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---
license: other
license_name: yi-34b
license_link: https://huggingface.co/01-ai/Yi-34B-200K/blob/main/LICENSE
quantized_by: bartowski
pipeline_tag: text-generation
---
## Exllama v2 Quantizations of Tess-2.0-Yi-34B-200K
Using <a href="https://github.com/turboderp/exllamav2/releases/tag/v0.0.17">turboderp's ExLlamaV2 v0.0.17</a> for quantization.
<b>The "main" branch only contains the measurement.json, download one of the other branches for the model (see below)</b>
Each branch contains an individual bits per weight, with the main one containing only the meaurement.json for further conversions.
Original model: https://huggingface.co/migtissera/Tess-2.0-Yi-34B-200K
| Branch | Bits | lm_head bits | VRAM (4k) | VRAM (16k) | VRAM (32k) | Description |
| ------ | ---- | ------------ | ---- | ---- | ---- | ----------- |
| [8_0](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/8_0) | 8.0 | 8.0 | 34.9 GB | 37.6 GB | 41.6 GB | Max quality producable by ExLlamav2, generally unneeded but maximum performance |
| [6_5](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/6_5) | 6.5 | 8.0 | 28.9 GB | 31.6 GB | 35.6 GB | Near unquantized performance at vastly reduced size, **recommended**. |
| [5_0](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/5_0) | 5.0 | 8.0 | 22.6 GB | 25.3 GB | 29.3 GB | Very high quality, usable at 4k context on 24GB. |
| [4_25](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/4_25) | 4.25 | 6.0 | 19.5 GB | 22.2 GB | 26.2 GB | GPTQ equivalent bits per weight, slightly higher quality. |
| [3_5](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/3_5) | 3.5 | 6.0 | 16.5 GB | 19.2 GB | 23.2 GB | Lower quality, only use if you have to. |
| [3_0](https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2/tree/3_0) | 3.0 | 6.0 | 14.3 GB | 17.0 GB | 21.0 GB | Very low quality, usable with 16gb of VRAM. |
## Download instructions
With git:
```shell
git clone --single-branch --branch 6_5 https://huggingface.co/bartowski/Tess-2.0-Yi-34B-200K-exl2 Tess-2.0-Yi-34B-200K-exl2-6_5
```
With huggingface hub (credit to TheBloke for instructions):
```shell
pip3 install huggingface-hub
```
To download the `main` (only useful if you only care about measurement.json) branch to a folder called `Tess-2.0-Yi-34B-200K-exl2`:
```shell
mkdir Tess-2.0-Yi-34B-200K-exl2
huggingface-cli download bartowski/Tess-2.0-Yi-34B-200K-exl2 --local-dir Tess-2.0-Yi-34B-200K-exl2 --local-dir-use-symlinks False
```
To download from a different branch, add the `--revision` parameter:
Linux:
```shell
mkdir Tess-2.0-Yi-34B-200K-exl2-6_5
huggingface-cli download bartowski/Tess-2.0-Yi-34B-200K-exl2 --revision 6_5 --local-dir Tess-2.0-Yi-34B-200K-exl2-6_5 --local-dir-use-symlinks False
```
Windows (which apparently doesn't like _ in folders sometimes?):
```shell
mkdir Tess-2.0-Yi-34B-200K-exl2-6.5
huggingface-cli download bartowski/Tess-2.0-Yi-34B-200K-exl2 --revision 6_5 --local-dir Tess-2.0-Yi-34B-200K-exl2-6.5 --local-dir-use-symlinks False
```
Want to support my work? Visit my ko-fi page here: https://ko-fi.com/bartowski
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