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NOTICE ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ RWKV-7 model release
2
+ Source: rwkv7-g1i-1.5b-20260805-ctx16384.pth
3
+ Exported inference bundle licensed under Apache-2.0.
README.md ADDED
@@ -0,0 +1,203 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ ---
2
+ library_name: transformers
3
+ pipeline_tag: text-generation
4
+ license: other
5
+ language:
6
+ []
7
+ datasets:
8
+ []
9
+ tags:
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+ - rwkv
11
+ - rwkv7
12
+ - recurrent
13
+ - causal-lm
14
+ - conversational
15
+ ---
16
+
17
+ <!-- markdownlint-disable first-line-h1 -->
18
+ <!-- markdownlint-disable html -->
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+
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+ <div align="center">
21
+ <a href="https://www.rwkv.com/">
22
+ <img src="https://www.rwkv.com/images/avatar.png" width="140" alt="RWKV logo" />
23
+ </a>
24
+ <h1>RWKV7-1.5B-20260805</h1>
25
+ <p><strong>RWKV-7 “Goose” · constant-state recurrent language modeling</strong></p>
26
+ </div>
27
+
28
+ <div align="center">
29
+ <a href="https://www.rwkv.com/"><img alt="Website" src="https://img.shields.io/badge/Website-RWKV-16a7c9" /></a>
30
+ <a href="https://huggingface.co/BlinkDL"><img alt="Hugging Face" src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-BlinkDL-ffc107" /></a>
31
+ <a href="https://github.com/BlinkDL/RWKV-LM"><img alt="GitHub" src="https://img.shields.io/badge/GitHub-RWKV--LM-181717?logo=github" /></a>
32
+ <a href="https://arxiv.org/abs/2503.14456v2"><img alt="RWKV-7 paper" src="https://img.shields.io/badge/Paper-arXiv%3A2503.14456-b31b1b" /></a>
33
+ <img alt="Weight license metadata" src="https://img.shields.io/badge/Weight%20license-other-lightgrey" />
34
+ </div>
35
+
36
+ ---
37
+
38
+ ## Model introduction
39
+
40
+ This is an official BlinkDL release of **RWKV-7 Goose** in Hugging Face
41
+ Transformers format. RWKV-7 is an attention-free recurrent architecture with a
42
+ constant-size recurrent state and constant inference work per generated token.
43
+ Training remains parallelizable.
44
+
45
+ This is an unregistered checkpoint. The publisher does not assert its training corpus, language coverage, or post-training status; consult the source owner before use.
46
+
47
+ The Transformers integration, conversion, release packaging, Fast Tokenizer, and
48
+ optional TileLang inference implementation are distributed with this release.
49
+
50
+ ## Highlights
51
+
52
+ - **Constant recurrent state:** memory does not grow like an attention KV cache.
53
+ - **Native Transformers layout:** standard config, sharded safetensors, generation,
54
+ recurrent cache continuation, training, and LoRA workflows.
55
+ - **Exact Fast Tokenizer:** self-contained Rust-backed `tokenizer.json`, generated
56
+ from the canonical RWKV World byte vocabulary during conversion.
57
+ - **Chat-ready:** `chat_template.jinja` supports system, multi-turn, thinking, and
58
+ strict model-generated tool-call prompts.
59
+ - **Optional optimized runtime:** the isolated [`inference/`](inference/) bundle
60
+ provides PyTorch fallback and TileLang acceleration without changing the
61
+ standard model root.
