def evaluate(model='ram', width=60, n_distractors=4, N=10):
"""Tests performance of trained model on larger/noisier mnist images."""
# data
mnist = input_data.read_data_sets('MNIST_data', one_hot=False)
# set parameters
#config.loc_std = 1e-10
config.num_glimpses = FLAGS.num_glimpses
config.n_patches = FLAGS.n_patches
config.use_context = FLAGS.use_context
config.convnet = FLAGS.convnet
config.sensor_size = config.glimpse_size**2 * config.n_patches * config.num_channels
config.N = mnist.train.num_examples # number of training examples
config.new_size = width
config.n_distractors = n_distractors
# init model
print('\n-- Model: {} --'.format(model))
print('Setting samplding SD to {:.4e}'.format(config.loc_std))
if model == 'ram':
net = RAM(config)
elif model == 'dram':
net = DRAM(config)
elif model == 'dram_loc':
net = DRAMl(config)
else:
print('Unknown model {}'.format(model))
exit()
net.load(FLAGS.load) # restore
net.count_params()
#params = net.return_params(['context_network/conv0/w:0'])
#net.plot_filters(params[0], fname=FLAGS.plot_dir + '.pdf')
#exit()
if FLAGS.visualize:
# create plot for current parameters
plot_dir = os.path.join(FLAGS.load, FLAGS.plot_dir)
if not os.path.exists(plot_dir):
os.mkdir(plot_dir)
task = {
'variant': FLAGS.task,
'width': width,
'n_distractors': n_distractors
}
net.visualize(data=mnist,
task=task,
config=config,
N=N,
plot_dir=plot_dir)
# evaluate
#test, val = net.evaluate(data=mnist, task=FLAGS.task)
return test, val
def WRITE(self, BYTE):
# Check if there is a value at the current address
if RAM().ADDRESS[ADDR().PEEK()]:
RAM().ADDRESS[ADDR().PEEK()] = BYTE # Write to Address
DEBUG().MSG('BUS', 'DATA', 'WRITE', DATA)
else:
DEBUG().MSG('BUS', 'DATA', 'WRITE', 'NO ADDRESS')
def READ(self): # Read Function
# Check if there is a value at the current address
if RAM().ADDRESS[ADDR().PEEK()]:
DATA = RAM().ADDRESS[ADDR().PEEK()] # Assign the value from address
else:
DATA = 0 # If no value assign 0
DEBUG().MSG('BUS', 'DATA', 'READ', DATA)
return DATA # Return the value
def main():
tabla = RAM()
visual = Rom()
registros = Rom()
reloj = Rom()
operacion = Rom()
r1= Register()
delay1=delay()
delay1.Htz()
registros.vis()
visual.vis()
reloj.vis()
operacion.vis()
print ("\n Proyecto 1 CPU Simulator ")
print ("*--------------------------------------------------------------------*")
print (""" Integrantes:
- Juan Luis Fernandez
- Rodrigo Reyes
- Esteban Samayoa\n
""")
delay1.tiempo()
if visual.v == True:
print ("*--------------------------------*")
print (" RAM ")
tabla.valoress()
delay1.tiempo()
if registros.b == True:
print (f"""
*---------------------------------*
REGISTROS:
Primer registro : {r1.R0}
Segundo registro : {r1.R1}
Tercer registro : {r1.R2}
""")
delay1.tiempo()
if reloj.c == True:
print ("*--------------------------------*")
print (f"""
Tiempo : {hrtzz.htz}
""")
delay1.tiempo()
if operacion.a == True:
cu1=CU()
cu1.operate()
def __init__(self, manufacturer, build_date, purpose, ram, clock,
visualizations):
super().__init__(manufacturer, build_date, purpose)
self.ram = RAM(manufacturer, build_date, "Random access memory", 16,
ram) #RAM
self.alu = ALU(manufacturer, build_date,
"Arithmetic and Logic unit") #ALU
#clock
self.clock = Clock(manufacturer, build_date,
"This component manages the time", clock)
#Registers
