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https://github.com/bunkerity/bunkerweb
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ae8d8b233d
git-subtree-dir: src/deps/src/lbase64 git-subtree-split: c261320edbdf82c16409d893a96c28c704aa0ab8
76 lines
2 KiB
Lua
76 lines
2 KiB
Lua
local base64 = require'base64'
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local N = 10000000
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local st = {}
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local letters = ' abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
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.. 'абвгдеёжзийклмнопрстуфхцшщчъыьэюя'
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.. 'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦШЩЧЪЫЬЭЮЯ'
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local nletters = #letters
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for i = 1, N do
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local j = math.random( nletters )
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st[i] = letters:sub( j, j )
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end
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local s = table.concat( st )
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local t = os.clock()
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local encoded = base64.encode( s )
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local encodetime = os.clock() - t
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t = os.clock()
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local decoded = base64.decode( encoded )
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local decodetime = os.clock() - t
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assert( s == decoded )
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print('Common text')
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print(('Encoding: %d bytes/sec'):format( math.floor(N/encodetime)))
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print(('Decoding: %d bytes/sec'):format( math.floor(N/decodetime)))
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collectgarbage()
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t = os.clock()
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encoded = base64.encode( s, nil, true )
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encodetime = os.clock() - t
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t = os.clock()
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decoded = base64.decode( encoded, nil, true )
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assert( s == decoded )
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decodetime = os.clock() - t
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print('Common text (cache)')
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print(('Encoding: %d bytes/sec'):format( math.floor(N/encodetime)))
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print(('Decoding: %d bytes/sec'):format( math.floor(N/decodetime)))
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collectgarbage()
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local lt = {}
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for i = 0, 255 do
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lt[i] = string.char(i)
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end
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nletters = #lt
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for i = 1, N do
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local j = math.random( nletters )
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st[i] = lt[j]
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end
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s = table.concat( st )
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t = os.clock()
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encoded = base64.encode( s, nil )
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encodetime = os.clock() - t
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t = os.clock()
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decoded = base64.decode( encoded )
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decodetime = os.clock() - t
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assert( s == decoded )
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print('Binary')
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print(('Encoding: %d bytes/sec'):format( math.floor(N/encodetime)))
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print(('Decoding: %d bytes/sec'):format( math.floor(N/decodetime)))
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collectgarbage()
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t = os.clock()
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encoded = base64.encode( s, nil, true )
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encodetime = os.clock() - t
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t = os.clock()
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decoded = base64.decode( encoded, nil, true )
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assert( s == decoded )
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decodetime = os.clock() - t
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print('Binary (cache)')
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print(('Encoding: %d bytes/sec'):format( math.floor(N/encodetime)))
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print(('Decoding: %d bytes/sec'):format( math.floor(N/decodetime)))
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collectgarbage()
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