62
+
63
+ ## Model overview
64
+
65
+ | Field | Value |
66
+ | --- | --- |
67
+ | Repository | `BlinkDL/RWKV7-1.5B-20260805` |
68
+ | Architecture class | `Rwkv7ForCausalLM` |
69
+ | Public size label | `1.5`B |
70
+ | Source parameters | `1,527,668,736` |
71
+ | Serialized parameters | `1,527,668,736` |
72
+ | Synthesized compatibility tensors | `0` |
73
+ | Layers | `24` |
74
+ | Hidden / FFN size | `2048` / `8192` |
75
+ | Heads / head size | `32` / `64` |
76
+ | Vocabulary | `65536` |
77
+ | Training context | `not declared` |
78
+ | Weight dtype | `bfloat16` |
79
+ | Numerical conversion | `source dtype preserved` |
80
+ | Metadata profile | `none` |
81
+ | Metadata provenance | `none` |
82
+ | Source checkpoint | `rwkv7-g1i-1.5b-20260805-ctx16384.pth` (unregistered local source) |
83
+ | Source SHA-256 | `32ef7b5bf4dc8bde843cf26dfad809a1f527e2e76a9e790e7d406e71bcd785da` |
84
+
85
+ ## Transformers quickstart
86
+
87
+ Native `rwkv7` auto-class registration requires Transformers 5.15 or a current
88
+ source checkout until that release is available.
89
+
90
+ ```python
91
+ import torch
92
+ from transformers import AutoModelForCausalLM, AutoTokenizer
93
+
94
+ model_id = "BlinkDL/RWKV7-1.5B-20260805"
95
+ tokenizer = AutoTokenizer.from_pretrained(model_id)
96
+ model = AutoModelForCausalLM.from_pretrained(model_id, dtype=torch.bfloat16)
97
+ ```
98
+
99
+ The recurrent cache returned by the model can be passed back for incremental
100
+ decoding. Use an `attention_mask` for padded batches.
101
+
102
+ ## Chat quickstart
103
+
104
+ ```python
105
+ import torch
106
+ from transformers import AutoModelForCausalLM, AutoTokenizer
107
+
108
+ model_id = "BlinkDL/RWKV7-1.5B-20260805"
109
+ tokenizer = AutoTokenizer.from_pretrained(model_id)
110
+ model = AutoModelForCausalLM.from_pretrained(
111
+ model_id,
112
+ dtype=torch.bfloat16,
113
+ ).to("cuda")
114
+
115
+ messages = [{"role": "user", "content": "Explain why RWKV uses constant state."}]
116
+ input_ids = tokenizer.apply_chat_template(
117
+ messages,
118
+ tokenize=True,
119
+ add_generation_prompt=True,
120
+ thinking=False,
121
+ return_tensors="pt",
122
+ ).to(model.device)
123
+
124
+ output = model.generate(
125
+ input_ids,
126
+ max_new_tokens=256,
127
+ do_sample=True,
128
+ temperature=1.0,
129
+ top_p=0.5,
130
+ eos_token_id=0,
131
+ pad_token_id=0,
132
+ )
133
+ print(tokenizer.decode(output[0, input_ids.shape[1]:], skip_special_tokens=True))
134
+ ```
135
+
136
+ Set `thinking=True` for the RWKV thinking prefix. The intentional generation
137
+ prefixes are `Assistant: <think></think` and `Assistant: <think`; do not append a
138
+ closing `>` to them. Reference stops are token ID `0` and `\n\nUser:`.
139
+
140
+ Strip trailing spaces from user input. The official RWKV prompt guide is available
141
+ in [`RWKV7-G1x-templates.txt`](https://github.com/BlinkDL/RWKV-LM/blob/main/RWKV-v7/RWKV7-G1x-templates.txt).
142
+
143
+ ## Optimized local inference
144
+
145
+ Install the versions listed in `inference/requirements.txt`, then run the bundled
146
+ interactive chat:
147
+
148
+ ```bash
149
+ python inference/generate.py --model BlinkDL/RWKV7-1.5B-20260805 --backend auto --interactive
150
+ ```
151
+
152
+ Or independent prompts separated by blank lines:
153
+
154
+ ```bash
155
+ python inference/generate.py \
156
+ --model BlinkDL/RWKV7-1.5B-20260805 \
157
+ --backend auto \
158
+ --input-file prompts.txt
159
+ ```
160
+
161
+ `--backend auto` uses validated exact optimized boundaries and otherwise falls
162
+ back to PyTorch. Full explicit TileLang execution can change floating-point
163
+ operation order and requires checkpoint-, dtype-, shape-, and device-specific
164
+ parity validation.
