Marvell XScale

Configuration

Marvell XScale PXA270 520 MHz - Windows Mobile

Cache

L1 Data cache = 32 KB. 32 B/line.

4 KB pages mode

TLB size = 32 items.

Size Latency Description
32 K 3 TLB + L1
128 K 3 + 300 ns + 300 ns (RAM)
... 3 + 960 ns + 660 ns (TLB miss, + 2 * RAM accesses)

MISC

RAM Read B/W (4 Bytes stride) = 60 MB/s

RAM Read B/W (32 Bytes stride) = 107 MB/s

RAM Write B/W (4-16 Bytes stride) = 260 MB/s

Branch misprediction penalty = 4 cycles.