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function keepTrying(otherArgs, promise) { | |
promise = promise||new Promise(); | |
// try doing the important thing | |
if(success) { | |
promise.resolve(result); | |
} else { | |
setTimeout(function() { | |
keepTrying(otherArgs, promise); |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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<? | |
///////////////////// | |
// slack2html | |
// by @levelsio | |
///////////////////// | |
// | |
///////////////////// | |
// WHAT DOES THIS DO? | |
///////////////////// | |
// |
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<xml id="toolbox" style="display: none"> | |
<category name="{catLogic}" colour="210"> | |
<block type="controls_if"></block> | |
<block type="logic_compare"></block> | |
<block type="logic_operation"></block> | |
<block type="logic_negate"></block> | |
<block type="logic_boolean"></block> | |
<block type="logic_null"></block> | |
<block type="logic_ternary"></block> | |
</category> |
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/// This is free and unencumbered software released into the public domain. | |
/// | |
/// Anyone is free to copy, modify, publish, use, compile, sell, or | |
/// distribute this software, either in source code form or as a compiled | |
/// binary, for any purpose, commercial or non-commercial, and by any | |
/// means. | |
/// | |
/// In jurisdictions that recognize copyright laws, the author or authors | |
/// of this software dedicate any and all copyright interest in the | |
/// software to the public domain. We make this dedication for the benefit |