Hakim Weatherspoon!Spring 2011!Computer Science!Cornell University!CS 3410: Systems Programming!CS 3410: Computer System Organization and Programming!© Hakim Weatherspoon, Computer Science, Cornell University!Information!• Instructor: Hakim Weatherspoon! ! ! ([email protected])!• Tu/Th 1:25-2:40!• Phillips 101!© Hakim Weatherspoon, Computer Science, Cornell University!Course Objective!• Bridge the gap between hardware and software!– How a processor works!– How a computer is organized!• Establish a foundation for building higher-level applications!– How to understand program performance!– How to understand where the world is going!© Hakim Weatherspoon, Computer Science, Cornell University!Who am I?!• Prof. Hakim Weatherspoon !– (Hakim means Doctor, wise, or prof. in Arabic)!– Background in Education! Undergraduate University of Washington!• Played Varsity Football!– Some teammates collectively make $100ʼs of millions!– I teach!!!! Graduate University of California, Berkeley!• Some class mates collectively make $100ʼs of millions!• I teach!!!!– Background in Operating Systems! Peer-to-Peer Storage!• Antiquity project - Secure wide-area distributed system!• OceanStore project – Store your data for 1000 years! Network overlays!• Bamboo and Tapestry – Find your data around globe! Tiny OS!• Early adopter in 1999, but ultimately chose P2P direction!© Hakim Weatherspoon, Computer Science, Cornell University!Who am I?!• Cloud computing/storage!– Optimizing a global network of data centers!– Cornell Ntional λ-Rail Rings testbed!– Software Defined Network Adapter!– Energy: KyotoFS/SMFS!• Antiquity: built a global-scale storage system!© Hakim Weatherspoon, Computer Science, Cornell University!Course Staff!• [email protected]!• TAs!– Han Wang !([email protected])!– Bo Peng !([email protected])!– Jun Erh! !([email protected])!!• Undergraduate consultants!– Ansu Abraham ([email protected])!– Ethan Kao !([email protected])!– Peter Tseng !([email protected])!– Jiaqi Zhai !([email protected])!!Administrative Assistant: !– Angela Downing ([email protected])!© Hakim Weatherspoon, Computer Science, Cornell University!Book!• Computer Organization and Design!– The Hardware/Software Interface!• David Patterson, John Hennessy!– Get the 4th Edition!© Hakim Weatherspoon, Computer Science, Cornell University!Grading!• 4 Programming Assignments !(35-45%)!– Work in groups of two!• 4-5 Homeworks Assignments !(20-25%)!– Work alone!• 2 prelims ! !!!!(30-40%)!• Discretionary! !!!!(5%)!© Hakim Weatherspoon, Computer Science, Cornell University!Grading!• Regrade policy!– Submit written request to lead TA, !!and lead TA will pick a different grader !– Submit another written request, !!lead TA will regrade directly !– Submit yet another written request for professor to regrade.!© Hakim Weatherspoon, Computer Science, Cornell University!Administrivia!• http://www.cs.cornell.edu/courses/cs3410/2011sp!– Office Hours / Consulting Hours!– Lecture slides & schedule!– Logisim!– CSUG lab access (esp. second half of course)!• Sections!!T !2:55 – 4:10pm ! !Hollister 372%!W !3:35 – 4:50pm ! !Upson 215%!R !11:40 – 12:55pm !Hollister 372%!R !2:55 – 4:10pm ! !Hollister 368!!F !2:55 – 4:10pm ! !Phillips 213%!TBD!– Will cover new material!– Next week: intro to logisim!© Hakim Weatherspoon, Computer Science, Cornell University!Communication!• Email!– [email protected]!– The email alias goes to me and the TAs, not to whole class!• Assignments!– CMS: http://cms.csuglab.cornell.edu!• Newsgroup!– cornell.class.cs3410!– For students!© Hakim Weatherspoon, Computer Science, Cornell University!Sections & Projects!• Sections start next week!– But can go this week to find a project partner!• Projects will be done in two-person teams!– We will pair you up if you donʼt have a preferred partner!– Start early, time management is key!– Manage the team effort!© Hakim Weatherspoon, Computer Science, Cornell University!Academic Integrity!• All submitted work must be your own!– OK to study together, but do not share solnʼs!– Cite your sources!• Project groups submit joint work!– Same rules apply to projects at the group level!– Cannot use of someone elseʼs soln!• Closed-book exams, no calculators!• Stressed? Tempted? Lost?!• Come see me before due date!!Plagiarism)in)any)form)will)not)be)tolerated)© Hakim Weatherspoon, Computer Science, Cornell University!Computer System Organization!© Hakim Weatherspoon, Computer Science, Cornell University!Compilers & Assemblers!int$x$=$10;$x$=$2$*$x$+$15;$C)compiler)addi$r5,$r0,$10$muli$r5,$r5,$2$addi$r5,$r5,$15$MIPS)assembly)language)00100000000001010000000000001010$00000000000001010010100001000000$00100000101001010000000000001111$MIPS)machine)language)assembler)© Hakim Weatherspoon, Computer Science, Cornell University!Compilers!MIPS))assembly)language)C)compiler)sum3:$$lw$$$r9,$0(r5)$$lw$$$r10,$4(r5)$$lw$$$r11,$8(r5)$$add$$r3,$r9,$r10$$add$$r3,$r3,$r11$$jr$$$r31$$main:$$...$$addi$r5,$r0,$1000$$jal$$sum3$$sw$$$r3,$12(r5)$$$...$int$sum3(int$v[])${$$return$v[0]$+$$$ $ $v[1]$+$$$ $ $v[2];$}$$main()${$$...$$int$v[]$=$...;$$int$a$=$sum3(v);$$v[3]$=$a;$$...$}$© Hakim Weatherspoon, Computer Science, Cornell University!Assemblers!MIPS %machine language!assembler)$10001100101010010000000000000000$10001100101010100000000000000100$10001100101010110000000000001000$$00000001001010100001100000100000$00000000011010110001100000100000$00000011111000000000000000001000$...$...$...$00100000000001010000001111101000$00001100000100000000000000000000$10101100101000110000000000001100$...$MIPS))assembly)language)sum3:$$lw$$$r9,$0(r5)$$lw$$$r10,$4(r5)$$lw$$$r11,$8(r5)$$add$$r3,$r9,$r10$$add$$r3,$r3,$r11$$jr$$$r31$$main:$$...$$addi$r5,$r0,$1000$$jal$$sum3$$sw$$$r3,$12(r5)$$$...$© Hakim Weatherspoon, Computer Science, Cornell University!Computer System Organization!Computer)System)=)?!Input)+)Output)+)Memory)+)Datapath)+)Control))))CPU)Registers)Network)Video)bus)Memory)bus)Disk)USB)Audio)Keyboard) Mouse)Serial)© Hakim
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