It's the same as bytea but with 8-byte alignment. My understanding of why it was added (this was before my time with MADlib) is that most of the models used Eigen which worked faster with SSE2. The 8-byte alignment helped in running the SSE2 instructions.
On Tue, Jul 19, 2016 at 2:59 PM, Jim Nasby <[email protected]> wrote: > On 7/19/16 3:25 PM, Rahul Iyer wrote: > >> The error message indicated that the madlib.bytea8 composite type was >> missing or invalid. >> > > Out of curiosity, why is that type needed? > -- > Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX > Experts in Analytics, Data Architecture and PostgreSQL > Data in Trouble? Get it in Treble! http://BlueTreble.com > 855-TREBLE2 (855-873-2532) mobile: 512-569-9461 >