165
+
166
+ ## Tokenizer
167
+
168
+ The model root contains one self-contained tokenizer artifact: `tokenizer.json`.
169
+ Textual `vocab.json` and `rwkv_vocab_v20230424.txt` files are intentionally omitted
170
+ because they would duplicate the tokenizer used by Transformers.
171
+
172
+ ## Intended use and limitations
173
+
174
+ - This is a base causal language model. Quality, instruction following, and
175
+ language behavior depend on the checkpoint and downstream prompting or
176
+ post-training.
177
+ - Assisted or speculative decoding that requires recurrent-cache rollback is not
178
+ supported without retaining prior state snapshots.
179
+ - Optimized support depends on GPU architecture, dtype, batch, and shape.
180
+ Unsupported `auto` configurations fall back to pure PyTorch.
181
+ - Explicit full TileLang execution can change floating-point operation order and
182
+ requires checkpoint-, dtype-, shape-, and device-specific parity validation.
183
+ - No safety, bias, toxicity, factuality, or high-stakes-use evaluation is claimed
184
+ by this model card.
185
+
186
+ ## License and provenance
187
+
188
+ The exported inference bundle is licensed under [Apache-2.0](LICENSE). This publisher does not assert a license for the unregistered model weights. See [`NOTICE`](NOTICE) and the source checkpoint link above for
189
+ provenance.
190
+
191
+ ## Citation
192
+
193
+ ```bibtex
194
+ @misc{peng2025250314456,
195
+ title = {RWKV-7 "Goose" with Expressive Dynamic State Evolution},
196
+ author = {Bo Peng and Ruichong Zhang and Daniel Goldstein and Eric Alcaide and Xingjian Du and Haowen Hou and Jiaju Lin and Jiaxing Liu and Janna Lu and William Merrill and Guangyu Song and Kaifeng Tan and Saiteja Utpala and Nathan Wilce and Johan S. Wind and Tianyi Wu and Daniel Wuttke and Christian Zhou-Zheng},
197
+ year = {2025},
198
+ eprint = {2503.14456v2},
199
+ archivePrefix = {arXiv},
200
+ primaryClass = {cs.CL},
201
+ url = {https://arxiv.org/abs/2503.14456v2},
202
+ }
203
+ ```
chat_template.jinja ADDED
@@ -0,0 +1,56 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {%- set add_generation_prompt = add_generation_prompt | default(true) -%}
2
+ {%- set thinking = thinking | default(false) -%}
3
+ {%- set bos_token = bos_token | default('', true) -%}
4
+ {%- set tools = tools | default([], true) -%}
5
+ {%- set ns = namespace(system_prompt='') -%}
6
+ {%- for message in messages -%}
7
+ {%- if message.role == 'system' -%}
8
+ {%- set ns.system_prompt = message.content | trim -%}
9
+ {%- endif -%}
10
+ {%- endfor -%}
11
+ {{- bos_token -}}
12
+ {%- if ns.system_prompt or tools | length > 0 -%}
13
+ {{ 'System: ' }}{{ ns.system_prompt }}
14
+ {%- if tools | length > 0 -%}
15
+ {%- if ns.system_prompt %}{{ '\n' }}{%- endif -%}
16
+ {{ 'Tools:\n' -}}
17
+ {{ tools | tojson }}
18
+ {{ '\nWhen using a tool, return only a compact JSON function call in a ```json block, like {"name":"calculator","arguments":{"expression":"2+2"}}. The `name` field must be top-level, never inside `arguments`. Do not copy the tool schema into arguments. Otherwise answer normally.' }}
