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Install FlashAttention on non-RDNA1/2 GPUs #2

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Merged
patientx merged 2 commits into from
Apr 2, 2026
Merged

Install FlashAttention on non-RDNA1/2 GPUs #2

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9c45e96
Install FlashAttention on non-RDNA1/2 GPUs
0xDELUXA Apr 2, 2026
f67916f
Merge branch 'patientx-cfz:master' into add-flash-attn
0xDELUXA Apr 2, 2026
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22 changes: 22 additions & 0 deletions install.bat
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Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,28 @@ echo No compatible bitsandbytes build for !arch!

if errorlevel 1 goto :install_failed

echo [*] Installing flash-attention if available...

set "install_fa=0"
for %%G in (gfx90a gfx942 gfx950 gfx1100 gfx1101 gfx1102 gfx1150 gfx1151 gfx1152 gfx1153 gfx1200 gfx1201) do (
if /I "!arch!"=="%%G" set "install_fa=1"
)
if /I "!install_fa!"=="1" goto :install_fa
echo [*] Skipping flash-attention on !arch!...
goto :fa_done

:install_fa
echo [*] Installing flash-attention for !arch!...
.\python_env\python.exe -m pip install https://github.com/0xDELUXA/flash-attention/releases/download/v2.8.4_win-rocm/flash_attn-2.8.4-py3-none-win_amd64.whl --quiet
if errorlevel 1 (
echo [!] Warning: flash-attention install failed, skipping...
goto :fa_done
)
.\python_env\python.exe -m pip install https://github.com/0xDELUXA/flash-attention/releases/download/v2.8.4_win-rocm/amd_aiter-0.0.0-py3-none-win_amd64.whl --quiet
if errorlevel 1 echo [!] Warning: aiter install failed, flash-attention may not work...

:fa_done

:verify_installation
echo.
echo [*] Verifying installation...
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