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## KoboldCpp based GGML Backend by Concedo
## For use as a custom backend in KoboldAI United
## Not intended for general use.
from __future__ import annotations
import time, json
import torch
import requests
import numpy as np
from typing import List, Optional, Union
import os
from . import koboldcpp
import utils
from logger import logger
from modeling.inference_model import (
GenerationResult,
GenerationSettings,
InferenceModel,
)
model_backend_name = "koboldcpp" #specific instead of ggml
model_backend_type = "ggml" #This should be a generic name in case multiple model backends are compatible (think Hugging Face Custom and Basic Hugging Face)
kcpp_backend_loaded = False
class KoboldCppException(Exception):
"""To be used for errors on cpp side of KoboldCpp."""
class KcppArgsObject:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
class model_backend(InferenceModel):
def __init__(self) -> None:
super().__init__()
def is_valid(self, model_name, model_path, menu_path):
foundfile = False
try:
files = os.listdir(model_path)
foundfile = len([filename for filename in files if (("ggml" in filename.lower() and ".bin" in filename.lower()) or ".gguf" in filename.lower())])>0
except:
pass
return foundfile
def get_requested_parameters(self, model_name, model_path, menu_path, parameters = {}):
self.kcpp_threads = 5
self.model_name = "GGML_Model"
self.kcpp_ctxsize = 2048
self.kcpp_blasbatchsize = 512
self.kcpp_gpulayers = 0
self.kcpp_smartcontext = False
self.kcpp_ropescale = 0.0
self.kcpp_ropebase = 10000.0
self.kcpp_useclblast = None
self.kcpp_usecublas = None
self.kcpp_noblas = False
self.kcpp_noavx2 = False
self.kcpp_nommap = False
self.kcpp_debugmode = 0
self.kcpp_tensor_split_str = ""
self.kcpp_tensor_split = None
files = os.listdir(model_path)
foundfiles = [filename for filename in files if (("ggml" in filename.lower() and ".bin" in filename.lower()) or ".gguf" in filename.lower())]
requested_parameters = []
foldermdls = []
for ff in foundfiles:
foldermdls.append({'text': ff, 'value': os.path.join(model_path, ff)})
requested_parameters.append({
"uitype": "dropdown",
"unit": "string",
"label": "GGML DataFile Name",
"id": "kcpp_filename",
"default": os.path.join(model_path, foundfiles[0]) if len(foundfiles)>0 else model_name,
"check": {"value": "", 'check': "!="},
"tooltip": "Actual GGML DataFile Name",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": "",
'children': foldermdls
})
requested_parameters.append({
"uitype": "dropdown",
"unit": "int",
"label": "KoboldCpp Accelerator",
"id": "kcpp_accelerator",
"default": 0,
"check": {"value": "", 'check': "!="},
'multiple': False,
"tooltip": "KoboldCpp Accelerator",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": "",
'children': [{'text': 'Use No BLAS', 'value': 0}, {'text': 'Use OpenBLAS', 'value': 1}, {'text': 'Use CuBLAS', 'value': 2},
{'text': 'Use CLBLast GPU #1', 'value': 3},{'text': 'Use CLBLast GPU #2', 'value': 4},{'text': 'Use CLBLast GPU #3', 'value': 5}
,{'text': 'NoAVX2 Mode (Old CPU)', 'value': 6},{'text': 'Failsafe Mode (Old CPU)', 'value': 7}],
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "Threads",
"id": "kcpp_threads",
"default": self.kcpp_threads,
"check": {"value": "", 'check': "!="},
"tooltip": "Thread Count",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "Max Context Size",
"id": "kcpp_ctxsize",
"default": self.kcpp_ctxsize,
"check": {"value": "", 'check': "!="},
"tooltip": "Max Context Size",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "BLAS Batch Size",
"id": "kcpp_blasbatchsize",
"default": self.kcpp_blasbatchsize,
"check": {"value": "", 'check': "!="},
"tooltip": "BLAS Batch Size",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "GPU Layers",
"id": "kcpp_gpulayers",
"default": self.kcpp_gpulayers,
"check": {"value": "", 'check': "!="},
"tooltip": "GPU Layers",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "Rope Scale",
"id": "kcpp_ropescale",
"default": self.kcpp_ropescale,
"check": {"value": "", 'check': "!="},
"tooltip": "Rope Scale",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "text",
"unit": "int",
"label": "Rope Base",
"id": "kcpp_ropebase",
"default": self.kcpp_ropebase,
"check": {"value": "", 'check': "!="},
"tooltip": "Rope Base",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "dropdown",
"unit": "int",
"label": "Smart Context",
"id": "kcpp_smartcontext",