19
+ {%- endif -%}
20
+ {{ '\n\n' }}
21
+ {%- endif -%}
22
+ {%- for message in messages -%}
23
+ {%- if message.role == 'user' -%}
24
+ {{ 'User: ' ~ (message.content | trim) ~ '\n\n' }}
25
+ {%- elif message.role == 'assistant' -%}
26
+ {%- set content = message.content | default('', true) | trim -%}
27
+ {{ 'Assistant:' }}
28
+ {%- if message.tool_calls is defined and message.tool_calls | length > 0 -%}
29
+ {%- if content %}{{ ' ' ~ content ~ '\n' }}{%- endif -%}
30
+ {%- for tool_call in message.tool_calls -%}
31
+ {%- if tool_call.function is defined -%}
32
+ {%- set name = tool_call.function.name | default('') -%}
33
+ {%- set args = tool_call.function.arguments | default({}, true) -%}
34
+ {%- else -%}
35
+ {%- set name = tool_call.name | default('') -%}
36
+ {%- set args = tool_call.arguments | default({}, true) -%}
37
+ {%- endif -%}
38
+ {{ ' ```json\n' -}}
39
+ {{ '{"name": ' }}{{ name | tojson }}{{ ', "arguments": ' }}{% if args is string %}{{ args }}{% else %}{{ args | tojson }}{% endif %}{{ '}\n' -}}
40
+ {{ '```' }}{{ '\n' if not loop.last else '' }}
41
+ {%- endfor -%}
42
+ {%- elif content -%}
43
+ {{ ' ' ~ content }}
44
+ {%- endif -%}
45
+ {{ '\n\n' }}
46
+ {%- elif message.role == 'tool' -%}
47
+ {{ 'User: Function output:\n' ~ (message.content | trim) ~ '\n\n' }}
48
+ {%- endif -%}
49
+ {%- endfor -%}
50
+ {%- if add_generation_prompt -%}
51
+ {%- if thinking -%}
52
+ {{ 'Assistant: <think' }}
53
+ {%- else -%}
54
+ {{ 'Assistant: <think></think' }}
55
+ {%- endif -%}
56
+ {%- endif -%}
config.json ADDED
@@ -0,0 +1,26 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "a_low_rank_dim": 96,
3
+ "architectures": [
4
+ "Rwkv7ForCausalLM"
5
+ ],
6
+ "bos_token_id": 0,
7
+ "decay_low_rank_dim": 96,
8
+ "dtype": "bfloat16",
9
+ "eos_token_id": 0,
10
+ "gate_low_rank_dim": 256,
11
+ "head_dim": 64,
12
+ "hidden_size": 2048,
13
+ "intermediate_size": 8192,
14
+ "model_type": "rwkv7",
15
+ "norm_bias": true,
16
+ "norm_eps": 1e-05,
17
+ "num_heads": 32,
18
+ "num_hidden_layers": 24,
19
+ "pad_token_id": 0,
20
+ "tie_word_embeddings": false,
21
+ "use_cache": true,
22
+ "v_low_rank_dim": 64,
23
+ "vocab_size": 65536,
24
+ "wkv_implementation": "eager",
25
+ "wkv_state_dtype": "float32"
26
+ }
generation_config.json ADDED
@@ -0,0 +1,6 @@
 
 
 
 
 
 
 
1
+ {
2
+ "bos_token_id": 0,
3
+ "eos_token_id": 0,
4
+ "pad_token_id": 0,
5
+ "use_cache": true
6
+ }
inference/generate.py ADDED
@@ -0,0 +1,217 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from __future__ import annotations
2
+
3
+ import argparse
4
+ import importlib
5
+ import os
6
+ import re
7
+ import sys
8
+ from types import ModuleType
9
+ from pathlib import Path
10
+ from typing import Any
11
+
12
+ import torch
13
+ from transformers import StoppingCriteria, StoppingCriteriaList
14
+
15
+ if __package__ in {None, ""}:
16
