not confirm. A result the site counts replaces them.

Feature	Turnip_v26.1.0_R4	turnip_faux123_v1.2.1-rc4	Change
depthClamp VkPhysicalDeviceFeatures	untested	pass	gained
largePoints VkPhysicalDeviceFeatures	untested	pass	gained
compat.helper_loop_terminator core	untested	pass	gained
compat.nested_map core	untested	pass	gained
core.blend_advertised_formats core	untested	pass	gained
core.compute_big_stack core	untested	pass	gained
core.compute_udiv core	fail	pass	gained
core.copy_wide_row_length core	fail	pass	gained
core.host_coherent_readback core	untested	pass	gained
core.mrt_partial_kill core	untested	pass	gained
core.ubo_update_buffer core	untested	pass	gained
core.ubo_written_after_record core	untested	pass	gained
core.varying_subset core	untested	pass	gained
mem.image_padding core	untested	pass	gained
perf.fb_local_barrier_large_draws core	untested	pass	gained
perf.fb_local_barrier_overdraw core	untested	pass	gained
stage.geometry_max_output core	untested	pass	gained
stage.geometry_point_size core	untested	pass	gained
stress.scratch_per_batch core	untested	pass	gained
stress.spill_helper_lanes core	untested	pass	gained
sync.first_submit_clear_then_compute core	untested	pass	gained
shaderResourceResidency VkPhysicalDeviceFeatures	untested	unsupported	changed
sparseBinding VkPhysicalDeviceFeatures	untested	unsupported	changed
sparseResidencyAliased VkPhysicalDeviceFeatures	untested	unsupported	changed
sparseResidencyBuffer VkPhysicalDeviceFeatures	untested	unsupported	changed

Speed test scenes (benchmark)

unverified Turnip_v26.1.0_R4 and turnip_faux123_v1.2.1-rc4: The times below were sent from a device this site could not confirm. A result the site counts replaces them.

The two drivers were not measured on the same set of device models. Frame times from different devices do not compare drivers, so read these numbers with that in mind.

Scene	Turnip_v26.1.0_R4 ms	turnip_faux123_v1.2.1-rc4 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	n/a	15.05 typical 14.58	only one side	0 of 3 vs 3 of 3	? vs ? clock unknown	not checked
hdr_2160p	110.72 typical 108.43	62.06 typical 61.36	78% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.3 64x36
oit_linked_lists	39.00 typical 38.94	39.98 typical 39.51	2% slower	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	8.13 typical 7.95	8.02 typical 7.93	1% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 9.4 differs in 1551 small areas worst 63.3 64x36
subpasses	12.72 typical 12.93	12.15 typical 12.13	5% faster	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_v1.2.1-rc4 against Turnip_v26.1.0_R4. "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_v1.2.1-rc4 (4)

VK_EXT_debug_marker
VK_EXT_depth_clamp_control
VK_EXT_image_compression_control
VK_EXT_primitive_restart_index

Extensions only in Turnip_v26.1.0_R4 (0)

None

Core features that differ (0)

None

Limits that differ (1)

Limit	Turnip_v26.1.0_R4	turnip_faux123_v1.2.1-rc4
maxFragmentInputComponents	124	128

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

Only in turnip_faux123_v1.2.1-rc4:

None

Only in Turnip_v26.1.0_R4:

None