vbatts/llama.cpp
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Merge branch 'master' into compilade/bitnet-ternary

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Francis Couture-Harpin 2024-09-04 13:26:50 -04:00
commit 7f3a619c98
94 changed files with 12171 additions and 7726 deletions
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103
convert_hf_to_gguf.py
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@ -3,6 +3,7 @@
from __future__ import annotations
import ast
import logging
import argparse
import contextlib
@ -63,6 +64,7 @@ class Model:
model_name: str | None
metadata_override: Path | None
dir_model_card: Path
is_lora: bool
# subclasses should define this!
model_arch: gguf.MODEL_ARCH
@ -70,7 +72,7 @@ class Model:
def __init__(self, dir_model: Path, ftype: gguf.LlamaFileType, fname_out: Path, is_big_endian: bool = False,
use_temp_file: bool = False, eager: bool = False,
metadata_override: Path | None = None, model_name: str | None = None,
split_max_tensors: int = 0, split_max_size: int = 0, dry_run: bool = False, small_first_shard: bool = False):
split_max_tensors: int = 0, split_max_size: int = 0, dry_run: bool = False, small_first_shard: bool = False, is_lora: bool = False):
if type(self) is Model:
raise TypeError(f"{type(self).__name__!r} should not be directly instantiated")
@ -92,6 +94,7 @@ class Model:
self.metadata_override = metadata_override
self.model_name = model_name
self.dir_model_card = dir_model # overridden in convert_lora_to_gguf.py
self.is_lora = is_lora # true if model is used inside convert_lora_to_gguf.py
# Apply heuristics to figure out typical tensor encoding based on first layer tensor encoding type
if self.ftype == gguf.LlamaFileType.GUESSED:
@ -296,9 +299,12 @@ class Model:
gguf.MODEL_TENSOR.POS_EMBD,
gguf.MODEL_TENSOR.TOKEN_TYPES,
gguf.MODEL_TENSOR.SSM_CONV1D,
gguf.MODEL_TENSOR.TIME_MIX_FIRST,
gguf.MODEL_TENSOR.TIME_MIX_W1,
gguf.MODEL_TENSOR.TIME_MIX_W2,
)
)
or not name.endswith(".weight")
or not new_name.endswith(".weight")
):
data_qtype = gguf.GGMLQuantizationType.F32
@ -1588,7 +1594,7 @@ class LlamaModel(Model):
if rope_scaling := self.find_hparam(["rope_scaling"], optional=True):
if rope_scaling.get("rope_type", '').lower() == "llama3":
base = self.hparams.get("rope_theta", 10000.0)
dim = self.hparams["hidden_size"] // self.hparams["num_attention_heads"]
dim = self.hparams.get("head_dim", self.hparams["hidden_size"] // self.hparams["num_attention_heads"])
freqs = 1.0 / (base ** (torch.arange(0, dim, 2, dtype=torch.float32) / dim))
factor = rope_scaling.get("factor", 8.0)
@ -1611,7 +1617,8 @@ class LlamaModel(Model):
smooth = (old_context_len / wavelen - low_freq_factor) / (high_freq_factor - low_freq_factor)
rope_factors.append(1 / ((1 - smooth) / factor + smooth))
self.gguf_writer.add_tensor(self.format_tensor_name(gguf.MODEL_TENSOR.ROPE_FREQS), np.array(rope_factors, dtype=np.float32))
if not self.is_lora:
self.gguf_writer.add_tensor(self.format_tensor_name(gguf.MODEL_TENSOR.ROPE_FREQS), np.array(rope_factors, dtype=np.float32))
super().prepare_tensors()
@ -2157,8 +2164,9 @@ class Phi3MiniModel(Model):
if len(long_factors) != len(short_factors) or len(long_factors) != rope_dims / 2:
raise ValueError(f'The length of rope long and short factors must be {rope_dims / 2}')
self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_LONG] + ".weight", np.array(long_factors, dtype=np.float32))
self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_SHORT] + ".weight", np.array(short_factors, dtype=np.float32))
if not self.is_lora:
self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_LONG] + ".weight", np.array(long_factors, dtype=np.float32))
self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_SHORT] + ".weight", np.array(short_factors, dtype=np.float32))
@Model.register("PlamoForCausalLM")
@ -2729,6 +2737,84 @@ class StarCoder2Model(Model):
model_arch = gguf.MODEL_ARCH.STARCODER2
@Model.register("Rwkv6ForCausalLM")
class Rwkv6Model(Model):
model_arch = gguf.MODEL_ARCH.RWKV6
def set_vocab(self):
