Let's compare with my Blizzard 1230 at 60 Mhz : ACA1230@56 is always faster !
Blizzard 1230@60________________________________________ACA 1230@56 with ACATune v1.02b6
fast $70968000 readw 101.3 ns norm 19.8 * 10^6 byte/s______ fast $70968000 readw 81.8 ns norm 24.4 * 10^6 byte/s_____________ACA 24% faster
fast $70968000 readl 137.2 ns norm 29.2 * 10^6 byte/s________fast $70968000 readl 93.5 ns norm 42.8 * 10^6 byte/s______________ACA 47% faster
fast $70968000 readm 124.3 ns norm 32.2 * 10^6 byte/s_______fast $70968000 readm 119.8 ns norm 33.4 * 10^6 byte/s____________ACA 4% faster
fast $70968000 writew 102.7 ns norm 19.5 * 10^6 byte/s______fast $70968000 writew 107.2 ns norm 18.7 * 10^6 byte/s____________same speed
fast $70968000 writel 103.1 ns norm 38.8 * 10^6 byte/s_______fast $70968000 writel 106.5 ns norm 37.6 * 10^6 byte/s_____________same speed
fast $70968000 writem 106.4 ns norm 37.6 * 10^6 byte/s______fast $70968000 writem 96.4 ns norm 41.5 * 10^6 byte/s_____________ACA 10% faster
chip $000F0000 readw 741.2 ns norm 2.7 * 10^6 byte/s_______chip $000F0000 readw 445.9 ns norm 4.5 * 10^6 byte/s______________ACA 66% faster
chip $000F0000 readl 743.0 ns norm 5.4 * 10^6 byte/s________chip $000F0000 readl 571.4 ns norm 7.0 * 10^6 byte/s_______________ACA 30% faster
chip $000F0000 readm 635.6 ns norm 6.3 * 10^6 byte/s_______chip $000F0000 readm 630.3 ns norm 6.3 * 10^6 byte/s______________same speed
chip $000F0000 writew 575.4 ns norm 3.5 * 10^6 byte/s_______chip $000F0000 writew 572.0 ns norm 3.5 * 10^6 byte/s_____________same speed
chip $000F0000 writel 574.9 ns norm 7.0 * 10^6 byte/s________chip $000F0000 writel 572.4 ns norm 7.0 * 10^6 byte/s______________same speed
chip $000F0000 writem 575.0 ns norm 7.0 * 10^6 byte/s_______chip $000F0000 writem 572.1 ns norm 7.0 * 10^6 byte/s_____________same speed
Blizzard 1230@60________________________________________ACA 1230@56 without ACATune
fast $70968000 readw 101.3 ns norm 19.8 * 10^6 byte/s______ fast $70968000 readw 106.9 ns norm 18.7 * 10^6 byte/s____________same speed
fast $70968000 readl 137.2 ns norm 29.2 * 10^6 byte/s________fast $70968000 readl 144.1 ns norm 27.8 * 10^6 byte/s_____________same speed
fast $70968000 readm 124.3 ns norm 32.2 * 10^6 byte/s_______fast $70968000 readm 131.3 ns norm 30.5 * 10^6 byte/s____________same speed
fast $70968000 writew 102.7 ns norm 19.5 * 10^6 byte/s______fast $70968000 writew 107.4 ns norm 18.6 * 10^6 byte/s____________same speed
fast $70968000 writel 103.1 ns norm 38.8 * 10^6 byte/s_______fast $70968000 writel 108.0 ns norm 37.0 * 10^6 byte/s_____________same speed
fast $70968000 writem 106.4 ns norm 37.6 * 10^6 byte/s______fast $70968000 writem 95.5 ns norm 41.9 * 10^6 byte/s_____________ACA 11% faster
chip $000F0000 readw 741.2 ns norm 2.7 * 10^6 byte/s_______chip $000F0000 readw 446.1 ns norm 4.5 * 10^6 byte/s______________ACA 66% faster
chip $000F0000 readl 743.0 ns norm 5.4 * 10^6 byte/s________chip $000F0000 readl 571.2 ns norm 7.0 * 10^6 byte/s_______________ACA 30% faster
chip $000F0000 readm 635.6 ns norm 6.3 * 10^6 byte/s_______chip $000F0000 readm 630.5 ns norm 6.3 * 10^6 byte/s______________same speed
chip $000F0000 writew 575.4 ns norm 3.5 * 10^6 byte/s_______chip $000F0000 writew 572.0 ns norm 3.5 * 10^6 byte/s_____________same speed
chip $000F0000 writel 574.9 ns norm 7.0 * 10^6 byte/s________chip $000F0000 writel 572.0 ns norm 7.0 * 10^6 byte/s______________same speed
chip $000F0000 writem 575.0 ns norm 7.0 * 10^6 byte/s_______chip $000F0000 writem 572.9 ns norm 7.0 * 10^6 byte/s_____________same speed
