initialize structure to support fixed script #3

Author: abdelrahmanhosny

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "python.pythonPath": ".venv/bin/python"
+}

drills.py

@@ -13,6 +13,7 @@
 import numpy as np
 import time
 from drills.model import A2C
+from drills.fixed_optimization import optimize_with_fixed_script
 from pyfiglet import Figlet
 
 def log(message):
@@ -29,8 +30,12 @@ def add_usage(self, usage, actions, groups, prefix=None):
         description='Performs logic synthesis optimization using RL')
     parser._positionals.title = 'Positional arguments'
     parser._optionals.title = 'Optional arguments'
-    parser.add_argument('-v', '--version', action='version', version = 'DRiLLS v0.1', help = "Shows program's version number and exit")
-    parser.add_argument("-l", "--load_model", action='store_true', help="Loads a saved Tensorflow model")
+    parser.add_argument('-v', '--version', action='version', \
+        version = 'DRiLLS v0.1', help="Shows program's version number and exit")
+    parser.add_argument("-l", "--load_model", action='store_true', \
+        help="Loads a saved Tensorflow model")
+    parser.add_argument("-s", "--fixed_script", type=open, \
+        help="Executes a fixed optimization script before DRiLLS")
     parser.add_argument("mode", type=str, choices=['train', 'optimize'], \
         help="Use the design to train the model or only optimize it")
     parser.add_argument("mapping", type=str, choices=['scl', 'fpga'], \
@@ -44,6 +49,9 @@ def add_usage(self, usage, actions, groups, prefix=None):
     f = Figlet(font='slant')
     print(f.renderText('DRiLLS'))
 
+    if args.fixed_script:
+        params = optimize_with_fixed_script(params, args.fixed_script)
+
     if args.mapping == 'scl':
         fpga_mapping = False
     else:
@@ -72,5 +80,5 @@ def add_usage(self, usage, actions, groups, prefix=None):
         log('Starting agent to optimize')
         learner = A2C(options, load_model=True)
         for _ in range(options['iterations']):
-            # to be completed
+            # TODO: iteratively run the optimizer
             pass

drills/fixed_optimization.py

@@ -0,0 +1,17 @@
+#!/usr/bin/python3
+
+# Copyright (c) 2019, SCALE Lab, Brown University
+# All rights reserved.
+
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree. 
+
+def optimize_with_fixed_script(params, fixed_script_file):
+    """
+    Optimizes the design with the fixed script and writes down a new design file
+    """
+    optimized_design_file = None
+    # TODO: run an scl session with the fixed script.
+
+    params.design_file = optimized_design_file
+    return params