Energy'Introspector:'Standard'Physical'Library' - - PowerPoint PPT Presentation
Energy'Introspector:'Standard'Physical'Library' Interface'for'Full;System'Microarchitecture'and' Mul>;Physics'Simula>ons' ! William!Song ,!Saibal!Mukhopadhyay ,!Arun!Rodrigues ,!! and!Sudhakar!Yalamanchili !
SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
†Georgia!Ins?tute!of!Technology,!Atlanta,!GA! ‡Sandia!Na?onal!Laboratories,!Albuquerque,!NM!
SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
Cu!heat!spreader! Tier!4! Tier!3! Tier!2! Tier!1!
BT!substrate! PCB! Back!Side!Air!Cooling!
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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Multi-Physics Interactions Floor-plan Power Functional Emulation (Frontend) Microarchitecture Timing Simulation Instruction Stream Benchmarks Microarchitecture Configuration Power Modeling Access Counter Statistics Thermal Modeling Microarchitecture and Physical Configuration Package Configuration and Floorplanning Cumulative Failure Rate Controller Voltage Floor-plan Temperature Clock Frequency Reliability Modeling Leakage Feedback Management Algorithms Dynamic Energy Leakage Energy +! Microarchitecture Simulations Power Modeling Performance* Counters* Thermal Modeling Power*Traces* Wear Modeling Thermal*Traces* Instantaneous* Failure*Rates*
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
Multi-Physics Interactions Floor-plan Power Functional Emulation (Frontend) Microarchitecture Timing Simulation Instruction Stream Benchmarks Microarchitecture Configuration Power Modeling Access Counter Statistics Thermal Modeling Microarchitecture and Physical Configuration Package Configuration and Floorplanning Cumulative Failure Rate Controller Voltage Floor-plan Temperature Clock Frequency Reliability Modeling Leakage Feedback Management Algorithms Dynamic Energy Leakage Energy +!
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
Multi-Physics Interactions Floor-plan Power Functional Emulation (Frontend) Microarchitecture Timing Simulation Instruction Stream Benchmarks Microarchitecture Configuration Power Modeling Access Counter Statistics Thermal Modeling Microarchitecture and Physical Configuration Package Configuration and Floorplanning Cumulative Failure Rate Controller Voltage Floor-plan Temperature Clock Frequency Reliability Modeling Leakage Feedback Management Algorithms Dynamic Energy Leakage Energy +!
Wear Models (Reliability Library) NBTI, TDDB, HCI, Electromigration, etc. Power Models (Power Library) Cacti/McPAT, Orion/DSENT, etc. Thermal Models (Thermal Library) 3D-ICE, HotSpot, Microfluidics, etc.
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
Instruction Cache Instruction Window Fetch Buffer Instruction Decoder Branch Prediction Register Files Instruction TLB ALU FPU LD ST L1 Data Cache Data TLB L2 Data Cache On-Chip Network Pseudo Component (Package) Pseudo Component (Floor-plan: Core0) Pseudo Component (Floor-plan: Core1) Pseudo Component (Floor-plan: CoreN) Pseudo Component (Uncore: Floor-plan) Pseudo Component (Cores: Intermediate) Pseudo Component (Source: Inst$) Pseudo Component (Source: Registers) Pseudo Component (Source: ALUs) … Model Library = Thermal Library Model Library = NULL Pseudo Component (Source: L2$) Model Library = Energy Library Model Library = Reliability Library Model Library = Reliability Library Model Library = Reliability Library … Model Library = Energy Library Model Library = Energy Library Model Library = Energy Library Model Library = Reliability Library
Architecture)Decomposi/on) Packaging) Floor7planning) Data)Reference)) (Physical)Interac/on))
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
while(simulation runs) {! do (architecture timing simulation); // User Architecture Simulation! if(@ sampling point) {! // Power Calculation! for(all architecture components to calculate power) {! EI_client->calculate_power(arch_component_id, current_time,! sampling_interval, access_counters);! }! // Thermal Calculation – Models are internally synchronized.! EI_client->calculate_temperature(package_component_id, current_time,! sampling_interval);! // Reliability (Failure Rate) Calculation! for(all components to calculate reliability) {! EI_client->calculate_failure_rate(block_component_id, current_time,! sampling_interval);! }! // Probe any component to collect data! int err_code = EI_client->pull_data(component_id, current_time, ! sampling_interval, data_type, &data);! // Apply execution control (i.e., voltage scaling)! int err_code = EI_client->push_and_synchronize_data(component_id, current_time,! sampling_interval, EI_DATA_VOLTAGE, &new_voltage);! }! }!
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
0.5$ 0.6$ 0.7$ 0.8$ 0.9$ 1$ 50%$ 60%$ 70%$ 80%$ 90%$ 100%$ Normalized+MTTF+ Performability+Threshold+ μ=1.0,σ=0.05$ μ=1.0,σ=0.10$ μ=1.0,σ=0.15$ μ=1.0,σ=0.20$ 0.5$ 0.6$ 0.7$ 0.8$ 0.9$ 1$ 50%$ 60%$ 70%$ 80%$ 90%$ 100%$ Normalized+MTTF+ Performability+Threshold+ μ=1.0,σ=0.20$ μ=0.80,σ=0.05$ Prac4cal$Region$of$Life4me$
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING | GEORGIA INSTITUTE OF TECHNOLOGY
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