Processor Cores - Heterogeneous Multicore Processor Technologies for Embedded Systems - page 99

MX-1 : (2b grain PE with conventional MPC)
Case A : (4b grain PE with conventional MPC)
MX-2 : (4b grain PE with improved MPC)

FFT (2048point)

FFT (8point)

3x3 Convolution
Filter

3x3 Median Filter

Optical Flow

Look Up Table

Harris Operator

0 10 20 30 40 50 60 70 80 90 100

Normalized Operating Cycles (a.u.)

Fig. 3.73 Comparison of MX-1's and MX-2's performance

Fig. 3.74 Micrograph of MX-2 core

Table 3.18 Performance of MX-2
Process technology 65 nm 7Cu CMOS low standby process

Core size 5.29 mm 2

Operation frequency 300 MHz(normal frequency)

560 MHz(double frequency)

Power consumption 330 mW

Maximum performance 61.5GOPS

(16b addition)
10.4GOPS
(fixed point signed 16bit MAC)