+ package_name = "_rwkv7_release_inference"
17
+ package = ModuleType(package_name)
18
+ package.__package__ = package_name
19
+ package.__path__ = [str(Path(__file__).resolve().parent)]
20
+ sys.modules[package_name] = package
21
+ load_model_and_tokenizer = importlib.import_module(
22
+ f"{package_name}.model_loader"
23
+ ).load_model_and_tokenizer
24
+ else:
25
+ from .model_loader import load_model_and_tokenizer
26
+
27
+
28
+ DTYPES = {
29
+ "bfloat16": torch.bfloat16,
30
+ "float16": torch.float16,
31
+ "float32": torch.float32,
32
+ }
33
+ STOP_TEXT = "\n\nUser:"
34
+
35
+
36
+ class StopOnText(StoppingCriteria):
37
+ def __init__(self, tokenizer: Any, prompt_length: int, stop_text: str) -> None:
38
+ self.tokenizer = tokenizer
39
+ self.prompt_length = prompt_length
40
+ self.stop_text = stop_text
41
+
42
+ def __call__(
43
+ self,
44
+ input_ids: torch.LongTensor,
45
+ scores: torch.FloatTensor,
46
+ **kwargs: Any,
47
+ ) -> bool:
48
+ del scores, kwargs
49
+ completion = self.tokenizer.decode(
50
+ input_ids[0, self.prompt_length :],
51
+ skip_special_tokens=False,
52
+ )
53
+ return self.stop_text in completion
54
+
55
+
56
+ def _prompt_ids(tokenizer: Any, messages: list[dict[str, str]], thinking: bool):
57
+ tokens = tokenizer.apply_chat_template(
58
+ messages,
59
+ tokenize=True,
60
+ add_generation_prompt=True,
61
+ thinking=thinking,
62
+ return_tensors="pt",
63
+ )
64
+ if hasattr(tokens, "input_ids"):
65
+ tokens = tokens.input_ids
66
+ elif isinstance(tokens, dict):
67
+ tokens = tokens["input_ids"]
68
+ if tokens.ndim == 1:
69
+ tokens = tokens.unsqueeze(0)
70
+ return tokens
71
+
72
+
73
+ @torch.inference_mode()
74
+ def generate_completion(
75
+ model: Any,
76
+ tokenizer: Any,
77
+ messages: list[dict[str, str]],
78
+ *,
79
+ device: str,
80
+ max_new_tokens: int,
81
+ temperature: float,
82
+ top_p: float,
83
+ thinking: bool,
84
+ ) -> str:
85
+ input_ids = _prompt_ids(tokenizer, messages, thinking).to(device)
86
+ prompt_length = input_ids.shape[1]
87
+ generation: dict[str, Any] = {
88
+ "input_ids": input_ids,
89
+ "attention_mask": torch.ones_like(input_ids),
90
+ "max_new_tokens": max_new_tokens,
91
+ "do_sample": temperature > 0,
92
+ "eos_token_id": 0,
93
+ "pad_token_id": 0,
94
+ "stopping_criteria": StoppingCriteriaList(
95
+ [StopOnText(tokenizer, prompt_length, STOP_TEXT)]
96
+ ),
97
+ }
98
+ if temperature > 0:
99
+ generation["temperature"] = temperature
100
+ generation["top_p"] = top_p
101
+ output = model.generate(**generation)
102
+ completion_ids = output[0, prompt_length:]
103
+ completion = tokenizer.decode(completion_ids, skip_special_tokens=True)
104
+ if STOP_TEXT in completion:
105
+ completion = completion.split(STOP_TEXT, 1)[0]
106
+ return completion.strip()
107
+
108
+
109
+ def _interactive(
110
+ model: Any,
111
+ tokenizer: Any,
112
+ args: argparse.Namespace,
113
+ ) -> None:
114
+ messages: list[dict[str, str]] = []
115
+ print("RWKV-7 Goose — /clear resets the conversation, /exit quits.")
