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Results - Atmel AVR
[AVR / WinAVR]

Time measurements were obtained using an oscilloscope attached to a digital output. See the "Tests Performed" section for more details.
Un-bracketed times are those obtained with compiler option -O3 (full optimization).
Times in (parenthesis) are those obtained with compiler option -Os (size optimization).
Times in [brackets] are those obtained with compiler option -O0 (no optimization).

Software Test

Result

16bit addition

40.4μs, (40.4μs)

16bit multiplication

60.8μs, (60.8μs)

16bit division

538μs, (540μs), [546μs].

32bit multiplication

191μs, (196μs), [203μs].

32bit subtraction

75.6μs, (75.6μs)

Bubble sort

836μs, (834μs), [2.42ms].

Block memory move and compare

5.8ms, (5.8ms), [5.84ms].

Conditional branch to procedure

143.6μs, (140μs), [392μs].

Scheduler tick function

41.8μs, (56.2μs), [52.8μs].

PUSH’ing and POP’ing

258μs, (258μs)





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