Disabling exllama on old compute. (#986)

# What does this PR do?

Disabling exllama on old compute.

Exllama + T4 don't play nice together, this will disable it right away
to avoid issues at runtime.

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Fixes # (issue)


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This commit is contained in:
Nicolas Patry 2023-09-06 15:01:00 +02:00 committed by GitHub
parent 3ed4c0f33f
commit 211e7b7e35
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 7 deletions

View File

@ -18,13 +18,20 @@ from accelerate import init_empty_weights
from text_generation_server.utils.gptq.quant_linear import QuantLinear
HAS_EXLLAMA = True
try:
major, _minor = torch.cuda.get_device_capability()
except Exception:
major = 1
HAS_EXLLAMA = False
CAN_EXLLAMA = major >= 8
if os.getenv("DISABLE_EXLLAMA") == "True":
HAS_EXLLAMA = False
try:
from text_generation_server.utils.gptq.exllama import Ex4bitLinear
except ImportError:
HAS_EXLLAMA = False
elif CAN_EXLLAMA:
try:
from text_generation_server.utils.gptq.exllama import Ex4bitLinear
HAS_EXLLAMA = True
except ImportError:
pass
from typing import Optional

View File

@ -170,10 +170,10 @@ class Weights:
"Cannot load `gptq` weight, make sure the model is already quantized, or quantize it with `text-generation-server quantize ORIGINAL_MODEL_ID NEW_MODEL_ID`"
)
from text_generation_server.utils.layers import HAS_EXLLAMA
from text_generation_server.utils.layers import HAS_EXLLAMA, CAN_EXLLAMA
if use_exllama:
if not HAS_EXLLAMA:
if not HAS_EXLLAMA and CAN_EXLLAMA:
logger.warning(
"Exllama GPTQ cuda kernels (which are faster) could have been used, but are not currently installed, try using BUILD_EXTENSIONS=True"
)