Comments (4)
I'll take a shot at some of these. If nothing else I'll learn a lot.
Are you ok with api-level python tests?
I'm esp. interested in multi-GPU, but I'll start w some simpler ones.
Also, any hope of ever getting this to run on T4's (kaggle...). I'd be willing to dive pretty deep, and have the skills, but don't know enough about that level of cuda to know if it's even remotely possible.
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I would love some help here for implementing the tests. T4 has compute capability 7.5, so it is not compatible with the AWQ CUDA kernel for running the quantized layers as they require 8.0 (Ampere architecture or later).
EDIT: To add support for earlier GPUs, you would have to implement a completely new CUDA kernel because the current one utilizes tensor cores that are 10x faster than CUDA cores. GPUs that are less than 8.0 in compute capability do not have tensor cores (I believe), so it cannot install or run the current CUDA kernel.
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Ok, will work on tests.
Switching to CUDA core from Tensor cores doesn't sound totally out of the realm, esp since I'm just interested in inference only for that task, but I won't even think about it for a while.
tnx
from autoawq.
I would love some help here for implementing the tests. T4 has compute capability 7.5, so it is not compatible with the AWQ CUDA kernel for running the quantized layers as they require 8.0 (Ampere architecture or later).
EDIT: To add support for earlier GPUs, you would have to implement a completely new CUDA kernel because the current one utilizes tensor cores that are 10x faster than CUDA cores. GPUs that are less than 8.0 in compute capability do not have tensor cores (I believe), so it cannot install or run the current CUDA kernel.
@casper-hansen, @bdambrosio
Actually, the T4 GPU also has Tensor Cores (Hardware-Specific), However, its compute capability is 7.5 showed in GPU List.
The real reason that AWQ requires GPU sm_80 or higher lies in the fact that the gemm_cuda_gen.cu
kernel uses the '.m16n8k16' feature, which requires GPU architecture sm_80 or higher.
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Related Issues (20)
- cogvlm2 issue
- Cannot copy out of meta tensor; no data!
- quantize models with large context HOT 3
- why "w_bit": 6
- qwen2-72B can not be quantized by autoawq HOT 17
- when quantize qwen2 by autoawq, it not works successful. HOT 1
- Support Qwen2-57B-A14B?
- awqint4 to gguf ,ModuleNotFoundError: No module named 'awq.apply_awq' HOT 1
- Is there an example on how to quantize with multiple GPUs? Is it possible to quantize Llama 3 70B with 2x3090 24GB?
- I wanted to add a pull request, but it was closed immediately, prompting that the base branch is protected. HOT 2
- ConnectionError: Couldn't reach 'mit-han-lab/pile-val-backup' on the Hub (ConnectTimeout) HOT 9
- [Performance degrade]phi-3-medium-128k-instruct after awq quantized, then output repetitively HOT 2
- Support Qwen2 72 Awq quantization?
- RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:7 and cuda:0! (when checking argument for argument index in method wrapper_CUDA__index_select)
- Unable to install with `poetry`
- Is it possible to quantize MoE models?
- Multi-GPU quantization randomly loads all host GPUs HOT 1
- Same AWQ model behaves differently on two similar machines
- deepseek-coder-v2-instruction-awq HOT 5
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