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OpenDAS
FlashMLA
Commits
4edea86f
Commit
4edea86f
authored
Feb 26, 2025
by
ljss
Browse files
cuda12.8 recommendation
parent
b549289f
Changes
2
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README.md
README.md
+3
-2
setup.py
setup.py
+4
-0
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README.md
View file @
4edea86f
...
@@ -20,7 +20,7 @@ python setup.py install
...
@@ -20,7 +20,7 @@ python setup.py install
python tests/test_flash_mla.py
python tests/test_flash_mla.py
```
```
Achieving up to 3000 GB/s in memory-bound configuration and 580 TFLOPS in computation-bound configuration on H800 SXM5, using CUDA 12.
6
.
Achieving up to 3000 GB/s in memory-bound configuration and 580 TFLOPS in computation-bound configuration on H800 SXM5, using CUDA 12.
8
.
### Usage
### Usage
...
@@ -42,6 +42,7 @@ for i in range(num_layers):
...
@@ -42,6 +42,7 @@ for i in range(num_layers):
-
Hopper GPUs
-
Hopper GPUs
-
CUDA 12.3 and above
-
CUDA 12.3 and above
-
**But we highly recommend 12.8 or above for the best performance**
-
PyTorch 2.0 and above
-
PyTorch 2.0 and above
## Acknowledgement
## Acknowledgement
...
@@ -52,7 +53,7 @@ FlashMLA is inspired by [FlashAttention 2&3](https://github.com/dao-AILab/flash-
...
@@ -52,7 +53,7 @@ FlashMLA is inspired by [FlashAttention 2&3](https://github.com/dao-AILab/flash-
```
bibtex
```
bibtex
@misc
{
flashmla2025
,
@misc
{
flashmla2025
,
title
=
{FlashMLA: Efficient MLA decoding kernel}
,
title
=
{FlashMLA: Efficient MLA decoding kernel
s
}
,
author
=
{Jiashi Li}
,
author
=
{Jiashi Li}
,
year
=
{2025}
,
year
=
{2025}
,
publisher
=
{GitHub}
,
publisher
=
{GitHub}
,
...
...
setup.py
View file @
4edea86f
...
@@ -13,10 +13,12 @@ from torch.utils.cpp_extension import (
...
@@ -13,10 +13,12 @@ from torch.utils.cpp_extension import (
DISABLE_FP16
=
os
.
getenv
(
"FLASH_MLA_DISABLE_FP16"
,
"FALSE"
)
==
"TRUE"
DISABLE_FP16
=
os
.
getenv
(
"FLASH_MLA_DISABLE_FP16"
,
"FALSE"
)
==
"TRUE"
def
append_nvcc_threads
(
nvcc_extra_args
):
def
append_nvcc_threads
(
nvcc_extra_args
):
nvcc_threads
=
os
.
getenv
(
"NVCC_THREADS"
)
or
"32"
nvcc_threads
=
os
.
getenv
(
"NVCC_THREADS"
)
or
"32"
return
nvcc_extra_args
+
[
"--threads"
,
nvcc_threads
]
return
nvcc_extra_args
+
[
"--threads"
,
nvcc_threads
]
def
get_sources
():
def
get_sources
():
sources
=
[
sources
=
[
"csrc/flash_api.cpp"
,
"csrc/flash_api.cpp"
,
...
@@ -29,12 +31,14 @@ def get_sources():
...
@@ -29,12 +31,14 @@ def get_sources():
return
sources
return
sources
def
get_features_args
():
def
get_features_args
():
features_args
=
[]
features_args
=
[]
if
DISABLE_FP16
:
if
DISABLE_FP16
:
features_args
.
append
(
"-DFLASH_MLA_DISABLE_FP16"
)
features_args
.
append
(
"-DFLASH_MLA_DISABLE_FP16"
)
return
features_args
return
features_args
subprocess
.
run
([
"git"
,
"submodule"
,
"update"
,
"--init"
,
"csrc/cutlass"
])
subprocess
.
run
([
"git"
,
"submodule"
,
"update"
,
"--init"
,
"csrc/cutlass"
])
cc_flag
=
[]
cc_flag
=
[]
...
...
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