"default": self.kcpp_smartcontext,
"check": {"value": "", 'check': "!="},
'multiple': False,
"tooltip": "Smart Context",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": "",
'children': [{'text': 'False', 'value': False}, {'text': 'True', 'value': True}],
})
requested_parameters.append({
"uitype": "text",
"unit": "text",
"label": "GPU ID",
"id": "kcpp_tensor_split_str",
"default": "1",
"check": {"value": "", 'check': "!="},
"tooltip": "Which GPU's do we use? For example:1 2",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": ""
})
requested_parameters.append({
"uitype": "dropdown",
"unit": "int",
"label": "Debug Mode",
"id": "kcpp_debugmode",
"default": self.kcpp_debugmode,
"check": {"value": "", 'check': "!="},
'multiple': False,
"tooltip": "Debug Mode",
"menu_path": "",
"refresh_model_inputs": False,
"extra_classes": "",
'children': [{'text': 'False', 'value': 0}, {'text': 'True', 'value': 1}],
})
return requested_parameters
def set_input_parameters(self, parameters):
self.kcpp_threads = parameters["kcpp_threads"]
self.kcpp_filename = parameters["kcpp_filename"]
self.kcpp_ctxsize = parameters["kcpp_ctxsize"]
self.kcpp_blasbatchsize = parameters["kcpp_blasbatchsize"]
self.kcpp_gpulayers = parameters["kcpp_gpulayers"]
self.kcpp_smartcontext = parameters["kcpp_smartcontext"]
self.kcpp_ropescale = parameters["kcpp_ropescale"]
self.kcpp_ropebase = parameters["kcpp_ropebase"]
self.kcpp_debugmode = parameters["kcpp_debugmode"]
self.kcpp_tensor_split_str = parameters["kcpp_tensor_split_str"]
if self.kcpp_tensor_split_str and self.kcpp_tensor_split_str!="":
splits = self.kcpp_tensor_split_str.split()
self.kcpp_tensor_split = []
for s in splits:
self.kcpp_tensor_split.append(int(s))
print(self.kcpp_tensor_split)
accel = parameters["kcpp_accelerator"]
if accel==0:
self.kcpp_noblas = True
elif accel==1:
pass
elif accel==2:
self.kcpp_usecublas = ["normal"]
elif accel==3:
self.kcpp_useclblast = [0,0]
elif accel==4:
self.kcpp_useclblast = [1,0]
elif accel==5:
self.kcpp_useclblast = [0,1]
elif accel==6:
self.kcpp_noavx2 = True
elif accel==7:
self.kcpp_noavx2 = True
self.kcpp_noblas = True
self.kcpp_nommap = True
pass
def unload(self):
print("Attemping to unload library")
koboldcpp.unload_libs()
global kcpp_backend_loaded
kcpp_backend_loaded = False
pass
def _load(self, save_model: bool, initial_load: bool) -> None:
global kcpp_backend_loaded
self.tokenizer = self._get_tokenizer("gpt2")
if not kcpp_backend_loaded:
kcppargs = KcppArgsObject(model=self.kcpp_filename, model_param=self.kcpp_filename,
port=5001, port_param=5001, host='', launch=False, lora=None, threads=self.kcpp_threads, blasthreads=self.kcpp_threads,
highpriority=False, contextsize=self.kcpp_ctxsize, blasbatchsize=self.kcpp_blasbatchsize, ropeconfig=[self.kcpp_ropescale, self.kcpp_ropebase],
smartcontext=self.kcpp_smartcontext, bantokens=None, forceversion=0, nommap=self.kcpp_nommap,
usemlock=False, noavx2=self.kcpp_noavx2, debugmode=self.kcpp_debugmode, skiplauncher=True, hordeconfig=None, noblas=self.kcpp_noblas,
useclblast=self.kcpp_useclblast, usecublas=self.kcpp_usecublas, gpulayers=self.kcpp_gpulayers, tensor_split=self.kcpp_tensor_split, config=None,
onready='', multiuser=False, foreground=False)
koboldcpp.main(kcppargs,False) #initialize library without enabling Lite http server
kcpp_backend_loaded = True
pass
def _save_settings(self):
pass
def _raw_generate(
self,
prompt_tokens: Union[List[int], torch.Tensor],
max_new: int,
gen_settings: GenerationSettings,
single_line: bool = False,
batch_count: int = 1,
seed: Optional[int] = None,
**kwargs,
) -> GenerationResult:
decoded_prompt = utils.decodenewlines(self.tokenizer.decode(prompt_tokens))
# Store context in memory to use it for comparison with generated content
utils.koboldai_vars.lastctx = decoded_prompt
genresult = koboldcpp.generate(decoded_prompt,max_new,utils.koboldai_vars.max_length,
gen_settings.temp,int(gen_settings.top_k),gen_settings.top_a,gen_settings.top_p,
gen_settings.typical,gen_settings.tfs,gen_settings.rep_pen,gen_settings.rep_pen_range,
sampler_order=gen_settings.sampler_order,use_default_badwordsids=utils.koboldai_vars.use_default_badwordsids)
outputs = [genresult]
return GenerationResult(
model=self,
out_batches=np.array(
[self.tokenizer.encode(x) for x in outputs]
),
prompt=prompt_tokens,
is_whole_generation=True,
single_line=single_line,
)
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