engineer katlogic
katlogic
/ gist:a2fe17837fe573bee740
Last active
October 1, 2015 03:49
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| Using modified https://github.com/pygy/strung.lua | |
| Patch here: https://gist.github.com/katlogic/51f657379c9417a9f1f5 | |
| Original LuaJIT: | |
| $ time ~/LuaJIT/src/luajit-orig tests/patterns.lua bench | |
| 0.10434,"find"," !#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]","%a+","1" | |
| 0.017393,"find","","%z","1" | |
| 0.022955,"find","","[%z]","1" | |
| 0.021452,"find","","[%z]","1" |
katlogic
/ patbench.txt
Last active
September 30, 2015 21:22
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| Using modified https://github.com/pygy/strung.lua | |
| Patch here: https://gist.github.com/katlogic/51f657379c9417a9f1f5 | |
| $ time ~/LuaJIT/src/luajit tests/patterns.lua bench | |
| 0.000152,"find"," !#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]","%a+","1" | |
| 7.5e-05,"find","","%z","1" | |
| 6.6e-05,"find","","[%z]","1" | |
| 6.5e-05,"find","","[%z]","1" | |
| 6.4e-05,"find","AAAAAA","%f[%l]a","1" | |
| 6.5e-05,"find","AAAAAA","%f[%l]","1" |
katlogic
/ strung.diff
Created
September 30, 2015 20:52
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| diff --git a/tests/common.lua b/tests/common.lua | |
| index ffe73c8..0e294a0 100644 | |
| --- a/tests/common.lua | |
| +++ b/tests/common.lua | |
| @@ -34,11 +34,13 @@ if bench then | |
| end | |
| tstring[i] = os.clock() - tic | |
| - local tic = os.clock() | |
| - for i = 1, II do |
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| track2={} | |
| track={} | |
| setmetatable(track,{__mode="k"}) | |
| setmetatable(track2,{__mode="v"}) | |
| function wrap(p) | |
| local orig = track2[p] | |
| print(orig) | |
| getmetatable(orig).__gc(orig) | |
| end | |
| function setmetatable52(t,v) |
katlogic
/ 52emu.lua
Created
September 26, 2015 19:21
— forked from SoniEx2/52emu.lua
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| local track={} | |
| setmetatable(track,{__mode="v"}) | |
| function setmetatable52(t,mt) | |
| if mt.__gc then | |
| local p = newproxy(true) | |
| track[p] = t | |
| getmetatable(p).__gc = function(p) | |
| local mt = debug.getmetatable(t) | |
| if mt and rawget(mt, "__gc") then | |
| rawget(mt, "__gc")(t) |
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| track={} | |
| setmetatable(track,{__mode="k"}) | |
| function setmetatable52(t,v) | |
| if v.__gc then | |
| track[t] = newproxy(true) | |
| getmetatable(track[t]).__gc = function(dummy) | |
| v.__gc(t) | |
| end | |
| end | |
| setmetatable(t,v) |
katlogic
/ gist:2b07a4519d85a5de393e
Created
December 22, 2014 13:35
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| bold = "\x02" | |
| red = "\x034" | |
| green = "\x033" | |
| yellow = "\x0312" | |
| normal = "\x030" | |
| # config | |
| cfg = require './cfg.js' | |
| pfx = cfg.cmdpfx |
katlogic
/ gist:9d1ff04358e07c3d74d8
Last active
August 29, 2015 14:10
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| shabal_context tpl; | |
| shabal_init(&tpl, 256); | |
| shabal(&tpl, minfo->gen, 32); | |
| for (j = 0; j < nonces_per_stagger; j++) { | |
| u64 *info = (u64*)(&stagger[j][0]); | |
| memcpy(&ctx, &tpl, sizeof(tpl)); | |
| shabal(&ctx, &stagger[j][0], 64); | |
| shabal_close(&ctx, 0, 0, res); | |
| u64 work = *((uint64_t *)res); | |
| if (work < best_work) { |
katlogic
/ gist:73a6cc92c465cc0b5fb3
Created
November 28, 2014 03:37
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| Uncaught TypeError: undefined is not a function | |
| VM134:16 scaleDeadlineValue | |
| VM134:16initBlocktimeChart | |
| VM131:116(anonymous function) | |
| VM131:594(anonymous function) | |
| index.js:19 |
katlogic
/ gist:0fcf4398f772bfae8b45
Created
November 26, 2014 19:18
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| var memoize = [] | |
| for (var i = 0; i < HEADER_DATA_KEYS.length; i++) { | |
| var headerKey = HEADER_DATA_KEYS[i]; | |
| var msgVal = message[headerKey]; | |
| memoize[i] = msgVal; // this incurs penalty. | |
| } | |
| // but worth it, because reused many times over. | |
| while (1) { | |
| for (var i = 0; i < HEADER_DATA_KEYS.length; i++) { | |
| doStuff(memoize[i]); // see, the lookup is simpler. |