· Assume an instruction cache miss rate for gcc is 2% and a data cache ... a 92% hit rate and a...

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Transcript of  · Assume an instruction cache miss rate for gcc is 2% and a data cache ... a 92% hit rate and a...

Page 1:  · Assume an instruction cache miss rate for gcc is 2% and a data cache ... a 92% hit rate and a 2-cycle hit latency, calculate the average memory access latency.
Page 2:  · Assume an instruction cache miss rate for gcc is 2% and a data cache ... a 92% hit rate and a 2-cycle hit latency, calculate the average memory access latency.
Page 3:  · Assume an instruction cache miss rate for gcc is 2% and a data cache ... a 92% hit rate and a 2-cycle hit latency, calculate the average memory access latency.

A Mostly-Clean DRAM Cache for Effective Hit …comparch.gatech.edu/hparch/papers/sim_micro12.pdfA Mostly-Clean DRAM Cache for Effective Hit Speculation and Self-Balancing Dispatch

A Mostly-Clean DRAM Cache for Effective Hit …comparch.gatech.edu/hparch/papers/sim_micro12.pdfA Mostly-Clean DRAM Cache for Effective Hit Speculation and Self-Balancing Dispatch

Achieving high cache hit ratios for CDN memory …reports-archive.adm.cs.cmu.edu/anon/2016/CMU-CS-16-120.pdfAchieving high cache hit ratios for CDN memory caches with size-aware admission

Achieving high cache hit ratios for CDN memory …reports-archive.adm.cs.cmu.edu/anon/2016/CMU-CS-16-120.pdfAchieving high cache hit ratios for CDN memory caches with size-aware admission

Present and Future Large Memory DB2 SHARE Pittsburgh · PDF file• Cache and memory latency on a hypothetical modern server • L1 Cache ... Microsoft PowerPoint ... Present and Future

Present and Future Large Memory DB2 SHARE Pittsburgh · PDF file• Cache and memory latency on a hypothetical modern server • L1 Cache ... Microsoft PowerPoint ... Present and Future

A Mostly-Clean DRAM Cache for Effective Hit Speculation and Self-Balancing Dispatch

A Mostly-Clean DRAM Cache for Effective Hit Speculation and Self-Balancing Dispatch

EVCache: Lowering Costs for a Low Latency Cache … Lowering Costs for a Low Latency Cache ... AWS and tuned for Netflix use ... Access patterns are heavily region-oriented

EVCache: Lowering Costs for a Low Latency Cache … Lowering Costs for a Low Latency Cache ... AWS and tuned for Netflix use ... Access patterns are heavily region-oriented

Reducing Cache Misses 5.1 Introduction 5.2 The ABCs of Caches 5.3 Reducing Cache Misses 5.4 Reducing Cache Miss Penalty 5.5 Reducing Hit Time 5.6 Main.

Reducing Cache Misses 5.1 Introduction 5.2 The ABCs of Caches 5.3 Reducing Cache Misses 5.4 Reducing Cache Miss Penalty 5.5 Reducing Hit Time 5.6 Main.

Memory Hierarchy: Cache - Wellesley Collegecs240/s16/slides/cache.pdfAnother puzzle: Cache starts empty, uses LRU. Access (address, hit/miss) stream (10, miss); (12, miss); (10, miss)

Memory Hierarchy: Cache - Wellesley Collegecs240/s16/slides/cache.pdfAnother puzzle: Cache starts empty, uses LRU. Access (address, hit/miss) stream (10, miss); (12, miss); (10, miss)

Intel® Celeron® Processor-Based Platforms for Intelligent ...cpop/Documentatie_SMP/Intel...Intel® Smart Cache Technology Large on-die shared last-level cache reduces latency to

Intel® Celeron® Processor-Based Platforms for Intelligent ...cpop/Documentatie_SMP/Intel...Intel® Smart Cache Technology Large on-die shared last-level cache reduces latency to

Cache Performance Metrics Miss Rate Fraction of memory references not found in cache (misses / accesses) = 1 – hit rate Typical numbers (in percentages):

