On my laptop, about 13000 backtracks/second

irish-5x5.gif:
	orig 0.25 seconds
	without backjump or forward checking
		Time: 0.792049 Backtracks: 30053
	with forward checking
		Time: 0.484031 Backtracks: 7120
	Caching bit counts.
		Time: 0.18 Backtracks: 6418
			(irish-5x5-0.1.gif: riasc)
irish-6x6:
	orig 359. seconds
	with backjump, other improvements, srand(1)
	Time: 227.970247 Backtracks: 8153188 (8282164)
	using forward checking, 1200 seconds Backtracks: 13846593
	Caching bit counts.
		Time: 211.06 Backtracks: 10548691
			(irish-6x6-0.gif: altóir)
french-6x6:
	84 seconds, 849616 backtracks 
	4.2 seconds, 38311 backtracks 
	1.54 seconds, 14166 backtracks
	with backjump, other improvements, srand(1)
		Time: 1.868116 Backtracks: 30687 (31141)
		french-6x6-0.1.gif (EMPATA)
		Time: 1.628102 Backtracks: 35023 
			(french-6x6-0.2.gif: ESPACA)
	With forward checking.
		Time: 1.33 Backtracks: 10180
			(french-6x6-0.2.gif: ESPACA)
	Caching bit counts.
		Time: 0.40 Backtracks: 7786
			(french-6x6-0.2.gif: ESPACA)
french-7x7-2:
	203 seconds, 1091281 backtracks
	with backjump, other improvements, srand(1)
	Time: 35.418214 Backtracks: 261481 (264936)
		(french-7x7-2.1.gif: PLURIEL)
	With forward checking.
		Time: 33.79 Backtracks: 112265
		(french-7x7-2.2.gif: BRECHET)
	Caching bit counts.
		Time: 0.93 Backtracks: 11365
		(french-7x7-2.3.gif: MAKTOUB)
french-7x7-1:
	457 seconds, 2213144 backtracks
	with backjump, other improvements, srand(1)
	Time: 20.449278 Backtracks: 139575 (142013)
		(french-7x7-1.1.gif: MOULAGE)
	With forward checking.
	Time: 16.91 Backtracks: 39310
		(french-7x7-1.2.gif: BUTASSE)
	Caching bit counts.
	Time: 3.00 Backtracks: 30880
		(french-7x7-1.2.gif: BUTASSE)
french-7x7-0:
	4807 seconds, 22499662 backtracks
	with backjump, other improvements, srand(1)
	Time: 1792.716038 Backtracks: 13758988 (13941111)
		(french-7x7-0.1.gif: BRASERA)
english-6x6-0
	with backjump, other improvements, srand(1)
	Time: 13.11 Backtracks: 257393
	With forward checking.
	Time: 12.32 Backtracks: 94750
		(english-6x6.0.1.gif: SEESAW)
	Caching bit counts.
	Time: 1.87 Backtracks: 49708
		(english-6x6.0.1.gif: SEESAW)


on 4c132, about 17000 backtracks/second

french-6x6.gif: 2.25 seconds, 38186 backtracks
french-8x8-2: 7263 seconds, 40197159 backtracks

	TRAPPERA
	REMPOTEZ
	IPE LACO
	MENDIGOT
	ENDURERA
	USER RDS
	RAUCHEES
	STRIASSE

french-8x8-1: 586773 seconds 