self.a = Register(manufacturer, build_date, "Register A", 4, "")
self.b = Register(manufacturer, build_date, "Register B", 4, "")
self.c = Register(manufacturer, build_date, "Register C", 4, "")
self.d = Register(manufacturer, build_date, "Register D", 4, "")
self.pc = Register(manufacturer, build_date, "Program Counter", 4, 0)
self.ir = Register(manufacturer, build_date, "Instruction Register", 4,
"")
self.irb = Register(manufacturer, build_date, "Instruction Register",
4, "")
self.oR = ORegister(manufacturer, build_date, "Output Register", 4, "")
self.visualizations = visualizations
def __init__(self, RAM_size, cache_size, block_size, associativity, replacement):
self.ram = RAM(RAM_size=RAM_size, block_size=block_size)
self.cache = Cache(RAM_size = RAM_size, cache_size=cache_size, block_size=block_size, associativity=associativity, replacement=replacement)
self.RAM_size = RAM_size
self.associativity = associativity
self.block_size = block_size
self.cache_size = cache_size
self.address = Address(self.RAM_size, self.cache_size, self.block_size, self.associativity)
self.loadcount = 0
self.storecount = 0
self.addcount = 0
self.multcount = 0
def main():
global bus, ram, ppi, alu, cu
bus = Bus()
ram = RAM(0x0, 64)
ppi = PPI(0x40)
bus.AddMemoryPeripheral(ram, 0x0, 0x0+64*1024-1)
bus.AddIOPeripheral(ppi, 0x40, 0x40+3)
alu = ALU()
cu = CU(alu, bus)
ppi.SetInterruptCallPA(partial(cu.RST, 5.5, ppi))
ppi.SetInterruptCallPB(partial(cu.RST, 6.5, ppi))
openFile()
i = 0
for wd in words:
ram.Write(0x8000+i, wd)
i += 1
#ram.Write(0x002C, 0x6F)
#ram.Write(0x002D, 0xC9)
ram.Write(0x002c, 0xdb)
ram.Write(0x002d, 0x40)
ram.Write(0x002e, 0xc9)
cu.Reset()
cu.SetPC(0x8000)
thread = Thread(target=execute)
thread.start()
ppi.a = 0xbb
while cu.running:
pass
# cmd = input("Enter a command: ")
# if cmd == "quit":
# cu.running = False
# elif cmd == "stba":
# ppi.StrobeA()
# elif cmd == "stbb":
# ppi.StrobeB()
# elif cmd == "show":
# print("")
# alu.Show()
# #print("\n")
# #ram.Show()
# print("\n")
# ppi.Show()
ram.ShowRange(parser.labels["TABLE"], parser.labels["TABLE"]+0x63)
alu.Show()
class CU(IC):
#attributes for CU
ram = [None] * 16
alu = None
running = None
#registers
a = None
b = None
c = None
d = None
#special register for output
pc = None
ir = None
irb = None
oR = None
clock = None
visualizations = None
def __init__(self, manufacturer, build_date, purpose, ram, clock,
visualizations):
super().__init__(manufacturer, build_date, purpose)
self.ram = RAM(manufacturer, build_date, "Random access memory", 16,
ram) #RAM
self.alu = ALU(manufacturer, build_date,
"Arithmetic and Logic unit") #ALU
#clock
self.clock = Clock(manufacturer, build_date,
"This component manages the time", clock)
#Registers
self.a = Register(manufacturer, build_date, "Register A", 4, "")
self.b = Register(manufacturer, build_date, "Register B", 4, "")
self.c = Register(manufacturer, build_date, "Register C", 4, "")
self.d = Register(manufacturer, build_date, "Register D", 4, "")
self.pc = Register(manufacturer, build_date, "Program Counter", 4, 0)
self.ir = Register(manufacturer, build_date, "Instruction Register", 4,
"")
self.irb = Register(manufacturer, build_date, "Instruction Register",
4, "")
self.oR = ORegister(manufacturer, build_date, "Output Register", 4, "")
self.visualizations = visualizations