116
+ while True:
117
+ try:
118
+ prompt = input(">>> ")
119
+ except EOFError:
120
+ break
121
+ if prompt == "/exit":
122
+ break
123
+ if prompt == "/clear":
124
+ messages.clear()
125
+ continue
126
+ prompt = prompt.strip()
127
+ if not prompt:
128
+ continue
129
+ messages.append({"role": "user", "content": prompt})
130
+ completion = generate_completion(
131
+ model,
132
+ tokenizer,
133
+ messages,
134
+ device=args.device,
135
+ max_new_tokens=args.max_new_tokens,
136
+ temperature=args.temperature,
137
+ top_p=args.top_p,
138
+ thinking=args.thinking,
139
+ )
140
+ print(completion)
141
+ messages.append({"role": "assistant", "content": completion})
142
+
143
+
144
+ def _file_prompts(
145
+ model: Any,
146
+ tokenizer: Any,
147
+ args: argparse.Namespace,
148
+ ) -> None:
149
+ text = Path(args.input_file).read_text(encoding="utf-8")
150
+ prompts = [prompt.strip() for prompt in re.split(r"\n\s*\n", text) if prompt.strip()]
151
+ if not prompts:
152
+ raise ValueError("input file contains no prompts")
153
+ for prompt in prompts:
154
+ completion = generate_completion(
155
+ model,
156
+ tokenizer,
157
+ [{"role": "user", "content": prompt}],
158
+ device=args.device,
159
+ max_new_tokens=args.max_new_tokens,
160
+ temperature=args.temperature,
161
+ top_p=args.top_p,
162
+ thinking=args.thinking,
163
+ )
164
+ print(f"Prompt: {prompt}")
165
+ print(f"Completion: {completion}")
166
+ print()
167
+
168
+
169
+ def parse_args() -> argparse.Namespace:
170
+ parser = argparse.ArgumentParser(description="Generate with RWKV-7 Goose")
171
+ parser.add_argument("--model", required=True, help="Hub repo ID or local model directory")
172
+ mode = parser.add_mutually_exclusive_group(required=True)
173
+ mode.add_argument("--interactive", action="store_true")
174
+ mode.add_argument("--input-file")
175
+ parser.add_argument("--device", default="cuda")
176
+ parser.add_argument("--dtype", choices=("auto", *DTYPES), default="auto")
177
+ parser.add_argument("--state-dtype", choices=DTYPES, default="float32")
178
+ parser.add_argument("--backend", choices=("auto", "torch", "tilelang"), default="auto")
179
+ parser.add_argument("--max-new-tokens", type=int, default=300)
180
+ parser.add_argument("--temperature", type=float, default=1.0)
181
+ parser.add_argument("--top-p", type=float, default=0.5)
182
+ parser.add_argument("--seed", type=int, default=33377335)
183
+ parser.add_argument("--thinking", action="store_true")
184
+ return parser.parse_args()
185
+
186
+
187
+ def main() -> None:
188
+ args = parse_args()
189
+ if int(os.getenv("WORLD_SIZE", "1")) != 1:
190
+ raise RuntimeError("the bundled runtime supports one process and one GPU")
191
+ if int(os.getenv("RANK", "0")) != 0 or int(os.getenv("LOCAL_RANK", "0")) != 0:
192
+ raise RuntimeError("RANK and LOCAL_RANK must be zero")
193
+ if args.max_new_tokens <= 0:
194
+ raise ValueError("max-new-tokens must be positive")
195
+ if args.temperature < 0:
196
+ raise ValueError("temperature must be non-negative")
197
+ if not 0 < args.top_p <= 1:
198
+ raise ValueError("top-p must be in (0, 1]")
199
+ torch.manual_seed(args.seed)
200
+ model, tokenizer = load_model_and_tokenizer(
201
+ args.model,
202
+ device=args.device,
203
+ dtype=None if args.dtype == "auto" else DTYPES[args.dtype],
204
+ backend=args.backend,
205
+ state_dtype=args.state_dtype,
206
+ )
207
+ model.set_kernel_backend(args.backend)
208
+ if args.backend == "tilelang":
209
+ model.prepare_inference_weights()
210
+ if args.interactive:
211
+ _interactive(model, tokenizer, args)
212
+ else:
