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Ricardo H. Nigaglioni
Researcher at IBM
Publications - 17
Citations - 113
Ricardo H. Nigaglioni is an academic researcher from IBM. The author has contributed to research in topics: Signal & Physical design. The author has an hindex of 5, co-authored 17 publications receiving 95 citations.
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Proceedings ArticleDOI
A synthesis-parameter tuning system for autonomous design-space exploration
Matthew M. Ziegler,Hung-Yi Liu,George D. Gristede,Bruce Owens,Ricardo H. Nigaglioni,Luca P. Carloni +5 more
TL;DR: The overall organization of SynTunSys is presented, its main components are described, and results from employing it for the design of an industrial chip, the IBM z13 22nm high-performance server chip, yielding on average a 36% improvement in total negative slack and a 7% power reduction.
Proceedings ArticleDOI
4.1 22nm Next-generation IBM System z microprocessor
James D. Warnock,Brian W. Curran,John Badar,Gregory J. Fredeman,Donald W. Plass,Yuen Chan,S. Carey,Gerard M. Salem,Friedrich Schroeder,Frank Malgioglio,Guenter Mayer,Christopher J. Berry,Michael G. Wood,Yiu-Hing Chan,M. Mayo,John Isakson,Charudhattan Nagarajan,Tobias Werner,L. Sigal,Ricardo H. Nigaglioni,Mark Cichanowski,Jeffrey A. Zitz,Matthew M. Ziegler,Bronson Tim,Gerald Strevig,Daniel M. Dreps,Ruchir Puri,D. Malone,Dieter Wendel,Pak-Kin Mak,Michael A. Blake +30 more
TL;DR: The next-generation System z design introduces a new microprocessor chip (CP) and a system controller chip (SC) aimed at providing a substantial boost to maximum system capacity and performance compared to the previous zEC12 design in 32nm.
Journal ArticleDOI
Robust power management in the IBM z13
Tobias Webel,Preetham M. Lobo,Ramon Bertran,Gerard M. Salem,Malcolm S. Allen-Ware,Richard F. Rizzolo,S. Carey,Thomas Strach,Alper Buyuktosunoglu,Charles R. Lefurgy,Pradip Bose,Ricardo H. Nigaglioni,Timothy J. Slegel,Michael Stephen Floyd,Brian W. Curran +14 more
TL;DR: The key features constituting the z13 CP robust power management architecture and design that meet the stipulated objectives are described.
Proceedings ArticleDOI
IBM z14™: 14nm microprocessor for the next-generation mainframe
Christopher J. Berry,James D. Warnock,John Isakson,John Badar,Brian Bell,Frank Malgioglio,Guenter Mayer,Dina Hamid,Jesse Surprise,David Wolpert,Ofer Geva,B. Huott,L. Sigal,S. Carey,Richard F. Rizzolo,Ricardo H. Nigaglioni,Mark Cichanowski,Dureseti Chidambarrao,Christian Jacobi,Anthony Saporito,Arthur J. O'Neill,Robert J. Sonnelitter,Christian Zoellin,Michael G. Wood,Jose L. Neves +24 more
TL;DR: The IBM Z microprocessor in the z14 system has been redesigned to improve performance, system capacity, and security over the previous z13 system, and is designed in Global Foundries 14nm high performance SOI FinFET technology with 17 layers of copper interconnect.
Journal ArticleDOI
IBM z13 circuit design and methodology
James D. Warnock,Christopher J. Berry,Michael H. Wood,L. Sigal,Y.H. Chan,Guenter Mayer,M. Mayo,Y.-H. Chan,Frank Malgioglio,Gerald Strevig,Charudhattan Nagarajan,S. Carey,Gerard M. Salem,Friedrich Schroeder,Howard H. Smith,D. Phan,Ricardo H. Nigaglioni,Thomas Strach,Matt Ziegler,Niels Fricke,K. Lind,Jose L. Neves,Sridhar H. Rangarajan,Jesse Surprise,John Isakson,John Badar,D. Malone,Donald W. Plass,A. Aipperspach,Dieter Wendel,Robert M. Averill,Ruchir Puri +31 more
TL;DR: All aspects of the circuit and physical design of these chips, including both digital logic and custom array implementation, are discussed, along with some of the checks needed to ensure a robust, reliable, and high-frequency product.