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code optimization i– * – not portable – * – multiple instructions can execute in parallel 1 load 1 store 1 fp addition some instructions take >
code optimization i– * – not portable – * – multiple instructions can execute in parallel 1 load 1 store 1 fp addition some instructions take >
code optimization i– * – not portable – * – multiple instructions can execute in parallel 1 load 1 store 1 fp addition some instructions take >
code optimization iiachieved cpe of 2.00 { sum += data[i]; { t = t op data[i]; *dest = t; cpe: 3.00 (compiled -o2) warning: some compilers do better job optimizing array
code optimization ii: machine dependent optimizations topics machine-dependent optimizations pointer code unrolling enabling instruction level parallelism understanding processor…
code optimization iiout-of-order execution of operations branches and branch prediction achieved cpe of 2.00 { sum += data[i]; int float double operations + / 0 * / 1 { t
code optimization iiout-of-order execution of operations branches and branch prediction – * – achieved cpe of 2.00 { sum += data[i]; int float double operations
code optimization iiout-of-order execution of operations branches and branch prediction – * – achieved cpe of 2.00 { sum += data[i]; int float double operations
slide 1 code optimization: machine independent optimizations feb 12, 2004 topics machine-independent optimizations machine-dependent opts understanding processor operation…
code optimization i– * – not portable – * – multiple instructions can execute in parallel 1 load 1 store 1 fp addition some instructions take >
hpc vt 2013 machine-dependent optimization ● choose good data structures ● reduce number of operations ● use cheap operations – strength reduction ● avoid too many…
code optimization announcements ● programming project 4 due saturday at 11:30am. ● stop by office hours! ● ask questions via email! ● ask questions via piazza! ●…
machine dependent assembler features assembler features machine dependent assembler features instruction formats and addressing modes (sic/xe) program relocation machine…
assembler – machine dependent features sic/xe example sic/xe example sic/xe example a case of object code generation figure 2.6, line 10 stl retadr 17 20 2d the mode…
machine dependent assembler features assembler features machine dependent assembler features instruction formats and addressing modes (sic/xe) program relocation machine…
slide 1 code optimization ii feb. 19, 2008 topics machine dependent optimizations understanding processor operations branches and branch prediction class11.ppt 15-213 “the…
slide 1 code optimization ii september 26, 2007 topics machine dependent optimizations understanding processor operations branches and branch prediction class09.ppt 15-213…
machine dependent assembler features assembler features • machine dependent assembler features – instruction formats and addressing modes (sic/xe) – program relocation…
human-machine collaborative optimization via apprenticeship scheduling by matthew c. gombolay submitted to the department of aeronautics and astronautics in partial fulfillment…
robust design optimization under dependent random variables by a generalized polynomial chaos expansionrobust design optimization under dependent random variables by a generalized