213
+ _file_prompts(model, tokenizer, args)
214
+
215
+
216
+ if __name__ == "__main__":
217
+ main()
inference/kernel.py ADDED
The diff for this file is too large to render. See raw diff
 
inference/model_loader.py ADDED
@@ -0,0 +1,178 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from __future__ import annotations
2
+
3
+ import json
4
+ from pathlib import Path
5
+
6
+ import torch
7
+ from huggingface_hub import snapshot_download
8
+ from safetensors.torch import load_file
9
+ from transformers import AutoTokenizer, PreTrainedConfig
10
+
11
+ from .runtime import RWKV7Config, RWKV7ForCausalLM
12
+
13
+
14
+ SQUEEZE_MARKERS = (
15
+ ".x_",
16
+ ".k_",
17
+ "att.r",
18
+ "att.w",
19
+ "att.v0",
20
+ "att.v1",
21
+ "att.v2",
22
+ "att.a",
23
+ "att.g",
24
+ )
25
+
26
+
27
+ def _resolve_model(model: str) -> tuple[Path, bool]:
28
+ local = Path(model).expanduser()
29
+ if local.is_dir():
30
+ return local.resolve(), False
31
+ return Path(snapshot_download(model)), True
32
+
33
+
34
+ def _optimized_config(native: dict, backend: str, state_dtype: str) -> RWKV7Config:
35
+ return RWKV7Config(
36
+ vocab_size=native["vocab_size"],
37
+ hidden_size=native["hidden_size"],
38
+ num_hidden_layers=native["num_hidden_layers"],
39
+ head_size=native["head_dim"],
40
+ intermediate_size=native["intermediate_size"],
41
+ decay_lora_rank=native["decay_low_rank_dim"],
42
+ a_lora_rank=native["a_low_rank_dim"],
43
+ gate_lora_rank=native["gate_low_rank_dim"],
44
+ value_lora_rank=native["v_low_rank_dim"],
45
+ layer_norm_epsilon=native.get("norm_eps", 1e-5),
46
+ use_cache=native.get("use_cache", True),
47
+ kernel_backend=backend,
48
+ recurrent_state_dtype=state_dtype,
49
+ tie_word_embeddings=native.get("tie_word_embeddings", False),
50
+ bos_token_id=native.get("bos_token_id"),
51
+ eos_token_id=native.get("eos_token_id", 0),
52
+ pad_token_id=native.get("pad_token_id", 0),
53
+ )
54
+
55
+
56
+ def _native_key_to_optimized(key: str) -> str:
57
+ return key.removeprefix("rwkv7.")
58
+
59
+
60
+ def _native_tensor_to_optimized(key: str, tensor: torch.Tensor) -> torch.Tensor:
61
+ return tensor.squeeze() if any(marker in key for marker in SQUEEZE_MARKERS) else tensor
62
+
63
+
64
+ def _checked_weight(path: Path, *, hub_snapshot: bool) -> Path:
65
+ if path.is_symlink():
66
+ if not hub_snapshot:
67
+ raise RuntimeError(f"local safetensor must not be a symlink: {path.name}")
68
+ path = path.resolve(strict=True)
69
+ if not path.is_file():
70
+ raise RuntimeError(f"safetensor must be a regular file: {path.name}")
71
+ return path
72
+
73
+
74
+ def _weight_plan(
75
+ model_dir: Path, *, hub_snapshot: bool
76
+ ) -> list[tuple[Path, set[str] | None]]:
77
+ present = sorted(model_dir.glob("model*.safetensors"))
78
+ if not present:
79
+ raise FileNotFoundError(f"no safetensors found in {model_dir}")
80
+ checked = {
81
+ path.name: _checked_weight(path, hub_snapshot=hub_snapshot) for path in present
82
+ }
83
+ index_path = model_dir / "model.safetensors.index.json"
84
+ if not index_path.is_file():
85
+ if [path.name for path in present] != ["model.safetensors"]:
86
+ raise RuntimeError("multiple safetensors require model.safetensors.index.json")
87
+ return [(checked["model.safetensors"], None)]
88
+
89
+ index = json.loads(index_path.read_text(encoding="utf-8"))
90
+ weight_map = index.get("weight_map")
91
+ if not isinstance(weight_map, dict) or not weight_map:
92
+ raise RuntimeError("model.safetensors.index.json has no weight_map")
93
+ keys_by_file: dict[str, set[str]] = {}
94
+ for key, filename in weight_map.items():
