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pyfec: delete m-k of the tempfiles at random in the benchmark of the to/from files
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@ -27,6 +27,7 @@ import array
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def bench_encode_to_files_shuffle_decode_from_files():
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FILESIZE=1000000
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CHUNKSIZE=4096
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PREFIX="testshare"
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K=25
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M=100
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import os, time
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@ -41,13 +42,18 @@ def bench_encode_to_files_shuffle_decode_from_files():
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outfile = None
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infile = open("tmpranddata", "rb")
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st = time.time()
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fec.filefec.encode_to_files(infile, "testshare", K, M)
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fec.filefec.encode_to_files(infile, PREFIX, K, M)
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so = time.time()
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print "Encoded %s byte file into %d share files in %0.2f seconds, or %0.2f million bytes per second" % (FILESIZE, M, so-st, FILESIZE/((so-st)*1000000),)
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enctime = so-st
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# Now delete m-k of the tempfiles at random.
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tempfs = [ f for f in os.listdir(".") if f.startwith(PREFIX) ]
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tempfs.shuffle()
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for victimtempf in tempfs[:M-K]:
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os.remove(victimtempf)
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recoveredfile = open("tmpranddata-recovered", "wb")
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st = time.time()
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fec.filefec.decode_from_files(recoveredfile, "testshare", K, M)
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fec.filefec.decode_from_files(recoveredfile, PREFIX, K, M)
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so = time.time()
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print "Encoded %s byte file from %d share files in %0.2f seconds, or %0.2f million bytes per second" % (FILESIZE, K, so-st, FILESIZE/((so-st)*1000000),)
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return enctime + (so-st)
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