Re: JSA -- now I believe this is a bug (JSA or AS)
Re: JSA -- now I believe this is a bug (JSA or AS)
- Subject: Re: JSA -- now I believe this is a bug (JSA or AS)
- From: Shane Stanley <email@hidden>
- Date: Thu, 18 Dec 2014 13:48:44 +1100
On 18 Dec 2014, at 1:17 pm, Deivy Petrescu <email@hidden> wrote:
>
> set k to run script "Math.tan((Math.PI)/3)" in “Javascript”
Out of interest, I decided to see how slow it is to run scripts this way. I put your code into Script Geek and told it to time 100 loops. The average was around 0.014 seconds, so the answer is "very slow". But if I run it a few times, it crashes Script Geek rather spectacularly.
The crash report shows 1994(!) threads running, all but 7 of them in JavaScriptCore. The crashing thread at least hints at a sense of humor:
Thread 7 Crashed:
0 com.apple.JavaScriptCore 0x00007fff921c8f6e WTFCrash + 62
1 com.apple.JavaScriptCore 0x00007fff91ffcd86 JSC::MachineThreads::makeUsableFromMultipleThreads() + 38
2 com.apple.JavaScriptCore 0x00007fff91ffce09 JSGlobalContextCreateInGroup + 89
3 com.apple.JavaScriptCore 0x00007fff9237f8fa -[JSContext initWithVirtualMachine:] + 122
4 com.apple.JavaScriptAppleEvents 0x000000011113044e __JSAEContextCreate_block_invoke78 + 47
By comparison, this:
use framework "ASObjCExtras"
set k to current application's SMSFord's tanValueOf:(pi / 3)
took 0.006 seconds -- in total, for all 100 runs. Using Satimage's "tan" command was twice as fast again.
--
Shane Stanley <email@hidden>
<www.macosxautomation.com/applescript/apps/>
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