# Intruction Set Table
def OUTPUT(self, arg):
pos = int(arg, 2) #convert binary to decimal
data = self.ram.getData(pos) #retrieve data from RAM at position pos
self.oR.setData(data) #set data into ORegister
return "message loaded into ORegister"
def LD_A(self, RAMLoc):
pos = int(RAMLoc)
data = self.ram.getData(pos)
print(f"Succesfully loaded 'RAM[{pos}]={data}' into Register: A")
self.a.setData(data)
def LD_B(self, RAMLoc):
pos = int(RAMLoc)
data = self.ram.getData(pos)
print(f"Succesfully loaded 'RAM[{pos}]={data}' into Register: B")
self.b.setData(data)
def AND(self, arg):
letra1 = self.twoBitToRegLetter(arg[0])
letra2 = self.twoBitToRegLetter(arg[1])
value1 = letra1.getData()
value2 = letra2.getData()
comparison = self.alu.AND(value1,
value2) # calls the alu logic operation 'or'
print(
f"Register {letra1}: {value1}\nRegister {letra2}: {value2}\And: {bool(comparison)}"
)
return comparison
def ILD_A(self, constant):
constant = int(constant)
self.a.setData(constant)
print(f"Succesfuly loaded {self.a.getData()} into Register A")
def STR_A(self, addr):
data = self.a.getData()
addr = int(addr)
data = int(data)
self.ram.setData(addr, data)
print(f"Succesfuly wrote {self.a.getData()} into RAM address: {addr}")
def STR_B(self, addr):
data = self.b.getData()
addr = int(addr)
data = int(data)
self.ram.setData(addr, data)
print(f"Succesfuly wrote {self.b.getData()} into RAM address: {addr}")
def OR(self, arg):
reg1 = self.twoBitToRegLetter(
arg[0]) # extracts the first 2-bit from the 8bit value
reg2 = self.twoBitToRegLetter(
arg[1]) # extracts the first 2-bit from the 8bit value
value1 = reg1.getData()
value2 = reg2.getData()
comparison = self.alu.OR(reg1,
reg2) # calls the alu logic operation 'or'
print(
f"Register {reg1}: {value1}\nRegister {reg2}: {value2}\Or: {bool(comparison)}"
)
return comparison
def ILD_B(self, constant):
constant = int(constant)
self.b.setData(constant)
print(f"Succesfuly read {self.b.getData()} into Register B")
def ADD(self, arg):
reg1 = self.twoBitToRegLetter(
arg[0]) # extracts the first 2-bit from the 8bit value
reg2 = self.twoBitToRegLetter(
arg[1]) # extracts the first 2-bit from the 8bit value
value1 = reg1.getData()
value2 = reg2.getData()
addition = self.alu.ADD(value1, value2)
reg2.setData(addition)
print(
f"Register {reg1}: {value1}\nRegister {reg2}: {value2}\Addition: {addition}"
)
def SUB(self, arg):
reg1 = self.twoBitToRegLetter(
arg[0]) # extracts the first 2-bit from the 8bit value
reg2 = self.twoBitToRegLetter(
arg[1]) # extracts the first 2-bit from the 8bit value
value1 = reg1.getData()
value2 = reg2.getData()
substraction = self.alu.SUB(value1, value2)
reg2.setData(substraction)
print(
f"Register {reg1}: {value1}\nRegister {reg2}: {value2}\Substraction: {substraction}"
)
def JMP(self, arg):
self.pc.data = int(arg)
def JMP_N(self, arg):
if (self.alu.getNegative() == 1):
self.JMP(arg)
else:
pass
def ILD_C(self, constant):
constant = int(constant)
self.a.setData(constant)
print(f"Succesfuly loaded {self.c.getData()} into Register C")
def ILD_D(self, constant):
constant = int(constant)
self.a.setData(constant)
print(f"Succesfuly loaded {self.d.getData()} into Register D")
def reset(self):
self.pc.data = 0
self.ir = self.irb
self.running = False
def HALT(self, data):
print("HALTING...")
