By: anon2 (anon.delete@this.anon.com), April 7, 2021 8:53 pm
Room: Moderated Discussions
sr (nobody.delete@this.nowhere.com) on April 7, 2021 10:09 am wrote:
> Aspect of Anonimity (aoa.delete@this.hjiffdhkoouggkl.com) on April 6, 2021 3:20 pm wrote:
>
> > My cpu does not ask me what to do every time it aborts...
>
> Yeah, it will just crash. One problem TSX could face is out of memory error. Both TSX operation
> and you cpu will crash identically without fallback-path, and if your program was using same
> try-catch approach for memory intensive operations it could also ask what to do after exception
> and maybe take less memory-intensive yet less optimized path to solve problem.
Have you ever actually used TM? In any serious projects that sees a sigificant benefit from it?
I ask because several people are bullish on TM here but everything still appears to be totally handwavy as though there has been no learning about it since 1993, *or* people have been keeping secret all their great success with TM.
>
> Fallback path isn't requirement for transitional memory, it is there because hardware now is not
> designed to fully support it and making fallback-path instead of relying strict hardware limits.
A fallback is absolutely required for TLE.
> Aspect of Anonimity (aoa.delete@this.hjiffdhkoouggkl.com) on April 6, 2021 3:20 pm wrote:
>
> > My cpu does not ask me what to do every time it aborts...
>
> Yeah, it will just crash. One problem TSX could face is out of memory error. Both TSX operation
> and you cpu will crash identically without fallback-path, and if your program was using same
> try-catch approach for memory intensive operations it could also ask what to do after exception
> and maybe take less memory-intensive yet less optimized path to solve problem.
Have you ever actually used TM? In any serious projects that sees a sigificant benefit from it?
I ask because several people are bullish on TM here but everything still appears to be totally handwavy as though there has been no learning about it since 1993, *or* people have been keeping secret all their great success with TM.
>
> Fallback path isn't requirement for transitional memory, it is there because hardware now is not
> designed to fully support it and making fallback-path instead of relying strict hardware limits.
A fallback is absolutely required for TLE.