MaskPlace: Fast Chip Placement via Reinforced Visual Representation Learning

A new chip placement method based on visual representation learning.

The placement process animation

Benchmark: Bigblue3

Placement	Pos Mask t	Wire Mask t
View Mask	Pos Mask t+1	Wire Mask t+1

Standard Cell Placement

Benchmark: Bigblue3
Fix macros and use DREAMPlace (classic optimization-based method) to place standard cells.

Full Benchmark demonstration

Benchmark	DREAMPlace	Graph	DeepPR	MaskPlace
adaptec1
HPWL (105)	17.94	26.05	21.36	6.57
Wirel (105)	19.24	28.54	25.64	7.36
adaptec2
HPWL (105)	135.32	359.35	197.13	79.98
Wirel (105)	140.91	381.64	205.78	83.59
adaptec3
HPWL (105)	112.28	392.66	340.29	79.33
Wirel (105)	119.23	409.37	372.02	85.28
adaptec4
HPWL (105)	37.77	152.89	243.12	75.75
Wirel (105)	47.90	179.43	290.14	88.87
bigblue1
HPWL (105)	2.50	8.32	20.49	2.42
Wirel (105)	3.41	10.00	25.68	3.14
bigblue3
HPWL (105)	104.05	345.49	439.09	82.61
Wirel (105)	107.58	373.33	517.86	88.51
ariane
HPWL (105)	20.30	16.83	51.43	14.86
Wirel (105)	21.72	18.48	55.85	15.80