2 ms·
Do we know how Apple's Cyclone shows roughly 4x better IPC against Krait at Sunspider benchmark? Are the extra registers and bigger L1 enough to explain that?
by hocuspocus 12y ago
Do we know how Apple's Cyclone shows roughly 4x better IPC against Krait at Sunspider benchmark? Are the extra registers and bigger L1 enough to explain that?
- Spittie 12y agoMy best guess is that the Sunspider benchmark like single-threaded performance, and Cyclone destroys Krait/Cortex here. As for why, Cyclone's core are bigger, wider compared to Krait/Cortex, and are Out Of Order. (This is a nice article on that: http://www.extremetech.com/computing/179473-apples-a7-cyclone-cpu-detailed-a-desktop-class-chip-that-has-more-in-common-with-haswell-than-krait http://www.extremetech.com/computing/179473-apples-a7-cyclon...)