self.reset()
# Dictionary with commands and functions
intructionSetTable = {
"0000": OUTPUT,
"OUTPUT": OUTPUT,
"0001": LD_A,
"LD_A": LD_A,
"0010": LD_B,
"LD_B": LD_B,
"0011": AND,
"AND": AND,
"0100": ILD_A,
"ILD_A": ILD_A,
"0101": STR_A,
"STR_A": STR_A,
"0110": STR_B,
"STR_B": STR_B,
"0111": OR,
"OR": OR,
"1000": ILD_B,
"ILD_B": ILD_B,
"1001": ADD,
"ADD": ADD,
"1010": SUB,
"SUB": SUB,
"1011": JMP,
"JMP": JMP,
"1100": JMP_N,
"JMP_N": JMP_N,
"1101": ILD_C,
"ILD_C": ILD_C,
"ILD_D": ILD_D,
"1110": ILD_D,
"HALT": HALT,
"1111": HALT
}
# Dictionary that returns for each 2bit code a letter corresponding to a reg
def twoBitToRegLetter(self, param):
if (param == "00" or param == "A"):
return self.a
if (param == "01" or param == "B"):
return self.b
if (param == "10" or param == "C"):
return self.c
if (param == "11" or param == "D"):
return self.d
# twoBitToRegLetter = {
# "00": "a",
# "A": "a",
# "01": "b",
# "B": "b",
# "10": "c",
# "C": "c",
# "11": "d",
# "D": "d"
# }
def getFunction(self, opcode):
return self.intructionSetTable.get(opcode)
""" def getRegLetter(self, twoBit):
return self.twoBitToRegLetter.get(twoBit) """
def initBios(self, string):
pass
def startInstructions(self, codelines):
for line in codelines:
if (line[0] != "#"):
self.fetch(line)
self.clock.next()
def run(self, codelines, pc=None):
if pc:
self.pc.data = pc
self.running = True
while self.running:
self.startInstructions(codelines)
def fetch(self, codeline):
self.decode(codeline)
def decode(self, lineOfCode):
opcode = lineOfCode.split()[0]
print(f"opcode: {opcode}")
function = self.getFunction(opcode)
print(f"function: {function}")
print(f"PC: {self.pc.data}")
self.pc.data += 1
self.ir = function
if (len(lineOfCode.split()) == 3):
arguments = lineOfCode.split()[1:]
arguments = list(map(str, arguments))
print(f"Arguments: {arguments}")
elif (len(lineOfCode.split()) == 2):
arguments = lineOfCode.split()[1]
else:
arguments = None
self.execute(function, arguments)
def execute(self, function, param):
function(self, param)
def printStatus(self):
return f"Running?: {bool(self.running)}"
from GUI import HackComputerGUI
from CPU import CPU
from ROM import ROM
from RAM import RAM
from VRAM import VRAM
if __name__ == "__main__":
#def __init__(self, ROM, RAM, is_print_state=False, log_path="log.txt"):
cpu = CPU(ROM(), RAM(), VRAM(), is_print_state=False)
hack_computer_GUI = HackComputerGUI(cpu)
hack_computer_GUI.run()
def CLEAR(self):
RAM().ADDRESS.clear() # Clear all values from RAM
DEBUG().MSG('BUS', 'DATA', 'CLEAR', 0)
def LIST(self): print(RAM().ADDRESS)
print '\n\nFlags: {}\n\n'.format(FLAGS)
# ------------------------------
# data
mnist = input_data.read_data_sets('MNIST_data', one_hot=False)
# init model
config.num_glimpses = FLAGS.num_glimpses
config.n_patches = FLAGS.n_patches
config.sensor_size = config.glimpse_size**2 * config.n_patches
config.N = mnist.train.num_examples # number of training examples
if FLAGS.model == 'ram':
print '\n\n\nTraining RAM\n\n\n'
model = RAM(config, logdir=FLAGS.logdir)
elif FLAGS.model == 'dram':
print '\n\n\nTraining DRAM\n\n\n'
model = DRAM(config, logdir=FLAGS.logdir)
elif FLAGS.model == 'dram_loc':
print '\n\n\nTraining DRAM with location ground truth\n\n\n'
model = DRAMl(config, logdir=FLAGS.logdir)
else:
print 'Unknown model {}'.format(FLAGS.model)
exit()
# load if specified
if FLAGS.load != None:
model.load(FLAGS.load)
# display # parameters
def random_search(architecture='dram',
task='translated',
grid={},
k=5,
config=None):
""" Evaluates 'k' random hyper-parameter combinations and returns dict containing scores.
