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panvk_faux123_v1.1.3 vs Panvk-Mali-G57-3.0

On Mali-G52 (CHUWI HiPad-Air, HONOR X5c, HONOR X5c, Infinix HOT 60i, Oppo A18, Oppo A38, realme RMX3710, Redmi 12, Redmi 12C, Redmi 14C, Redmi 15C, Samsung Galaxy A32, TECNO POVA 3, TECNO SPARK 10 Pro, TECNO SPARK 20, Vivo Y03, Xiaomi 24040RN64Y, Xiaomi 24049RN28L). The first driver named is compared against the second, which is the baseline.

StockPanvk-Mali-G57-3.0FristOneRR 3.0 (Mesa 26.3.0-devel)

Custompanvk_faux123_v1.1.3PanVK-kbase RC3-lowmem (Mesa 26.3.0-devel (git-44ce4ed1d7))

Graphics system version (Vulkan)1.3.354 to 1.3.363

Optional features (extensions)140 to 159+20 -1

Features that pass their check (validated)39 to 5415 pass only on panvk_faux123_v1.1.3 0 pass only on Panvk-Mali-G57-3.0

Speed test scenes (benchmark)2 faster 0 slower 3 even9% 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

compute_nbody1% faster
hdr_2160p1% faster
oit_linked_lists1% faster
pipeline_barriers31% faster
subpasses16% 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 (compute_nbody: 15 of 2304 cells, pipeline_barriers: 1781 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 2 of 3, custom 3 of 3), hdr_2160p (stock 0 of 3, custom 3 of 3).

Panvk-Mali-G57-3.0 details panvk_faux123_v1.1.3 details

Feature checks that differ (23)

Feature	Panvk-Mali-G57-3.0	panvk_faux123_v1.1.3	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.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
sync.first_submit_clear_then_compute core	untested	pass	gained
fillModeNonSolid VkPhysicalDeviceFeatures	untested	unsupported	changed
geometryShader VkPhysicalDeviceFeatures	fail	unsupported	changed
multiViewport VkPhysicalDeviceFeatures	untested	unsupported	changed
shaderClipDistance VkPhysicalDeviceFeatures	untested	unsupported	changed
shaderCullDistance VkPhysicalDeviceFeatures	untested	unsupported	changed
stage.geometry_max_output core	untested	unsupported	changed
stage.geometry_point_size core	untested	unsupported	changed
stress.scratch_per_batch core	untested	unsupported	changed

Speed test scenes (benchmark)

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	Panvk-Mali-G57-3.0 ms	panvk_faux123_v1.1.3 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	87.85 typical 86.94	87.15 typical 87.61	1% faster	2 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.1 differs in 15 small areas worst 6.3 64x36
hdr_2160p	149.04 typical 148.57	147.08 typical 146.02	1% faster	0 of 3 vs 3 of 3	? vs ? clock unknown	not checked
oit_linked_lists	77.01 typical 78.56	76.53 typical 77.81	1% 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	91.08 typical 92.10	69.78 typical 70.79	31% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 10.5 differs in 1781 small areas worst 53.0 64x36
subpasses	140.70 typical 139.35	121.22 typical 121.14	16% 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 panvk_faux123_v1.1.3 against Panvk-Mali-G57-3.0. "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)

Extensions only in panvk_faux123_v1.1.3 (20)

VK_EXT_astc_decode_mode
VK_EXT_graphics_pipeline_library
VK_EXT_image_compression_control
VK_EXT_map_memory_placed
VK_EXT_present_timing
VK_GOOGLE_user_type
VK_KHR_internally_synchronized_queues
VK_KHR_maintenance7
VK_KHR_maintenance8
VK_KHR_maintenance9
VK_KHR_present_id
VK_KHR_present_id2
VK_KHR_present_wait
VK_KHR_present_wait2
VK_KHR_shader_constant_data
VK_KHR_shader_fma
VK_KHR_shader_relaxed_extended_instruction
VK_KHR_swapchain_maintenance1
VK_KHR_swapchain_mutable_format
VK_KHR_unified_image_layouts

Extensions only in Panvk-Mali-G57-3.0 (1)

VK_EXT_external_memory_host

Core features that differ (0)

None

Limits that differ (2)

Limit	Panvk-Mali-G57-3.0	panvk_faux123_v1.1.3
sparseAddressSpaceSize	0	17146314752
maxBoundDescriptorSets	4	7

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

Only in panvk_faux123_v1.1.3:

None

Only in Panvk-Mali-G57-3.0:

None