Commit Graph
16 Commits
Author SHA1 Message Date
Ruben OrtlamandGitHub 892e3c333a vulkan: disable mmvq on Intel Windows driver (#20672)
* vulkan: disable mmvq on Intel Windows driver

* improve comment
2026-03-17 21:51:43 +01:00
Ruben OrtlamandGitHub 3a5cb629b1 vulkan: async and event fixes (#20518)
* vulkan: fix event wait submission, event command buffer reset

* fix event command buffer reset validation error

* also reset command buffers before reuse

* use timeline semaphores instead of fences for event_synchronize

* don't use initializer list for semaphore wait info

* use multiple events to avoid reset issues

* fix event reuse issue with multiple vectors

* add semaphore wait condition also if compute_ctx already exists

* remove event pending stage
2026-03-17 14:27:23 +01:00
Ruben OrtlamandGitHub 740a447fc3 vulkan: allow graphics queue only through env var (#20599)
* vulkan: avoid graphics queue on non-RADV AMD drivers

* avoid graphics queues on small GPUs

* change to only use graphics queue if overridden with env var GGML_VK_ALLOW_GRAPHICS_QUEUE

* reenable transfer queue if graphics queue is not used
2026-03-17 10:09:59 +01:00
Ruben OrtlamandGitHub 46dba9fce8 vulkan: fix flash attention dot product precision (#20589) 2026-03-16 10:45:49 +01:00
Ruben OrtlamandGitHub 1a3d8edbba vulkan: use graphics queue on AMD (#20551)
* vulkan: use graphics queue on AMD for slightly better performance

* disable async transfer queue on AMD
2026-03-15 08:18:54 +01:00
Ruben OrtlamandGitHub 128142fe7d test-backend-ops: allow loading tests from file and parsing model operators into file (#19896)
* tests: allow loading test-backend-ops tests from json

* add error threshold based on op

* add error when file cannot be read

* add graph operator json extraction tool

* add nb parameter for non-contiguous input tensors

* fix view check

* only use view if non-contiguous/permuted, use C++ random instead of rand()

* replace internal API calls with public llama_graph_reserve call

* reduce test description length

* fix nb[0] not getting set for view

* add name to tests

* fix inplace error

* use text file instead of json

* move llama_graph_reserve function to new llama-ext header, move export-graph-ops to tests/

* fix missing declaration

* use pragma once

* fix indent

* fix Windows build
2026-03-12 13:26:00 +01:00
Ruben OrtlamandGitHub 182acfe5c5 ci: disable coopmat on ubuntu-24-cmake-vulkan job (#20294) 2026-03-11 14:12:29 +01:00
Ruben OrtlamandGitHub b2f460bd3c vulkan: skip zero size tensors in backend copies (#20233) 2026-03-09 07:23:45 +01:00
Ruben OrtlamandGitHub feefb92836 vulkan: tune MMVQ for Intel Windows (#19988) 2026-03-02 15:58:25 +01:00
Ruben OrtlamandGitHub 319146247e vulkan: improve partial offloading performance on AMD (#19976)
* vulkan: fix and enable cpy_tensor_async function

* use transfer_queue for async transfers on AMD, synchronize with timeline semaphore

* update offload_op logic

* fix missing transfer submission

* disable async transfer queue on AMD GCN

* revert op batch size change

* fix cpy_tensor_async checks
2026-03-01 17:32:14 +01:00
Ruben OrtlamandGitHub 723c71064d vulkan: fix fp16 Flash Attention on Windows AMD RDNA2 and below (#19921) 2026-02-26 19:11:04 +01:00
Ruben OrtlamandGitHub aa6f918c1c Vulkan Scalar Flash Attention Refactor (#19625)
* vulkan: allow using fp16 in scalar flash attention shader

* split rows inside of subgroups for faster synchronization

* use row_split when Br >= 4, change reductions to use shared memory if row_split == 1

* use f32 scalar FA if f16 is not supported by device

* fix amd workgroup size issue

* optimize masksh use

* add medium rows FA shader Br size

* fixes

* add padding to mask shmem buffer

* cache q values into registers for KQ

* fuse lf accumulation, pf and v accumulation into a loop

* stage K loads through shmem

* stage V loads through shmem

* only stage through shmem on Nvidia

* default to Bc 32

* also stage V through shmem when this is done for K

* dynamic subgroups for intel

* use vectorized stores

* use float_type for dequantize4 functions

* use smaller scalar rows size for smaller rows count

* relax flash attention split_k condition to allow non-gqa use

* use minimal subgroup size on Intel

* fix shmem support function

* fix rebase issues

* fixes

* Bc 4 for scalar FA is not a valid configuration

* Use wave32 on AMD RDNA for scalar FA

* add Intel shader core count lookup-table

* fix regressions

* device tuning

* tmpsh size fix

* fix editorconfig

* refactor fa tuning logic into a single place

* fix gqa opt logic

* fix block_rows with small n_rows

* amd tuning

* fix hsk=72/80 issue

* tuning

* allow condition skipping for column check

* use float16 for Of if available

* address feedback

* fix bad RDNA performance on head size <= 128 by limiting occupancy

* allow printing pipeline stats

* cleanup and fixes

* limit occupancy for GCN for small batch FA with large HSK

* disable f16 FA for GCN AMD GPUs on the proprietary driver
2026-02-24 08:35:48 +01:00
Ruben OrtlamandGitHub abb9f3c42b vulkan: fix MMQ shader push constants and multi-dispatch (#19732) 2026-02-19 14:59:16 +01:00
Ruben OrtlamandGitHub 32b17abdb0 vulkan: disable coopmat1 fa on Nvidia Turing (#19290) 2026-02-03 17:37:32 +01:00
Ruben OrtlamandGitHub f6b533d898 Vulkan Flash Attention Coopmat1 Refactor (#19075)
* vulkan: use coopmat for flash attention p*v matrix multiplication

* fix P loading issue

* fix barrier position

* remove reduction that is no longer needed

* move max thread reduction into loop

* remove osh padding

* add bounds checks and padding

* remove unused code

* fix shmem sizes, loop duration and accesses

* don't overwrite Qf, add new shared psh buffer instead

* add missing bounds checks

* use subgroup reductions

* optimize

* move bounds check, reduce barriers

* support other Bc values and other subgroup sizes

* remove D_split

* replace Of register array with shared memory Ofsh array

* parallelize HSV across the rowgroups

* go back to Of in registers, not shmem

* vectorize sfsh

* don't store entire K tile in shmem

* fixes

* load large k tiles to shmem on Nvidia

* adapt shared memory host check function to shader changes

* remove Bc 32 case

* remove unused variable

* fix missing mask reduction tmspsh barrier

* fix mask bounds check

* fix rowmax f16 under/overflow to inf

* fix flash_attn_cm2 BLOCK_SIZE preprocessor directives
2026-01-28 18:52:45 +01:00
Ruben OrtlamandGitHub 635ef78ec5 vulkan: work around Intel fp16 bug in mmq (#18814) 2026-01-14 09:41:23 +01:00