Parameter names are (same as in config):
* num_glimpses (discrete)
* glimpse_size (discrete)
* loc_std (continuous)
:param architecture: (str) 'ram' or 'dram'
:param grid: (dict) {'parameter_name': np.range(lower,upper)}
:param k: (int) # of combinations tested
:return: results (dict) accuracy for each combination
"""
print('\n\nModel {}\n\n'.format(architecture))
# init
results = {}
best_score = 0 # higher is better
best_params = []
# data
mnist = input_data.read_data_sets('MNIST_data', one_hot=False)
config.N = mnist.train.num_examples
for i in range(k):
# sample parameter combination
config.num_glimpses = np.random.choice(grid['num_glimpses'])
config.loc_std = np.round(
np.random.choice(grid['loc_std']).astype(np.float32), 2)
config.glimpse_size = np.random.choice(grid['glimpse_size'])
# TODO: add other params here
config.sensor_size = config.glimpse_size**2 * config.n_patches
config.bandwidth = config.glimpse_size**2
print('\n\n---- Combination #{} ----\n\n'.format(i))
print('Num glimpses:\t{}'.format(config.num_glimpses))
print('Glimpse size:\t{}x{}'.format(config.glimpse_size,
config.glimpse_size))
print('Loc std:\t{}\n'.format(config.loc_std))
cur_params = (config.num_glimpses, config.loc_std, config.glimpse_size)
# log directory
time_str = datetime.now().strftime('%H%M%S')
logdir = "./parameter_search/model={}_{}{}x{}_n_glimpses={}_fovea={}x{}_std={:2.3f}_{}_lr={}-{}".format(
architecture, task, config.new_size, config.new_size,
config.num_glimpses, config.glimpse_size, config.glimpse_size,
config.loc_std, time_str, config.lr_start, config.lr_min)
# init model
tf.reset_default_graph()
if architecture == 'ram':
model = RAM(config, logdir=logdir)
elif architecture == 'dram':
model = DRAM(config, logdir=logdir)
else:
print('Unknown model {}'.format(architecture))
exit()
# train model
model.train(mnist, task)
# evaluate
test, val = model.evaluate(data=mnist, task=task)
print('\n\nResults:\nTest:\t{}\nVal:\t{}'.format(test, val))
# store
results[cur_params] = [test, val]
# update best score
if test > best_score:
print('Best params: {}\tScore: {}'.format(cur_params, test))
results['best_params'] = cur_params
best_score = test
return results
from CU import CU
from RAM import RAM
from Bus import Bus
from PPI import PPI
from Assembler import Assembler
from PPIWindow import PPIWindow
from threading import Thread
from functools import partial
import re
import time
from enum import Enum
import sys, os
bus = Bus()
ram = RAM(0x0, 64)
bus.AddMemoryPeripheral(ram, 0x0, 0x0 + 64 * 1024 - 1)
alu = ALU()
cu = CU(alu, bus)
def AddPPI(addr):
ppi = PPI(addr)
bus.AddIOPeripheral(ppi, addr, addr + 3)
ppi.SetInterruptCallPA(partial(cu.RST, 5.5, ppi))
ppi.SetInterruptCallPB(partial(cu.RST, 6.5, ppi))
return ppi
class State(Enum):
class CU():
register = Register()
ram1 = RAM()
rom1 = Rom()
ram1.upcc()
ram1.instt()
delay1 = delay()
delay1.Htz()
ram1.valoress()
def operate(self):
for line in self.ram1.d:
print("-------------------------------------------------")
print("Fetch:")
