Question

Why does memory latency increase significantly before reaching the memory bandwidth limit?

score 38 · Answer 1 · 2024-02-01T07:12:25.953000

38

Views

Why does memory latency increase significantly before reaching the memory bandwidth limit?

Published on 01 February 2024 at 07:12

score 130 · Answer 2 · 2024-01-31T17:08:38.033000

130

Views

Simple streaming loop shows higher effective B/W than DRAM B/W for small enough problems

Published on 31 January 2024 at 17:08

score 55 · Answer 3 · 2024-01-05T12:14:32.947000

55

Views

There is a huge speed difference between reading and writing in DRAM, is this normal?

Published on 05 January 2024 at 12:14

score 75 · Answer 4 · 2023-12-02T05:45:56.150000

75

Views

memory bandwidth of convolutional layer: numbers calculations

Published on 02 December 2023 at 05:45

score 188 · Answer 5 · 2023-10-20T10:29:08.663000

188

Views

Why using non-temporal store instructions cannot reduce memory bandwidth usage? (Writes seem to be generating extra reads)

Published on 20 October 2023 at 10:29

score 27 · Answer 6 · 2023-09-21T22:29:08.990000

27

Views

Why wide demux allows the partitioning of memory bandwidth to be able to change over time?

Published on 21 September 2023 at 22:29

score 21 · Answer 7 · 2023-09-12T03:57:18.577000

21

Views

Why don’t current tools support collecting memory bandwidth usage data at process granularity?

Published on 12 September 2023 at 03:57

score 56 · Answer 8 · 2023-09-08T13:19:10.813000

56

Views

How do different monitoring tools calculate memory bandwidth?

Published on 08 September 2023 at 13:19

score 105 · Answer 9 · 2023-08-13T01:26:59.027000

105

Views

Workload Memory Bandwidth Comparison Inconsistency

Published on 13 August 2023 at 01:26

score 74 · Answer 10 · 2023-08-07T09:35:33.287000

74

Views

Not getting any cache-pollution benefit from PREFETCHNTA on Zen 3

Published on 07 August 2023 at 09:35

score 189 · Answer 11 · 2023-08-01T12:04:36.117000

189

Views

How to test the “random access bandwidth" of memory?

Published on 01 August 2023 at 12:04

score 132 · Answer 12 · 2023-05-08T05:15:32.343000

132

Views

How to calculate the theoretical max UPI bandwidth of a Linux dual-socket machine?

Published on 08 May 2023 at 05:15

score 199 · Answer 13 · 2022-11-10T17:41:21.443000

199

Views

Analysing performance of transpose function

Published on 10 November 2022 at 17:41

score 70 · Answer 14 · 2022-09-16T22:08:44.707000

70

Views

Detecting maximum memory bandwidth at kernel level

Published on 16 September 2022 at 22:08

score 98 · Answer 15 · 2022-08-29T18:40:46.403000

98

Views

Question about bandwidth ceilings in roofline models

Published on 29 August 2022 at 18:40

score 176 · Answer 16 · 2022-08-13T08:57:37.790000

176

Views

Can hardware threads access main memory at the same time?

Published on 13 August 2022 at 08:57

score 477 · Answer 17 · 2022-07-19T00:29:58.933000

477

Views

Can all of L2/L3 cache be used by data? If so, why does the Graviton 3 bandwidth plot drop off after half the L2/L3 size, but only gradually?

Published on 19 July 2022 at 00:29

score 304 · Answer 18 · 2022-06-27T12:33:27.073000

304

Views

Memory throughput for strided memory accesses

Published on 27 June 2022 at 12:33

score 1.2k · Answer 19 · 2022-06-13T03:36:41.913000

1.2k

Views

How to calculate the L3 cache bandwidth by using the performance counters linux?

Published on 13 June 2022 at 03:36

score 388 · Answer 20 · 2022-03-17T15:31:42.540000

388

Views

Achieve maximum bandwidth on arm64

Published on 17 March 2022 at 15:31

List Question

Why does memory latency increase significantly before reaching the memory bandwidth limit?

Simple streaming loop shows higher effective B/W than DRAM B/W for small enough problems

There is a huge speed difference between reading and writing in DRAM, is this normal?

memory bandwidth of convolutional layer: numbers calculations

Why using non-temporal store instructions cannot reduce memory bandwidth usage? (Writes seem to be generating extra reads)

Why wide demux allows the partitioning of memory bandwidth to be able to change over time?

Why don’t current tools support collecting memory bandwidth usage data at process granularity?

How do different monitoring tools calculate memory bandwidth?

Workload Memory Bandwidth Comparison Inconsistency

Not getting any cache-pollution benefit from PREFETCHNTA on Zen 3

How to test the “random access bandwidth" of memory?

How to calculate the theoretical max UPI bandwidth of a Linux dual-socket machine?

Analysing performance of transpose function

Detecting maximum memory bandwidth at kernel level

Question about bandwidth ceilings in roofline models

Can hardware threads access main memory at the same time?

Can all of L2/L3 cache be used by data? If so, why does the Graviton 3 bandwidth plot drop off after half the L2/L3 size, but only gradually?

Memory throughput for strided memory accesses

How to calculate the L3 cache bandwidth by using the performance counters linux?

Achieve maximum bandwidth on arm64

Trending Questions

Popular # Hahtags

Popular Questions