3 ms·
The problem with POWER7 has been the IO connectivity. The use of the GX++ bus has been a huge bottleneck (something they are obviously fixing for POWER8). The t
by StillBored 13y ago
The problem with POWER7 has been the IO connectivity. The use of the GX++ bus has been a huge bottleneck (something they are obviously fixing for POWER8). The theoretical bandwidth on GX++ is 20Gbit and so its basically the equivalent of a single x4 PCIE 2.0 slot. This was borderline bad in 2010 when POWER7 was released, now it looks even worse.