H. Chase Stevens hchasestevens

Metaprogramming, natural language processing, and derivative-free optimization technique enthusiast.

hchasestevens / grpo_demo.py

Created January 31, 2025 15:12 — forked from willccbb/grpo_demo.py

GRPO Llama-1B

	# train_grpo.py
	import re
	import torch
	from datasets import load_dataset, Dataset
	from transformers import AutoTokenizer, AutoModelForCausalLM
	from peft import LoraConfig
	from trl import GRPOConfig, GRPOTrainer

	# Load and prep dataset

hchasestevens / tensorflow.py

Last active January 14, 2020 18:19

	import tensorflow as tf

	# 1000 * 1.07 ** X = 2000
	# p * r ** X = y
	p = tf.constant(1000.)
	r = tf.constant(1.07)
	X = tf.Variable(1., constraint=tf.keras.constraints.non_neg())
	y = tf.constnat(2000.)

	lhs = p * tf.pow(r, X)

hchasestevens / spacy-validate-pos.py

Created November 26, 2018 18:14

	In [1]: import spacy

	In [2]: nlp = spacy.load('en_core_web_md')
	---------------------------------------------------------------------------
	OSError Traceback (most recent call last)
	<ipython-input-2-614d6de0ab0f> in <module>
	----> 1 nlp = spacy.load('en_core_web_md')

	/usr/local/lib/python3.7/site-packages/spacy/__init__.py in load(name, **overrides)
	19 if depr_path not in (True, False, None):

hchasestevens / property-based-testing.ipynb

Created March 5, 2018 21:58

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hchasestevens / fsm.py

Last active March 1, 2018 14:52

Arbitrary FSMs

	class FSM(object):
	def __init__(self, pattern, mappings=None):
	self.pattern = pattern
	if mappings is not None:
	print(repr(mappings))
	self.mappings = {v: k for k, v in mappings.items() if not callable(v)}
	self.adv_mappings = {v: k for k, v in mappings.items() if callable(v)}
	else:
	self.mappings, self.adv_mappings = {}, {}
	def where(self, **mappings):

hchasestevens / ipyparallel_magic.py

Created February 12, 2018 21:20

IPyParallel magic

	from ipyparallel import Client, require
	from IPython.core.magic import Magics, magics_class, cell_magic, line_magic

	RC = Client()

	@contextmanager
	def apply_parallel(block=False, remote_client=RC):
	view = remote_client.load_balanced_view()

	async_results = []

hchasestevens / im_pb2.py

Created November 1, 2017 02:14

	# Generated by the protocol buffer compiler. DO NOT EDIT!
	# source: im.proto

	import sys
	_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
	from google.protobuf.internal import enum_type_wrapper
	from google.protobuf import descriptor as _descriptor
	from google.protobuf import message as _message
	from google.protobuf import reflection as _reflection
	from google.protobuf import symbol_database as _symbol_database

hchasestevens / im.proto

Created November 1, 2017 02:13

hchasestevens / gist.sh

Created July 26, 2017 15:20

gist.sh

	function msg() {
	echo -n '{"description":"","public":"false","files":{"file1.txt":{"content":"'
	awk '{gsub(/"/,"\\\""); printf "%s\\n",$0}' "$1"
	echo '"}}'
	}

	[ "$#" -ne 1 ] && echo "Syntax: gist.sh filename" && exit 1
	[ ! -r "$1" ] && echo "Error: unable to read $1" && exit 2

	msg "$1" \| curl -v -d '@-' https://api.github.com/gists

hchasestevens / settrace.py

Last active October 9, 2017 15:51

Settrace recipe

	def trace(frame, event, arg):
	relevant_fname_substr = '' # populate with filename substring
	try:
	if relevant_fname_substr not in frame.f_code.co_filename:
	return
	print("{0.f_code.co_filename}: {0.f_lineno}".format(frame))
	except Exception:
	pass
	from contextlib import contextmanager
	@contextmanager