For simple answer: "yes". All must be compatible with 64 bit data/address handling.
On 4 August 2011 12:02, Shashank Jain <shashan...@gmail.com> wrote: > man this is too big of a page to go thru... > so tell as both (OS nd pro) are 64 bit why is ptr size 4 bytes? > nd also does it depend on all 3 : OS, processor, compiler ? > > Shashank Jain > IIIrd year > Computer Engineering > Delhi College of Engineering > > > > On Thu, Aug 4, 2011 at 11:57 AM, Dipankar Patro <dip10c...@gmail.com>wrote: > >> there absolutely nothing wrong in your interpretation. >> here is a link that might help : >> http://www.unix.org/whitepapers/64bit.html >> >> >> On 4 August 2011 11:18, Shashank Jain <shashan...@gmail.com> wrote: >> >>> see dipankar, i hv 64 bit OS nd processor bt i dont know abt the >>> compiler. nd yeah size of int is 4 bytes. so tell me where im interpreting >>> wrong? >>> >>> Shashank Jain >>> 3rd year, Computer Engg. >>> Delhi College of Engineering >>> >>> >>> >>> On Thu, Aug 4, 2011 at 11:16 AM, Dipankar Patro <dip10c...@gmail.com>wrote: >>> >>>> This has been a hot topic of discussion for a long time. But I found >>>> there are two things to look into it: >>>> >>>> 1. a 64 bit OS is one, which has 64 bit address handling capacity. and a >>>> 64bit processor is one which can perform operations on 64 bit data. A >>>> general concept that actually gets overlooked by many. Even I was confused >>>> with differences of 64 bit OS and Processors a while back. >>>> >>>> 2. if a compiler by it's own doesn't support 64 bit, it might be the >>>> case that even if you run on a 64 bit OS, size of int will be 4 bytes (32 >>>> bit). >>>> >>>> I think the best way to check out is to make a code on 64 bit compiler. >>>> If somebody has tried it please share the results. >>>> >>>> On 4 August 2011 10:38, Tushar Bindal <tushicom...@gmail.com> wrote: >>>> >>>>> never assume that he compiler is same as the OS you run. it may be that >>>>> you are running a 32-bit compiler >>>>> >>>>> I think pointers have size 4bytes on 8 byte compiler also - not sure. >>>>> someone please correct me. >>>>> >>>>> >>>>> On Thu, Aug 4, 2011 at 10:26 AM, Shashank Jain >>>>> <shashan...@gmail.com>wrote: >>>>> >>>>>> the size of a pointer is showing 4 bytes in my 64-bit OS, which should >>>>>> have been 8 bytes. Correct me where i am wrong? >>>>>> >>>>>> Shashank Jain >>>>>> 3rd year, Computer Engg. >>>>>> Delhi College of Engineering >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Algorithm Geeks" group. >>>>>> To post to this group, send email to algogeeks@googlegroups.com. >>>>>> To unsubscribe from this group, send email to >>>>>> algogeeks+unsubscr...@googlegroups.com. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Tushar Bindal >>>>> Computer Engineering >>>>> Delhi College of Engineering >>>>> Mob: +919818442705 >>>>> E-Mail : tushicom...@gmail.com >>>>> Website: www.jugadengg.com >>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Algorithm Geeks" group. >>>>> To post to this group, send email to algogeeks@googlegroups.com. >>>>> To unsubscribe from this group, send email to >>>>> algogeeks+unsubscr...@googlegroups.com. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>> >>>> >>>> >>>> -- >>>> >>>> ___________________________________________________________________________________________________________ >>>> >>>> Please do not print this e-mail until urgent requirement. Go Green!! >>>> Save Papers <=> Save Trees >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to algogeeks@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> algogeeks+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to algogeeks@googlegroups.com. >>> To unsubscribe from this group, send email to >>> algogeeks+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> >> >> -- >> >> ___________________________________________________________________________________________________________ >> >> Please do not print this e-mail until urgent requirement. Go Green!! >> Save Papers <=> Save Trees >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- ___________________________________________________________________________________________________________ Please do not print this e-mail until urgent requirement. Go Green!! Save Papers <=> Save Trees -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
