Rainbow: An Operating System for Software-Hardware Multitasking on Dynamically Partially Reconfigurable FPGAs

Table 7

HW tasks—synthesis results.

HW task	Slices	Ovhd. (%)	FFs	Ovhd. (%)	LUTs	Ovhd. (%)	BRAMs	Diff. (unit)	DSPs	Ovhd. (%)	FCLK freq. (MHz)	VCLK freq. (MHz)	VCLK diff. (%)
IDCT MSG SW-HW and HW-HW (×64)	5842	36.27%	2035	17.36%	9953	30.33%	0	0	36	0.00%	137.6	66.3	2.00%
		78.65%		20.63%		59.22%		−2		38.46%			−19.54%
IDCT FIFO SW-HW and HW-HW (×64)	5827	35.92%	2028	16.96%	9933	30.06%	0	0	36	0.00%	137.6	66.3	2.00%
		78.20%		20.21%		58.90%		−2		38.46%			−19.54%
IDCT MEM-BC HW-HW (×64)	6083	41.66%	2180	24.93%	10322	35.03%	0	0	36	0.00%	116.8	66.8	2.45%
		85.40%		28.46%		64.84%		−2		38.46%			−18.83%
IDCT MEM-BC SW-HW (×64)	6023	40.27%	2152	23.32%	10209	33.56%	0	0	36	0.00%	133.2	66.8	2.45%
		83.57%		26.81%		63.03%		−2		38.46%			−18.83%
IDCT MEM-REG SW-HW (×64)	5979	39.18%	2215	26.64%	10077	31.66%	0	0	36	0.00%	133	66.3	3.43%
		82.06%		30.83%		60.74%		−2		38.46%			−19.44%
SHA FIFO SW-HW (×16)	5056	66.15%	3215	8.87%	8566	63.75%	0	0	0	0.00%	204.6	130.1	−14.65%
		91.95%		10.14%		80.49%		−1		0.00%			−15.35%
SHA FIFO SW-HW (×32)	5243	67.03%	3234	9.59%	8799	64.41%	0	0	0	0.00%	165.1	130.1	−16.17%
		103.69%		10.60%		87.53%		−2		0.00%			−15.35%
SHA FIFO SW-HW (×64)	5543	68.63%	3245	9.89%	9149	65.59%	0	0	0	0.00%	151.4	130.2	−16.11%
		115.35%		10.94%		94.91%		−2		0.00%			−15.29%
IDCT TB MSG HW-HW (×64)	1259	672.39%	656	412.50%	1648	499.27%	0	0	0	0.00%	174.4	164.4	−44.72%
		899.21%		583.33%		610.34%		−1		0.00%			−45.09%
IDCT TB FIFOHW-HW (×64)	1249	666.26%	644	403.13%	1630	492.73%	0	0	0	0.00%	165	164.4	−44.72%
		891.27%		570.83%		602.59%		−1		0.00%			−45.09%
IDCT TB MEM-BC HW-HW (×64)	1400	709.25%	746	436.69%	1840	538.89%	0	0	0	0.00%	185.6	183.3	−38.37%
		929.41%		597.20%		651.02%		−1		0.00%			−38.78%

Unless indicated otherwise, the values in the table are unitless.