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turnip_faux123_v1.2.1-rc4 vs turnip_mrpurple_T30-toasted

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_mrpurple_T30-toastedPurpleVK 26.3.0-devel (git-62ac221a33)

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

Graphics system version (Vulkan)1.4.359 to 1.3.359

Optional features (extensions)154 to 157+3 -0

Features that pass their check (validated)48 to 69turnip_mrpurple_T30-toasted 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_mrpurple_T30-toasted

Speed test scenes (benchmark)2 faster 0 slower 2 even42% 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_2160p94% faster
oit_linked_lists2% faster
pipeline_barriers1% slower
subpasses108% 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: 1562 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_v1.2.1-rc4 details

Feature checks that differ (21)

Unverified turnip_mrpurple_T30-toasted 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_mrpurple_T30-toasted	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

Speed test scenes (benchmark)

unverified turnip_mrpurple_T30-toasted 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_mrpurple_T30-toasted 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	120.29 typical 117.25	62.06 typical 61.36	94% 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	40.71 typical 40.42	39.98 typical 39.51	2% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	7.94 typical 7.81	8.02 typical 7.93	1% slower	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 10.7 differs in 1562 small areas worst 69.3 64x36
pipeline_barriers_2160p	28.96 typical 28.82	n/a	only one side	3 of 3 vs ?	? vs ? clock unknown	not checked
subpasses	25.27 typical 25.27	12.15 typical 12.13	108% 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_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_v1.2.1-rc4 (3)

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 (16)

bresenhamLines Vulkan 1.4	pass to unsupported
dynamicRenderingLocalRead Vulkan 1.4	pass to unsupported
globalPriorityQuery Vulkan 1.4	pass to unsupported
hostImageCopy Vulkan 1.4	pass to unsupported
indexTypeUint8 Vulkan 1.4	pass to unsupported
maintenance5 Vulkan 1.4	pass to unsupported
maintenance6 Vulkan 1.4	pass to unsupported
pipelineRobustness Vulkan 1.4	pass to unsupported
pushDescriptor Vulkan 1.4	pass to unsupported
rectangularLines Vulkan 1.4	pass to unsupported
shaderExpectAssume Vulkan 1.4	pass to unsupported
shaderFloatControls2 Vulkan 1.4	pass to unsupported
shaderSubgroupRotate Vulkan 1.4	pass to unsupported
shaderSubgroupRotateClustered Vulkan 1.4	pass to unsupported
vertexAttributeInstanceRateDivisor Vulkan 1.4	pass to unsupported
vertexAttributeInstanceRateZeroDivisor Vulkan 1.4	pass to unsupported

Limits that differ (2)

Limit	turnip_mrpurple_T30-toasted	turnip_faux123_v1.2.1-rc4
maxComputeSharedMemorySize	65536	32768
timestampPeriod	33.1126	52.0833

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

Only in turnip_faux123_v1.2.1-rc4:

None

Only in turnip_mrpurple_T30-toasted:

None