print(f"La instrucción es: {self.ram1.d[line]}")
self.delay1.tiempo()
print("Decode:")
for j in self.rom1.instructions:
if self.ram1.d[line][0:4] == j:
print(self.rom1.instructions[j])
print(self.ram1.d[line][5:10])
self.delay1.tiempo()
print("Execute:")
if self.rom1.instructions[j] == "LOAD_R0":
self.rom1.valores()
posicion = int(self.ram1.d[line][5:10])
self.register.getvalue(self.rom1.val[posicion])
self.register.r0()
elif self.rom1.instructions[j] == "LOAD_R1":
self.rom1.valores()
posicion = int(self.ram1.d[line][5:10])
self.register.getvalue(self.rom1.val[posicion])
self.register.r1()
elif self.rom1.instructions[j] == "OUTPUT":
print(self.register.r1())
elif self.rom1.instructions[j] == "ADD":
a = self.ram1.d[line][5:7]
b = self.ram1.d[line][8:10]
print(a)
print(b)
alu1 = ALU(self.register.R0, self.register.R1, 0)
alu1.suma()
self.register.getvalue(alu1.result)
self.register.r1()
elif self.rom1.instructions[j] == "SUB":
a = self.ram1.d[line][5:7]
b = self.ram1.d[line][8:10]
print(a)
print(b)
alu1 = ALU(self.register.R0, self.register.R1, 0)
alu1.resta()
elif self.rom1.instructions[j] == "HALT":
exit()
elif self.rom1.instructions[j] == "AND":
a = self.ram1.d[line][5:7]
b = self.ram1.d[line][8:10]
print(a)
print(b)
alu1 = ALU(self.register.R0, self.register.R1, 0)
if alu1.And() == True:
print("La siguiente operación lógica es verdadera")
else:
print("La operación es falsa")
elif self.rom1.instructions[j] == "OR":
a = self.ram1.d[line][5:7]
b = self.ram1.d[line][8:10]
print(a)
print(b)
alu1 = ALU(self.register.R0, self.register.R1, 0)
if alu1.OR() == True:
print("La siguiente operación lógica es verdadera")
else:
print("La operación es falsa")
elif self.rom1.instructions[j] == "STORE_R0":
rom1 = Rom()
rom1.valores()
self.rom1.val[line][8:10] = self.register.R0
print(self.rom1.val[line][8:10])
elif self.rom1.instructions[j] == "STORE_R0":
rom1 = Rom()
rom1.valores()
self.rom1.val[line][8:10] = self.register.R1
print(self.rom1.val[line][8:10])
elif self.rom1.instructions[j] == "ILD_R0":
self.rom1.valores()
posicion = int(self.ram1.d[line][5:10])
self.register.getvalue(self.rom1.val[posicion])
self.register.r0()
elif self.rom1.instructions[j] == "ILD_R1":
self.rom1.valores()
posicion = int(self.ram1.d[line][5:10])
self.register.getvalue(self.rom1.val[posicion])
self.register.r1()
elif self.rom1.instructions[j] == "LOAD_R2":
self.rom1.valores()
posicion = int(self.ram1.d[line][5:10])
self.register.getvalue(self.rom1.val[posicion])
self.register.r2()
elif self.rom1.instructions[j] == "LOAD_R3":
pass
print("-------------------------------------------------")
self.delay1.tiempo()
# -*- encoding: utf-8 -*-
#
# Authors: Asger Anders Lund Hansen, Mads Ynddal and Troels Ynddal
# License: See LICENSE file
# GitHub: https://github.com/Baekalfen/PyBoy
#
from RAM import RAM
import random
import unittest
# cart = Cartridge("pokemon_blue.gb")
RAM = RAM(None, None, False)
def funky(self, ram, x, y):
y = y - 1
r = random.random()
random.seed(r)
for n in xrange(x, y):
ram[n].setInt(random.randint(0, 255))
