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I know that there are of course going to be some struggles. But I'd love to know what specifically makes it so much slower, compared to a JavaScript equivalent, or just using 7-Zip.

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  • I don't know the exact answer, but it's likely to do with CPU threads. 7Zip will use all cores to share the workload, unless expressely told otherwise. Sep 3, 2019 at 12:14
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    What exactly are you doing in VBScript? Are you loading a native-code module to do the main job, or are you implementing all the decompression algorithms in VBScript directly? Likewise, does the JS version load a native module? Sep 3, 2019 at 12:47
  • Also, are you comparing against the Windows JScript runtime, or against something more modern such as the Node JavaScript runtime? Sep 3, 2019 at 12:48
  • @grawity most likely it is the native-code for VBScript. As for the JS, it's definitely not Node JS, though I'm not too sure. The zipping JS I was talking about comes from here Also, for what I've been using when it comes to VBScript is here Sep 4, 2019 at 1:14

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