Cache Performance Metrics Miss Rate Fraction of memory references not found in cache (misses / accesses) = 1 – hit rate Typical numbers (in percentages):

CS 580: Algorithm Design and Analysis · Cache with capacity to store k items. Sequence of m item requests d 1, d 2, …, d m. Cache hit: item already in cache when requested. Cache

CS 580: Algorithm Design and Analysis · Cache with capacity to store k items. Sequence of m item requests d 1, d 2, …, d m. Cache hit: item already in cache when requested. Cache

Caches & Memory - Cornell University · 2020. 1. 8. · L3 Cache. Main Memory. Disk. 16 Some Terminology Cache hit • data is in the Cache • t hit: time it takes to access the

Caches & Memory - Cornell University · 2020. 1. 8. · L3 Cache. Main Memory. Disk. 16 Some Terminology Cache hit • data is in the Cache • t hit: time it takes to access the

Up to 32 TB of storage per VM 64,000 IOPS per VM 50,000 IOPS per disk ~5 ms read/write (no cache) less than 1ms read latency (cache) Disk Provisioning.

Up to 32 TB of storage per VM 64,000 IOPS per VM 50,000 IOPS per disk ~5 ms read/write (no cache) less than 1ms read latency (cache) Disk Provisioning.

COMP303 - Computer Architecturehome.ku.edu.tr/comp303/public_html/Lecture15.pdf · Cache Performance Measures Hit rate: fraction found in the cache So high that we usually talk about

COMP303 - Computer Architecturehome.ku.edu.tr/comp303/public_html/Lecture15.pdf · Cache Performance Measures Hit rate: fraction found in the cache So high that we usually talk about

The Locality-Aware Adaptive Cache Coherence …people.csail.mit.edu/devadas/pubs/adaptive-isca.pdfchip cache utilization, exploiting locality using low-latency private caching becomes

The Locality-Aware Adaptive Cache Coherence …people.csail.mit.edu/devadas/pubs/adaptive-isca.pdfchip cache utilization, exploiting locality using low-latency private caching becomes

Register Cache System not for Latency Reduction Purpose

Register Cache System not for Latency Reduction Purpose

Unblindingthe+OS+to+Optimize+ … · Cache+hit Cache+miss Predictable Predictable Small+W Buffer+hit Buffer+miss Predictable ... Actual+Completion (Flag+update:No+IRQ) h Completion#Side

Unblindingthe+OS+to+Optimize+ … · Cache+hit Cache+miss Predictable Predictable Small+W Buffer+hit Buffer+miss Predictable ... Actual+Completion (Flag+update:No+IRQ) h Completion#Side

Cache memory principles - Victor Murray · 2013-06-24 · • Relationship between block size and hit ratio is complex. ... • 80386 – no on chip cache • 80486 – 8k using 16

Cache memory principles - Victor Murray · 2013-06-24 · • Relationship between block size and hit ratio is complex. ... • 80386 – no on chip cache • 80486 – 8k using 16

Bi-Modal DRAM Cache: Improving Hit Rate, Hit Latency and …serc.iisc.ernet.in/~govind/papers/Micro14-NagendraEtAl.pdf · 2017-06-22 · r.manikantan@gmail.com, govind@serc.iisc.ernet.in

Bi-Modal DRAM Cache: Improving Hit Rate, Hit Latency and …serc.iisc.ernet.in/~govind/papers/Micro14-NagendraEtAl.pdf · 2017-06-22 · [email protected], [email protected]

Fighting latency - events.static.linuxfound.org · L1-dcache-prefetches [Hardware cache event] L1-dcache-prefetch-misses [Hardware cache event] L1-icache-loads [Hardware cache event]

Fighting latency - events.static.linuxfound.org · L1-dcache-prefetches [Hardware cache event] L1-dcache-prefetch-misses [Hardware cache event] L1-icache-loads [Hardware cache event]

UCF Computer Science · Web viewWhen the processor generates a RA (retrieve address) for a word to be read, this word will either be in the cache (cache hit) or not (cache miss).

UCF Computer Science · Web viewWhen the processor generates a RA (retrieve address) for a word to be read, this word will either be in the cache (cache hit) or not (cache miss).