random.seed(r)
for n in xrange(x, y):
self.assertEqual(ram[n], random.randint(0, 255))
class Test_RAM(unittest.TestCase):
def test_videoRAM(self):
def LOAD(self, BYTE):
#RAM().ADDRESS.append(bytes(BYTE)) # Add Byte to next RAM Address
RAM().ADDRESS.append(BYTE)
DEBUG().MSG('BUS', 'DATA', 'LOAD', BYTE)
print(('\n\nFlags: {}\n\n'.format(FLAGS)))
# ------------------------------
# data
mnist = input_data.read_data_sets('MNIST_data', one_hot=False)
# init model
config.num_glimpses = FLAGS.num_glimpses
config.n_patches = FLAGS.n_patches
config.sensor_size = config.glimpse_size**2 * config.n_patches
config.N = mnist.train.num_examples # number of training examples
if FLAGS.model == 'ram':
print('\n\n\nTraining RAM\n\n\n')
model = RAM(config, logdir=FLAGS.logdir)
elif FLAGS.model == 'dram':
print('\n\n\nTraining DRAM\n\n\n')
model = DRAM(config, logdir=FLAGS.logdir)
elif FLAGS.model == 'dram_loc':
print('\n\n\nTraining DRAM with location ground truth\n\n\n')
model = DRAMl(config, logdir=FLAGS.logdir)
else:
print(('Unknown model {}'.format(FLAGS.model)))
exit()
# load if specified
if FLAGS.load is not None:
model.load(FLAGS.load)
model.visualize(config=[],
data=mnist,
def evaluate_numglimpses(model='dram_loc', visualize=False, N=10):
"""Tests performance of trained model on larger/noisier mnist images."""
# data
mnist = input_data.read_data_sets('MNIST_data', one_hot=False)
# set parameters
n_glimpses = [1, 2, 3, 4, 5, 6, 7, 8]
n_reps = N
width, noise = 100, 4
RESULTS = {}
for n in n_glimpses:
# set parameters
config.num_glimpses = n
config.n_patches = FLAGS.n_patches
config.use_context = FLAGS.use_context
config.convnet = FLAGS.convnet
config.sensor_size = config.glimpse_size**2 * config.n_patches * config.num_channels
config.N = mnist.train.num_examples # number of training examples
config.new_size = width
config.n_distractors = noise
# init model
print('\n-- Model: {} --'.format(model))
print('Setting samplding SD to {:.4e}'.format(config.loc_std))
tf.reset_default_graph()
if model == 'ram':
net = RAM(config)
elif model == 'dram':
net = DRAM(config)
elif model == 'dram_loc':
net = DRAMl(config)
else:
print('Unknown model {}'.format(model))
exit()
net.load(FLAGS.load) # restore
if FLAGS.visualize:
n_reps = 1
# create plot for current parameters
subfolder = os.path.join(FLAGS.load, FLAGS.plot_dir)
if not os.path.exists(subfolder):
os.mkdir(subfolder)
plot_dir = os.path.join(
subfolder, 'w={}_n_distractors={}'.format(width, noise))
if not os.path.exists(plot_dir):
os.mkdir(plot_dir)
task = {
'variant': FLAGS.task,
'width': width,
'n_distractors': noise
}
net.visualize(data=mnist,
task=task,
config=config,
plot_dir=plot_dir,
N=N)
# evaluate (n_reps) times
acc, _ = evaluate_repeatedly(ram=net,
data=mnist,
task=FLAGS.task,
n_reps=n_reps)
print(acc)
# store results
RESULTS[n] = acc
# save dictionary
with open(
os.path.join(
FLAGS.load,
'glimpses{}_results.pickle'.format(FLAGS.num_glimpses)),
'wb') as handle:
pickle.dump(RESULTS, handle, protocol=pickle.HIGHEST_PROTOCOL)