assert (self.dir_model / "rwkv_vocab_v20230424.txt").is_file()
vocab_size = self.hparams.get("vocab_size", 65536)
tokens: list[bytes] = ['<s>'.encode("utf-8")]
toktypes: list[int] = [gguf.TokenType.CONTROL]
with open(self.dir_model / "rwkv_vocab_v20230424.txt", "r", encoding="utf-8") as f:
lines = f.readlines()
for line in lines:
parts = line.split(' ')
assert len(parts) >= 3
token, token_len = ast.literal_eval(' '.join(parts[1:-1])), int(parts[-1])
token = token.encode("utf-8") if isinstance(token, str) else token
assert isinstance(token, bytes)
assert len(token) == token_len
token_text: str = repr(token)[2:-1] # "b'\xff'" -> "\xff"
tokens.append(token_text.encode("utf-8"))
toktypes.append(gguf.TokenType.NORMAL)
remainder = vocab_size - len(tokens)
assert remainder >= 0
for i in range(len(tokens), vocab_size):
tokens.append(f"[PAD{i}]".encode("utf-8"))
toktypes.append(gguf.TokenType.UNUSED)
self.gguf_writer.add_tokenizer_model("rwkv")
self.gguf_writer.add_token_list(tokens)
self.gguf_writer.add_token_types(toktypes)
def set_gguf_parameters(self):
block_count = self.hparams["num_hidden_layers"]
head_size = self.hparams["head_size"]
hidden_size = self.hparams["hidden_size"]
layer_norm_eps = self.hparams["layer_norm_epsilon"]
rescale_every_n_layers = self.hparams["rescale_every"]
intermediate_size = self.hparams["intermediate_size"] if self.hparams["intermediate_size"] is not None else int((hidden_size * 3.5) // 32 * 32)
time_mix_extra_dim = 64 if hidden_size == 4096 else 32
time_decay_extra_dim = 128 if hidden_size == 4096 else 64
# RWKV isn't context limited
self.gguf_writer.add_context_length(1048576)
self.gguf_writer.add_embedding_length(hidden_size)
self.gguf_writer.add_block_count(block_count)
self.gguf_writer.add_layer_norm_eps(layer_norm_eps)
self.gguf_writer.add_rescale_every_n_layers(rescale_every_n_layers)
self.gguf_writer.add_wkv_head_size(head_size)
self.gguf_writer.add_time_mix_extra_dim(time_mix_extra_dim)
self.gguf_writer.add_time_decay_extra_dim(time_decay_extra_dim)
self.gguf_writer.add_feed_forward_length(intermediate_size)
self.gguf_writer.add_file_type(self.ftype)
# required by llama.cpp, unused
self.gguf_writer.add_head_count(0)
def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
new_name = self.map_tensor_name(name)
if not (new_name.endswith(".weight") or new_name.endswith(".bias")):
new_name += ".weight"
if new_name.endswith("time_mix_w1.weight") or new_name.endswith("time_mix_decay_w1.weight") or new_name.endswith("time_mix_decay_w2.weight"):
data_torch = data_torch.transpose(0, 1)
if new_name.endswith("time_mix_w2.weight"):
data_torch = data_torch.permute(0, 2, 1)
rescale_every_n_layers = self.hparams["rescale_every"]
if rescale_every_n_layers > 0:
if new_name.endswith("time_mix_output.weight") or new_name.endswith("channel_mix_value.weight"):
data_torch = data_torch.div_(2 ** int(bid // rescale_every_n_layers))
yield (new_name, data_torch)
@Model.register("MambaForCausalLM", "MambaLMHeadModel", "FalconMambaForCausalLM")
class MambaModel(Model):
model_arch = gguf.MODEL_ARCH.MAMBA
@ -3833,7 +3919,7 @@ class ExaoneModel(Model):
if rope_scaling := self.find_hparam(["rope_scaling"], optional=True):
if rope_scaling.get("rope_type", '').lower() == "llama3":
base = self.hparams.get("rope_theta", 10000.0)
dim = self.hparams["hidden_size"] // self.hparams["num_attention_heads"]
dim = self.hparams.get("head_dim", self.hparams["hidden_size"] // self.hparams["num_attention_heads"])
freqs = 1.0 / (base ** (torch.arange(0, dim, 2, dtype=torch.float32) / dim))
factor = rope_scaling.get("factor", 8.0)
@ -3856,7 +3942,8 @@ class ExaoneModel(Model):
smooth = (old_context_len / wavelen - low_freq_factor) / (high_freq_factor - low_freq_factor)
rope_factors.append(1 / ((1 - smooth) / factor + smooth))
self.gguf_writer.add_tensor(self.format_tensor_name(gguf.MODEL_TENSOR.ROPE_FREQS), np.array(rope_factors, dtype=np.float32))
if not self.is_lora:
self.gguf_writer.add_tensor(self.format_tensor_name(gguf.MODEL_TENSOR.ROPE_FREQS), np.array(rope_factors, dtype=np.float32))
super().prepare_tensors()