From ada04a42528c29ea86e48f0a19cb8723c8bc0a66 Mon Sep 17 00:00:00 2001
From: David Luevano <55825613+luevano@users.noreply.github.com>
Date: Thu, 12 Dec 2019 20:49:41 -0700
Subject: First working parallelism

---
 main.py | 97 +++++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 64 insertions(+), 33 deletions(-)

(limited to 'main.py')

diff --git a/main.py b/main.py
index 734069920..9d7d3a645 100644
--- a/main.py
+++ b/main.py
@@ -21,40 +21,71 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 """
 import time
-from misc import printc
+from multiprocessing import Process, Pipe
 # import matplotlib.pyplot as plt
+from misc import printc
 from read_qm7_data import read_qm7_data
 from c_matrix import c_matrix_multiple
 from lj_matrix import lj_matrix_multiple
-from do_ml import do_ml
-
-
-# Initialization time.
-init_time = time.perf_counter()
-
-# Data reading.
-zi_data, molecules, nuclear_charge, energy_pbe0, energy_delta =\
-    read_qm7_data()
-
-# Matrices calculation.
-cm_data = c_matrix_multiple(molecules, nuclear_charge, as_eig=True)
-ljm_data = lj_matrix_multiple(molecules, nuclear_charge, as_eig=True)
-
-# ML calculation.
-do_ml(cm_data,
-      energy_pbe0,
-      1000,
-      test_size=100,
-      sigma=1000.0,
-      desc_type='CM')
-do_ml(ljm_data,
-      energy_pbe0,
-      1000,
-      test_size=100,
-      sigma=1000.0,
-      desc_type='L-JM')
-
-# End of program
-end_time = time.perf_counter()
-printc('Program took {:.4f} seconds of runtime.'.format(end_time - init_time),
-       'CYAN')
+# from do_ml import do_ml
+
+
+def main():
+    # Initialization time.
+    init_time = time.perf_counter()
+    procs = []
+    pipes = []
+
+    # Data reading.
+    zi_data, molecules, nuclear_charge, energy_pbe0, energy_delta =\
+        read_qm7_data()
+
+    # Matrices calculation.
+    cm_recv, cm_send = Pipe()
+    pipes.append(cm_send)
+    p1 = Process(target=c_matrix_multiple,
+                 args=(molecules, nuclear_charge, cm_send))
+    procs.append(p1)
+    p1.start()
+
+    ljm_recv, ljm_send = Pipe()
+    pipes.append(ljm_send)
+    p2 = Process(target=lj_matrix_multiple,
+                 args=(molecules, nuclear_charge, ljm_send))
+    procs.append(p2)
+    p2.start()
+
+    cm_data = cm_recv.recv()
+    ljm_data = ljm_recv.recv()
+
+    for pipe, proc in zip(pipes, procs):
+        pipe.close()
+        proc.join()
+
+    print(type(cm_data), cm_data[0])
+    print(type(ljm_data), ljm_data[0])
+
+    """
+    # ML calculation.
+    do_ml(cm_data,
+        energy_pbe0,
+        1000,
+        test_size=100,
+        sigma=1000.0,
+        desc_type='CM')
+    do_ml(ljm_data,
+        energy_pbe0,
+        1000,
+        test_size=100,
+        sigma=1000.0,
+        desc_type='L-JM')
+    """
+
+    # End of program
+    end_time = time.perf_counter()
+    printc('Program took {:.4f} seconds.'.format(end_time - init_time),
+           'CYAN')
+
+
+if __name__ == '__main__':
+    main()
-- 
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