| 1 | #!/bin/env python |
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| 2 | |
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| 3 | '''Testlet to run the QuadratureParallelInterleaved test.''' |
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| 4 | |
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| 5 | import os |
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| 6 | import time |
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| 7 | import test_utils as util |
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| 8 | |
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| 9 | Processor_Numbers = [1, 2, 4, 8, 16] |
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| 10 | |
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| 11 | name = 'Running quadrature parallel interleaved test' |
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| 12 | |
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| 13 | def test(logfile): |
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| 14 | result = True |
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| 15 | |
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| 16 | (cluster, domain) = util.get_hostname() |
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| 17 | |
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| 18 | # get python to run |
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| 19 | python_env_var = os.getenv('PYTHON') |
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| 20 | |
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| 21 | # compile C code |
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| 22 | util.log_print_nl(logfile, 'Compiling quadrature_parallel_interleaved.c:') |
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| 23 | obj_file = 'quadrature_parallel_interleaved' |
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| 24 | cmd = ('mpicc quadrature_parallel_interleaved.c -lm -o %s' % obj_file) |
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| 25 | util.log_print_nl(logfile, cmd) |
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| 26 | (_, fd) = os.popen4(cmd) |
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| 27 | output = fd.read() |
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| 28 | status = fd.close() |
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| 29 | if status: |
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| 30 | util.log_print_nl(logfile, 'ERRORS COMPILING') |
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| 31 | util.log_print(logfile, output) |
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| 32 | return False |
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| 33 | |
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| 34 | util.log_print_nl(logfile) |
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| 35 | |
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| 36 | # run the tests |
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| 37 | results = [] |
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| 38 | machines_file = os.path.join('~', '.machines_%s' % cluster) |
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| 39 | single_processor_time = None |
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| 40 | for num_procs in Processor_Numbers: |
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| 41 | cmd = ('mpirun -nolocal -np %2d -hostfile %s %s' |
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| 42 | % (num_procs, machines_file, obj_file)) |
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| 43 | util.log_print(logfile, cmd + ' ...') |
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| 44 | (_, fd) = os.popen4(cmd) |
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| 45 | output = fd.readlines() |
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| 46 | status = fd.close() |
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| 47 | if status: |
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| 48 | util.log_print_nl(logfile, 'ERRORS') |
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| 49 | util.log_print(logfile, '\n'.join(output)) |
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| 50 | return False |
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| 51 | |
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| 52 | for line in output: |
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| 53 | if line.startswith('Time'): |
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| 54 | (_, elapsed_time) = line.split(' = ', 1) |
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| 55 | elapsed_time = elapsed_time.strip() |
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| 56 | (elapsed_time, _) = elapsed_time.split(' ', 1) |
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| 57 | elapsed_time = float(elapsed_time) |
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| 58 | |
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| 59 | if elapsed_time is None: |
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| 60 | util.log_print_nl(logfile, 'ERRORS') |
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| 61 | util.log_print(logfile, '\n'.join(output)) |
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| 62 | return False |
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| 63 | |
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| 64 | results.append((num_procs, elapsed_time)) |
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| 65 | util.log_print_nl(logfile, 'took %.1fs' % elapsed_time) |
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| 66 | |
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| 67 | # interpret the results |
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| 68 | util.log_print(logfile, '\nResults of quadrature interleaved parallel test on %s\n' % cluster) |
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| 69 | util.log_print(logfile, '%s\t%s\t%s\t%s\n' % ('#procs', 'time', 'speedup', 'parallel efficiency')) |
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| 70 | |
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| 71 | single_processor_time = None |
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| 72 | for (num_processors, elapsed_time) in results: |
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| 73 | num_processors = int(num_processors) |
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| 74 | if num_processors == 1: |
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| 75 | single_processor_time = elapsed_time |
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| 76 | |
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| 77 | speedup = single_processor_time / elapsed_time |
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| 78 | parallel_efficiency = speedup / num_processors |
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| 79 | |
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| 80 | util.log_print(logfile, '%d\t%.2f\t%.2f\t%.2f\n' |
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| 81 | % (num_processors, elapsed_time, speedup, parallel_efficiency)) |
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| 82 | |
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| 83 | os.remove(obj_file) |
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| 84 | |
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| 85 | return result |
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| 86 | |
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| 87 | |
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| 88 | if __name__ == '__main__': |
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| 89 | import sys |
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| 90 | |
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| 91 | logfile = 'test.log' |
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| 92 | if len(sys.argv) > 1: |
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| 93 | logfile = sys.argv[1] |
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| 94 | |
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| 95 | try: |
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| 96 | os.remove(logfile) |
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| 97 | except: |
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| 98 | pass |
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| 99 | |
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| 100 | if not test(logfile): |
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| 101 | sys.exit(10) |
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| 102 | |
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| 103 | sys.exit(0) |
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