Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 1 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 1 of 63
`
`
`
`EXHIBIT 4
`EXHIBIT 4
`
`

`

`USOO8269523B2
`
`(12) United States Patent
`Konda
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,269,523 B2
`Sep. 18, 2012
`
`(54) VLSI LAYOUTS OF FULLY CONNECTED
`GENERALIZED NETWORKS
`
`(75) Inventor: Venkat Konda, San Jose, CA (US)
`(73) Assignee: Konda Technologies Inc., San Jose, CA
`(US)
`
`(*) Notice:
`
`(21) Appl. No.:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 183 days.
`12/601275
`
`(22) PCT Filed:
`(86). PCT No.:
`
`May 22, 2008
`PCT/US2O08/064605
`
`S371 (c)(1),
`(2), (4) Date: May 31, 2010
`(87) PCT Pub. No.: WO2008/147928
`PCT Pub. Date: Dec. 4, 2008
`
`(65)
`
`Prior Publication Data
`US 2011 FOO37498A1
`Feb. 17, 2011
`Related U.S. Application Data
`(60) Provisional application No. 60/940,394, filed on May
`25, 2007.
`(51) Int. Cl.
`(2006.01)
`H03K 19/177
`(52) U.S. Cl. ............................................ 326/41; 326/38
`(58) Field of Classification Search .............. 326/38-41;
`370/390, 312,360,388,412
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`4,813,038 A * 3/1989 Lee ............................... 370,390
`5.406,556 A * 4/1995 Widjaja et al. ................ 370,381
`
`1/1999 Yang et al. ............... 370,395.72
`5,856.977 A *
`6,049,542 A * 4/2000 Prasad .
`... 370,386
`6,157,643 A * 12/2000 Ma ........
`370,389
`6,567,858 B1* 5/2003 Yang et al.
`TO9,238
`6,940,308 B2* 9/2005
`9.
`... 326,41
`7,130,920 B1 * 10/2006
`TO9,238
`7,136,380 B2 * 1 1/2006
`370,388
`7,154,887 B2 * 12/2006
`... 370,388
`7,346,049 B2* 3/2008
`... 370,386
`7,349,387 B2 * 3/2008 Wu ............................... 370,360
`(Continued)
`Primary Examiner — Vibol Tan
`
`ABSTRACT
`(57)
`In accordance with the invention, VLSI layouts of generalized
`multi-stage networks for broadcast, unicast and multicast
`connections are presented using only horizontal and Vertical
`links. The VLSI lavouts emplov shuffle exchange links where
`y
`ploy
`9.
`outlet links of cross links from Switches in a stage in one
`sub-integrated circuit block are connected to inlet links of
`Switches in the Succeeding stage in another Sub-integrated
`circuit block so that said cross links are either vertical links or
`horizontal and vice versa. In one embodiment the sub-inte
`grated circuit blocks are arranged in a hypercube arrangement
`in a two-dimensional plane. The VLSI lavouts exploit the
`benefits of Andy lower cross R i. signal
`latency, lower power and full connectivity with significantly
`fast compilation.
`The VLSI layouts presented are applicable to generalized
`multi-stage networks V(N. N. d, s), generalized folded
`multi-stage networks V(N.N. d, s), generalized butterfly
`fat tree networks V(N1, N2, d, s), generalized multi-link
`multi-stage networks V (N, N, d, s), generalized folded
`multi-link multi-stage networks Van (N.N. d, s), gen
`eralized multi-link butterfly fat tree networks V
`(N,
`N. d, s), and generalized hypercube networks V(N. N.
`d, s) for s=1,2,3 or any number in general. The embodiments
`of VLSI layouts are useful in wide target applications such as
`FPGAs, CPLDs, pSoCs, ASIC placement and route tools,
`networking applications, parallel & distributed computing,
`and reconfigurable computing.
`
`48 Claims, 39 Drawing Sheets
`
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 2 of 63
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`

`

`US 8,269,523 B2
`Page 2
`
`U.S. PATENT DOCUMENTS
`7.397.796 B1* 7/2008 Smiljani ....................... 370,390
`7,424,010 B2 * 9/2008 Konda ...
`370,388
`7,424,011 B2 * 9/2008 Konda .......................... 370,388
`
`
`
`7.468,974 B1* 12/2008 Carr et al. ..................... 370,388
`ck
`SE: 58 ERO,. :
`9CT . . . . . . . . . . . . . . . . . . . . .
`* cited by examiner
`
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 3 of 63
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 4 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 4 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`U.S. Patent
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`Sep. 18, 2012
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 19 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 19 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 16 of 39
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 23 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 23 of 63
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`Sep. 18, 2012
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 24 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 24 of 63
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 26 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 26 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 23 of 39
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`Sheet 24 of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 28 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 28 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 25 of 39
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 29 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 29 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 26 of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 30 of 63
`18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 30 of 63
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 31 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 31 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 28 of 39
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 32 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 32 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 29 of 39
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`US 8,269,523 B2
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 30 Of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 33 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 31 Of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 35 of 63
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 36 of 63
`18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 36 of 63
`Case 5
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`Sep. 18, 2012
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`Sheet 33 of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 37 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 37 of 63
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`U.S. Patent
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`Sep. 18, 2012
`
`Sheet 34 of 39
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`US 8,269,523 B2
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 35. Of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 38 of 63
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`

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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 39 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 39 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 36 of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 40 of 63
`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 40 of 63
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`U.S. Patent
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`Sep. 18, 2012
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`Sheet 37 of 39
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`US 8,269,523 B2
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`Case 5:18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 41 of 63
`18-cv-07581-LHK Document 31-4 Filed 03/04/19 Page 41 of 63
`Case 5
`
`U.S. Patent
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`Sep. 18, 2012
`
`Sheet 38 of 39
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`US 8,269,523 B2
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