95
+ if not isinstance(key, str) or not isinstance(filename, str):
96
+ raise RuntimeError("invalid weight_map entry")
97
+ keys_by_file.setdefault(filename, set()).add(key)
98
+ if set(keys_by_file) != {path.name for path in present}:
99
+ raise RuntimeError("indexed and present safetensors files differ")
100
+ return [(checked[filename], keys_by_file[filename]) for filename in sorted(keys_by_file)]
101
+
102
+
103
+ def _load_native_model(
104
+ model_dir: Path,
105
+ native_config: dict,
106
+ backend: str,
107
+ state_dtype: str,
108
+ *,
109
+ hub_snapshot: bool,
110
+ ) -> RWKV7ForCausalLM:
111
+ config = _optimized_config(native_config, backend, state_dtype)
112
+ with torch.device("meta"):
113
+ model = RWKV7ForCausalLM(config)
114
+ expected = set(model.state_dict())
115
+ seen: set[str] = set()
116
+ for weight_file, indexed_keys in _weight_plan(
117
+ model_dir, hub_snapshot=hub_snapshot
118
+ ):
119
+ native_shard = load_file(weight_file, device="cpu")
120
+ if indexed_keys is not None and set(native_shard) != indexed_keys:
121
+ raise RuntimeError(f"tensor keys in {weight_file.name} do not match the index")
122
+ shard = {}
123
+ for native_key, tensor in native_shard.items():
124
+ optimized_key = _native_key_to_optimized(native_key)
125
+ if optimized_key in seen or optimized_key in shard:
126
+ raise RuntimeError(f"duplicate optimized tensor key: {optimized_key}")
127
+ shard[optimized_key] = _native_tensor_to_optimized(optimized_key, tensor)
128
+ unexpected = sorted(set(shard) - expected)
129
+ if unexpected:
130
+ raise RuntimeError(f"native checkpoint has unexpected keys: {unexpected}")
131
+ model.load_state_dict(shard, strict=False, assign=True)
132
+ seen.update(shard)
133
+ missing = sorted(expected - seen)
134
+ if missing:
135
+ raise RuntimeError(f"native checkpoint is missing optimized runtime keys: {missing}")
136
+ return model
137
+
138
+
139
+ def _load_tokenizer(model_dir: Path):
140
+ return AutoTokenizer.from_pretrained(
141
+ model_dir,
142
+ config=PreTrainedConfig(),
143
+ local_files_only=True,
144
+ )
145
+
146
+
147
+ def load_model_and_tokenizer(
148
+ model: str,
149
+ *,
150
+ device: str,
151
+ dtype: torch.dtype | None,
152
+ backend: str,
153
+ state_dtype: str,
154
+ ):
155
+ model_dir, hub_snapshot = _resolve_model(model)
156
+ native_config = json.loads((model_dir / "config.json").read_text(encoding="utf-8"))
157
+ architectures = set(native_config.get("architectures", []))
158
+ if architectures != {"Rwkv7ForCausalLM"}:
159
+ raise ValueError(f"unsupported RWKV-7 architecture: {sorted(architectures)}")
160
+ loaded = _load_native_model(
161
+ model_dir,
162
+ native_config,
163
+ backend,
164
+ state_dtype,
165
+ hub_snapshot=hub_snapshot,
166
+ )
167
+ if dtype is None:
168
+ dtype_name = str(native_config.get("dtype", "bfloat16")).removeprefix("torch.")
169
+ try:
170
+ dtype = {
171
+ "bfloat16": torch.bfloat16,
172
+ "float16": torch.float16,
173
+ "float32": torch.float32,
174
+ }[dtype_name]
175
+ except KeyError as error:
176
+ raise ValueError(f"unsupported model dtype: {dtype_name}") from error
177
+ loaded = loaded.to(device=device, dtype=dtype).eval()
178
+ return loaded, _load_tokenizer(model_dir)
inference/requirements.txt ADDED
@@ -0,0 +1,5 @@
 
 
 
 
 
 
1
+ transformers>=5.0,<6
2
+ huggingface-hub>=0.34
3
+ safetensors>=0.5
4
+ jinja2>=3.1,<4
5
+ tilelang==0.1.12
inference/runtime.py ADDED
The diff for this file is too large to render. See raw diff
 
model.safetensors ADDED
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