RE: Weird results on a particular ARM platform

[Alex M. <ale...@co...>]

As a follow-up - I've been able to run the Judy1LCheck test on the platform and it also fails almost immediately with:

    Judy1LCheck -n1000000 -S0 -B32

    Judy1LCheck 32 Bit version
    Total Pop Total Ins New Ins Total Del J1MU/I JLMU/I
    Error: JudyLGet failed - Index missing, population = 0, file='Judy1LCheck.c', 'function='TestJudyIns', line 539
    Error: JudyLGet failed - Index missing, population = 0, file='Judy1LCheck.c', 'function='TestJudyIns', line 539

Which confirms the original issue - and also rules out corruption due to other code etc.

Any further ideas would be really appreciated ☺

Thanks
Alex

-----Original Message-----
From: Alex Murray 
Sent: Tuesday, 2 August 2016 1:42 PM
To: judy
Subject: RE: Weird results on a particular ARM platform

Hi John

Thanks for the suggestions - unfortunately there is no file-system on this platform - so I'm going to have a go at getting the existing Judy tests running on it first to see if that turns up anything.

Cheers
Alex

-----Original Message-----
From: john skaller [mailto:sk...@us...] 
Sent: Tuesday, 2 August 2016 1:20 PM
To: judy
Subject: Re: Weird results on a particular ARM platform

[BTW your Alex email address bounced]

Here is an idea, might help, don’t know:

For every Judy access, add code the writes the operation and data to a file.

Now, write a new program that just reads the file and repeats the operations.

[If have actually done this]

There are two outcomes:

(a) the results differ (the test program works)
(b) both fail

If the results differ, it is other code in your product corrupting Judy.

If the test program also fails, then its a bug in Judy (for that processor at least).


—
john skaller
sk...@us...
http://felix-lang.org


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