- refactored read_armadillo into matrix

- added test_norbs
This commit is contained in:
2025-12-21 18:16:48 +01:00
parent e11f775aff
commit ff05c729e8
4 changed files with 81 additions and 22 deletions
+20 -2
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@@ -1,7 +1,6 @@
import time
from typing import TypeAlias from typing import TypeAlias
USE_CUDA = 1 USE_CUDA = 0
if USE_CUDA: if USE_CUDA:
import cupy as np import cupy as np
Mat: TypeAlias = np.array Mat: TypeAlias = np.array
@@ -36,3 +35,22 @@ def rms_error_accu(d_err: Mat):
s = np.sum(d_err_squared) / d_err.size s = np.sum(d_err_squared) / d_err.size
return s return s
def read_armadillo(filename: str) -> Mat:
result = None
with open(filename) as fp:
identifier = fp.readline().replace("\n", '')
if "ARMA_MAT_TXT_FN008" not in identifier:
raise Exception("Not a armadillo data file!")
line = fp.readline().replace("\n", '').split(' ')
shape = [int(s) for s in line]
print(f"shape: {shape}")
result = np.zeros(shape=shape, dtype=np.float64)
for row in range(shape[0]):
line = fp.readline().replace("\n", '').split(' ')
line = line[1:]
data = [float(s) for s in line]
result[row, :] = Mat(data)
return result
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+60
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@@ -0,0 +1,60 @@
import os
import matplotlib.pyplot as plt
from rbm.model import Model
from rbm.entity import Entity, EntityParams
from rbm.matrix import Mat, np, read_armadillo
from rbm.train import TrainingParams
import matplotlib.pyplot as plot
class TestModel(Model):
def __init__(self, name: str, work_dir: str = '.'):
super().__init__(name, work_dir)
self.unit1 = Entity((96*96, 16), EntityParams(do_gaussian_visible=True, do_gaussian_hidden=True))
def forward(self, x: Mat):
x = self.unit1.forward(x)
return x
def backward(self, x: Mat):
x = self.unit1.reconstruct(x)
return x
if __name__ == "__main__":
work_dir = "results"
prj_name = "norb_small_16h_v2"
prj_root = "/home/jens/work/repos/Rbm"
# Create model
model = TestModel("norb_small_16h_v2", "results")
# Init state
model.init(0.01)
# load state
model.load()
# Load train data
batch = read_armadillo(os.path.join(prj_root, f"{prj_name}.training.dat"))
# Train
model.train(batch, TrainingParams(learning_rate=0.00001, momentum=0.9, do_rao_blackwell=True, num_epochs=100, num_gibbs_samples=3))
# save state
model.save()
num_patterns = len(batch)
fig, axes = plt.subplots(1, num_patterns, figsize=(12, 3))
for index, inp in enumerate(batch):
out_normalized = model.backward(model.forward(inp))
img = 2*(out_normalized + 0.5)
img = np.reshape(img, (96, 96))
axes[index].imshow(img)
axes[index].axis('off')
plt.show()
+1 -20
View File
@@ -4,7 +4,7 @@ from argparse import ArgumentParser
from rbm.stack_factory import StackFactory from rbm.stack_factory import StackFactory
from rbm.status import Status from rbm.status import Status
from rbm.stack_deep import StackDeep from rbm.stack_deep import StackDeep
from rbm.matrix import Mat, np, convert from rbm.matrix import Mat, np, convert, read_armadillo
def cv_show(name: str, vec: Mat, shape): def cv_show(name: str, vec: Mat, shape):
img = cv.Mat(convert(np.resize(vec, shape))) img = cv.Mat(convert(np.resize(vec, shape)))
@@ -41,25 +41,6 @@ class MyStatus(Status):
return do_continue return do_continue
def read_armadillo(filename: str) -> Mat:
result = None
with open(filename) as fp:
identifier = fp.readline().replace("\n", '')
if "ARMA_MAT_TXT_FN008" not in identifier:
raise Exception("Not a armadillo data file!")
line = fp.readline().replace("\n", '').split(' ')
shape = [int(s) for s in line]
print(f"shape: {shape}")
result = np.zeros(shape=shape, dtype=np.float64)
for row in range(shape[0]):
line = fp.readline().replace("\n", '').split(' ')
line = line[1:]
data = [float(s) for s in line]
result[row, :] = Mat(data)
return result
def main(prj_name: str = "test"): def main(prj_name: str = "test"):
work_dir = "../../results" work_dir = "../../results"