Re: README.MacOS

[Ben Abbott]

On Jan 31, 2011, at 1:10 AM, Jarno Rajahalme wrote:

> On Jan 29, 2011, at 16:16 , ext Ben Abbott wrote:
> 
>> On Jan 28, 2011, at 12:27 PM, Jarno Rajahalme wrote:
>> 
>>> On Jan 27, 2011, at 15:32 , ext Ben Abbott wrote:
>>> 
>>>> On Jan 27, 2011, at 5:11 AM, Jarno Rajahalme wrote:
>>>> 
>>>>>> Jarno/Lukas, pls respond at the *bottom* of the email thread, as it 
>>>>>> makes it much easier for those arriving late to follow along. Thanks!
>>>>>> 
>>>>>> Jarno, is MacResearch a part of Apple?
>>>>> 
>>>>> Sorry for the laziness, takes effort to scroll to the bottom :-)
>>>>> 
>>>>> On MacResearch, I don't know. I have no other connection to them, other 
>>>>> than finding relevant discussion to problems using Apple's version of 
>>>>> atlas in 64-bit. According to 
>>>>> http://www.macresearch.org/about_macresearch they are independent.
>>>>> 
>>>>> Jarno
>>>> 
>>>> What I was wondering is if this bug has been reported to Apple? From your 
>>>> prior comment I'd inferred you had, but the link provided was to 
>>>> MacResearch ... hence my confusion.
>>> 
>>> The bugreport.apple.com Problem ID is 7850167, originally filed in 
>>> 11-Apr-2010 12:04 AM.
>>> 
>>> However, I don't think these are publicly visible, hence the link to the 
>>> discussion at macresearch.
>>> 
>>> I made yesterday a wrapper for the Apple BLAS and LAPACK. Today I have been 
>>> running tests. The complete BLAS test suite passes all tests, as does 
>>> LAPACK linear test suite. However, there are some failures (fails to pass, 
>>> but does not crash) in lapack eigenvalue tests. Many of these failures stay 
>>> even when testing against lapack 3.1.1 itself, without using the wrapper 
>>> for Apple lapack routines. Some failures were resolved by using blas from 
>>> atlas.
>>> 
>>> So it seems there are some bugs left in the apple blas/lapack that are not 
>>> related to the function calling convention at all. With the wrapper these 
>>> seem to affect eigenvalue routines only.
>>> 
>>> Jarno
>> 
>> I'm able to search the bug reports, but must enter a "Problem ID", "Date", 
>> and "Title". You've provided the first two. Do yo have a title as well?
> 
> Sure: "64 bit ABI issue with libBLAS.dylib"
> 
>  Jarno

I'd hoped to be able to use the bugtracker's search feature to keep apprised of 
any updates. Unfortunately, I'm unable to locate the bug (see attached).

Any chance this has already been fixed and will be bundled in the next Xcode?

Ben