Best Python code snippet using localstack_python
multiwren.py
Source:multiwren.py
1import wren2import time3import boto3 4import uuid5import numpy as np6import time7from multiprocessing.pool import ThreadPool8MAT_N = 40969def compute_flops(loopcount):10 11 A = np.arange(MAT_N**2, dtype=np.float64).reshape(MAT_N, MAT_N)12 B = np.arange(MAT_N**2, dtype=np.float64).reshape(MAT_N, MAT_N)13 t1 = time.time()14 for i in range(loopcount):15 c = np.sum(np.dot(A, B))16 FLOPS = 2 * MAT_N**3 * loopcount17 t2 = time.time()18 return FLOPS / (t2-t1)19if __name__ == "__main__":20 t1 = time.time()21 sdbclient = boto3.client('sdb', region_name='us-west-2')22 job_id = str(uuid.uuid1())23 print "job_id=", job_id24 N = 1025 LOOPCOUNT = 526 extra_env = {"OMP_NUM_THREADS" : "1"} 27 pool = ThreadPool(64)28 29 call_result_objs = []30 for i in range(N):31 def f():32 wren.call_async(compute_flops, LOOPCOUNT, job_id = job_id, 33 extra_env=extra_env)34 cb = pool.apply_async(f)35 call_result_objs.append(cb)36 invocation_done = False37 while not invocation_done:38 invocation_done = True39 for result_obj in call_result_objs:40 if not result_obj.ready() :41 invocation_done = False42 time.sleep(1)43 44 print "invocation done, dur=", time.time() - t145 result_count = 046 while result_count < N:47 r = sdbclient.select(SelectExpression="select count(*) from test_two where job_id='{}'".format(job_id))48 result_count = int(r['Items'][0]['Attributes'][0]['Value'])49 est_flop = 2 * result_count * LOOPCOUNT * MAT_N**350 51 est_gflops = est_flop / 1e9/(time.time() - t1)52 print "jobs done: {:5d} runtime: {:5.1f}s {:8.1f} GFLOPS ".format(result_count, 53 time.time()-t1, 54 est_gflops)55 if result_count == N:56 break57 58 time.sleep(1)59 all_done = time.time()60 total_time = all_done - t161 print "total time", total_time62 est_flop = result_count * 2 * LOOPCOUNT * MAT_N**363 ...
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