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Re: Our perl/xs/c app is 30% slower with 64bit 5.24.0, than with 32bit 5.8.9. Why?

by talexb (Chancellor)
on Dec 21, 2016 at 16:42 UTC ( [id://1178307]=note: print w/replies, xml ) Need Help??


in reply to Our perl/xs/c app is 30% slower with 64bit 5.24.0, than with 32bit 5.8.9. Why?

My first thought is that the issue is with memory, and not whether it's a 32-bit or 64-bit processor running the package. Do the servers have the same amount of memory/ Is there sufficient memory to run the programs? Are there more instances of the programs running? What kind of shape is the cache in?

Alex / talexb / Toronto

Thanks PJ. We owe you so much. Groklaw -- RIP -- 2003 to 2013.

  • Comment on Re: Our perl/xs/c app is 30% slower with 64bit 5.24.0, than with 32bit 5.8.9. Why?

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