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Optimize fmha fwd decode & prefill for gfx950 (#2641)

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* Fix for fwd/bwd kernel build filter

* fix bwd code

* save an example for __bf16 type

* temp save, waiting for debug

* tempsave, fmha_decode

* temp save, change all instance to 1wave

* fix async copytest bug

* Add block_sync_lds_direct_load utility

* fix the s_waitcnt_imm calculation

* Improve s_waitcnt_imm calculation

* fix vmcnt shift

* add input validation and bug fix

* remove unnecessary output

* move test_copy into test

* temp save

* tempsave

* compile pass

* tempsave, trload+asyncload done

* tempsave. asynccopy+trload sanity checked

* remove unnecessary features

* fix the lds alignment caused performance regression

* enable prefill overload operator().

* remove all lds bankconflict with xor layouts

* enable larger tile size; upgrade xor pattern

* upgrade prefill pipeline; simple iglp; consistent data produce and consume order

* small refactor

* Load Q through lds, implement xor;

* add vmcnt guard before load ktile

* Add v_permlaneb32 for block_reduce. Disable it as it will cause un-coexecutable packed math in FA

* Add XOR fold strategy for hdim<128, but perf dropped; disable it by default; wait further perf debug

* add __restrict__ to tr load

* merge fa_decode pipeline into fmha_fwd api

* remove unnecessary files; rename some files

* Remove unnecessary changes

* bug fix, clang format;

* remove non-necessary change

* fix clangformat with 18.1.3

* fix bugs

* fix bug

* fix bug on non-gfx950

* fix bugs in gemm

* fix bug in pki4

* tempsave, update the blocksync functions

* change the warp setting for hdim32 fmha fwd

* clang format

* fix conflict. disable all v-col instance for fmha fwd

* Fix the bug

* clang format

---------

Co-authored-by: Max Podkorytov <4273004+tenpercent@users.noreply.github.com>
This commit is contained in:
Haocong WANG
2025-08-12 19:43:14 +08:00
committed by GitHub
parent c0c2ded566
commit b7322a521a
31 changed files with 3533 additions and 627 deletions
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11
example/ck_tile/01_fmha/script/benchmark_fwd.sh
View File

@@ -18,14 +18,3 @@ $EXE -prec=$prec -b=1 -h=$nhead -d=$hdim -s=16384 -iperm=$perm -operm=$perm -kn
done
done
done
for perm in 0 1 ; do
$EXE -prec=fp8 -squant=1 -b=32 -h=16 -d=128 -s=512 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
$EXE -prec=fp8 -squant=1 -b=16 -h=16 -d=128 -s=1024 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
$EXE -prec=fp8 -squant=1 -b=8 -h=16 -d=128 -s=2048 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
$EXE -prec=fp8 -squant=1 -b=4 -h=16 -d=128 -s=4096 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
$EXE -prec=fp8 -squant=1 -b=2 -h=16 -d=128 -s=8192 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
$EXE -prec=fp8 -squant=1 -b=1 -h=16 -d=128 -s=16384 -iperm=$perm -operm=$perm -vlayout=c -range_q=240 -range_k=240 -range_v=240 -range_p=240 -range_o=240 -kname=1 -v=$VALID ; sleep 3
done