Duplicate from BlinkDL/ChatRWKV-gradio

Co-authored-by: BlinkDL <[email protected]>

.gitattributes

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README.md

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+---
+title: ChatRWKV
+emoji: 💻
+colorFrom: gray
+colorTo: blue
+sdk: gradio
+sdk_version: 3.17.0
+app_file: app.py
+pinned: false
+license: apache-2.0
+duplicated_from: BlinkDL/ChatRWKV-gradio
+---
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

app.py

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+import gradio as gr
+import os, gc, torch
+from datetime import datetime
+from huggingface_hub import hf_hub_download
+from pynvml import *
+nvmlInit()
+gpu_h = nvmlDeviceGetHandleByIndex(0)
+ctx_limit = 1024
+title = "RWKV-4-Pile-14B-20230313-ctx8192-test1050"
+desc = f'''Links:
+<a href='https://github.com/BlinkDL/ChatRWKV' target="_blank" style="margin:0 0.5em">ChatRWKV</a>
+<a href='https://github.com/BlinkDL/RWKV-LM' target="_blank" style="margin:0 0.5em">RWKV-LM</a>
+<a href="https://pypi.org/project/rwkv/" target="_blank" style="margin:0 0.5em">RWKV pip package</a>
+'''
+
+os.environ["RWKV_JIT_ON"] = '1'
+os.environ["RWKV_CUDA_ON"] = '1' # if '1' then use CUDA kernel for seq mode (much faster)
+
+from rwkv.model import RWKV
+model_path = hf_hub_download(repo_id="BlinkDL/rwkv-4-pile-14b", filename=f"{title}.pth")
+model = RWKV(model=model_path, strategy='cuda fp16i8 *20 -> cuda fp16')
+from rwkv.utils import PIPELINE, PIPELINE_ARGS
+pipeline = PIPELINE(model, "20B_tokenizer.json")
+
+def infer(
+        ctx,
+        token_count=10,
+        temperature=1.0,
+        top_p=0.8,
+        presencePenalty = 0.1,
+        countPenalty = 0.1,
+):
+    args = PIPELINE_ARGS(temperature = max(0.2, float(temperature)), top_p = float(top_p),
+                     alpha_frequency = countPenalty,
+                     alpha_presence = presencePenalty,
+                     token_ban = [0], # ban the generation of some tokens
+                     token_stop = []) # stop generation whenever you see any token here
+
+    ctx = ctx.strip(' ')
+    if ctx.endswith('\n'):
+        ctx = f'\n{ctx.strip()}\n'
+    else:
+        ctx = f'\n{ctx.strip()}'
+
+    gpu_info = nvmlDeviceGetMemoryInfo(gpu_h)
+    print(f'vram {gpu_info.total} used {gpu_info.used} free {gpu_info.free}')
+    
+    all_tokens = []
+    out_last = 0
+    out_str = ''
+    occurrence = {}
+    state = None
+    for i in range(int(token_count)):
+        out, state = model.forward(pipeline.encode(ctx)[-ctx_limit:] if i == 0 else [token], state)
+        for n in args.token_ban:
+            out[n] = -float('inf')
+        for n in occurrence:
+            out[n] -= (args.alpha_presence + occurrence[n] * args.alpha_frequency)
+
+        token = pipeline.sample_logits(out, temperature=args.temperature, top_p=args.top_p)
+        if token in args.token_stop:
+            break
+        all_tokens += [token]
+        if token not in occurrence:
+            occurrence[token] = 1
+        else:
+            occurrence[token] += 1
+        
+        tmp = pipeline.decode(all_tokens[out_last:])
+        if '\ufffd' not in tmp:
+            out_str += tmp
+            yield out_str.strip()
+            out_last = i + 1
+    gc.collect()
+    torch.cuda.empty_cache()
+    yield out_str.strip()
+
+examples = [
+    ["Expert Questions & Helpful Answers\nAsk Research Experts\nQuestion:\nHow can we eliminate poverty?\n\nFull Answer:\n", 150, 1.0, 0.7, 0.2, 0.2],
+    ["Here's a short cyberpunk sci-fi adventure story. The story's main character is an artificial human created by a company called OpenBot.\n\nThe Story:\n", 150, 1.0, 0.7, 0.2, 0.2],
+    ['''Below is an instruction that describes a task. Write a response that appropriately completes the request.
+
+### Instruction:
+Generate a list of adjectives that describe a person as brave.
+
+### Response:
+''', 150, 1.0, 0.2, 0.5, 0.5],
+    ['''Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
+
+### Instruction:
+Arrange the given numbers in ascending order.
+
+### Input:
+2, 4, 0, 8, 3
+
+### Response:
+''', 150, 1.0, 0.2, 0.5, 0.5],
+    ["Ask Expert\n\nQuestion:\nWhat are some good plans for world peace?\n\nExpert Full Answer:\n", 150, 1.0, 0.7, 0.2, 0.2],
+    ["Q & A\n\nQuestion:\nWhy is the sky blue?\n\nDetailed Expert Answer:\n", 150, 1.0, 0.7, 0.2, 0.2],
+    ["Dear sir,\nI would like to express my boundless apologies for the recent nuclear war.", 150, 1.0, 0.7, 0.2, 0.2],
+    ["Here is a shell script to find all .hpp files in /home/workspace and delete the 3th row string of these files:", 150, 1.0, 0.7, 0.1, 0.1],
+    ["Building a website can be done in 10 simple steps:\n1.", 150, 1.0, 0.7, 0.2, 0.2],
+    ["A Chinese phrase is provided: 百闻不如一见。\nThe masterful Chinese translator flawlessly translates the phrase into English:", 150, 1.0, 0.5, 0.2, 0.2],
+    ["I believe the meaning of life is", 150, 1.0, 0.7, 0.2, 0.2],
+    ["Simply put, the theory of relativity states that", 150, 1.0, 0.5, 0.2, 0.2],
+]
+
+
+iface = gr.Interface(
+    fn=infer,
+    description=f'''{desc} *** <b>Please try examples first (bottom of page)</b> *** (edit them to use your question). Demo limited to ctxlen {ctx_limit}.''',
+    allow_flagging="never",
+    inputs=[
+        gr.Textbox(lines=10, label="Prompt", value="Here's a short cyberpunk sci-fi adventure story. The story's main character is an artificial human created by a company called OpenBot.\n\nThe Story:\n"),  # prompt
+        gr.Slider(10, 200, step=10, value=150),  # token_count
+        gr.Slider(0.2, 2.0, step=0.1, value=1.0),  # temperature
+        gr.Slider(0.0, 1.0, step=0.05, value=0.7),  # top_p
+        gr.Slider(0.0, 1.0, step=0.1, value=0.2),  # presencePenalty
+        gr.Slider(0.0, 1.0, step=0.1, value=0.2),  # countPenalty
+    ],
+    outputs=gr.Textbox(label="Generated Output", lines=28),
+    examples=examples,
+    cache_examples=False,
+).queue()
+
+demo = gr.TabbedInterface(
+    [iface], ["Generative"],
+    title=title,
+)
+
+demo.queue(max_size=10)
+demo.launch(share=False)

requirements.txt

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+torch
+ninja
+tokenizers
+rwkv==0.6.2
+pynvml
+huggingface_hub
+gradio>=3.17.1