Click supports 64-bit arithmetic on 32-bit kernels. It does NOT support 64-bit divide. But this you don't need; just report both numbers and divide at user level.
Eddie [EMAIL PROTECTED] wrote: > Quoting Eddie Kohler <[EMAIL PROTECTED]>: > >> Hi Roman, >> >> Sorry for not responding to this earlier. Click's EWMA classes are usable in > > No problem. I ended up making a simple class that creates a moving window and > averages the values in the window. > >> the kernel and provide a weighted moving average. For a precise average, a >> 64-bit accumulator + count could probably work, especially if you scale down > > I thought that using 64-bit numbers in the 32-bit kernel was not allowed. > > Roman > >> the delay (do you really need all those significant figures?). >> >> Eddie >> >> >> Roman Chertov wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Hello, >>> I have an element that needs to keep a track of an average packet delay >>> and I would like to keep it in the kernel due to speed reasons. >>> Obviously I cannot use floats (to use the usual running average >>> equation) and the numbers wrap around pretty fas, hence the standard >>> method of an accumulator does not work. Does anybody know how to get >>> this issue solved? >>> >>> >>> Many Thanks, >>> >>> Roman >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v1.4.6 (GNU/Linux) >>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org >>> >>> iD8DBQFHYa7iT8ksiSCF2AYRAh1BAKC9pEhGFnyegXNFWNZ3kalZwFACvwCgyvoZ >>> MXz9++9nPR8Q6z2eljTBJO4= >>> =yX8J >>> -----END PGP SIGNATURE----- >>> _______________________________________________ >>> click mailing list >>> click@amsterdam.lcs.mit.edu >>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click > > _______________________________________________ click mailing list click@amsterdam.lcs.mit.edu https://amsterdam.lcs.mit.edu/mailman/listinfo/click
