2010 Hardware Latency 
John McCalpin
FEBRUARY 17, 2025
In my previous post , I reviewed historical data on single-core/single-thread memory bandwidth in multicore processors from Intel and AMD from 2010 to the present. The increase in single-core memory bandwidth has been rather slow overall, with Intel processors only showing about a 2x increase over the 13 years from 2010 to 2023.
Brendan Gregg
JULY 4, 2021
This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are on [slideshare] or as a [PDF]: I work on many areas of performance, but recently I've had a lot of demand to talk about BPF. Ford, et al., “TCP
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All Things Distributed
NOVEMBER 15, 2010
By Werner Vogels on 14 November 2010 04:00 PM. For example, the most fundamental abstraction trade-off has always been latency versus throughput. The throughput of this pipeline is more important than the latency of the individual operations. Werner Vogels weblog on building scalable and robust distributed systems. Comments ().
John McCalpin
FEBRUARY 17, 2025
In my previous post , I reviewed historical data on single-core/single-thread memory bandwidth in multicore processors from Intel and AMD from 2010 to the present. The increase in single-core memory bandwidth has been rather slow overall, with Intel processors only showing about a 2x increase over the 13 years from 2010 to 2023.
All Things Distributed
JULY 13, 2010
By Werner Vogels on 12 July 2010 05:00 PM. In particular this has been true for applications based on algorithms - often MPI-based - that depend on frequent low-latency communication and/or require significant cross sectional bandwidth. The Amazon.com 2010 Shareholder Letter Focusses on Technology. All Things Distributed.
John McCalpin
APRIL 25, 2023
Looking at sustained single-core bandwidth for a kernel composed of 100% reads, the trends for a large set of high-end AMD and Intel processors are shown in the figure below: So from 2010 to 2023, the sustainable single-core bandwidth increased by about 2x on Intel processors and about 5x on AMD processors.
Brendan Gregg
FEBRUARY 28, 2023
My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP
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