« earlier | later » Page 1 of 4
"How does this work? It's just a shell script!" Linux's ftrace facility turns out to be surprisingly capable... and there are a whole load of neat scripts that use it in perf-tools.
to debugging ftrace linux perf performance tracing ... on 14 October 2016
Command-line tools can be 235x faster than your Hadoop cluster
Nothing wrong with a bit of 1970s technology in the right context -- how to solve a not-very-big-data problem the right way.
to awk cloud cluster hadoop performance pipeline unix ... on 14 September 2016
Playing live music on the NES sound chip... by changing one bit at a time! Somewhat reminiscent of viznut's one-liners.
to chiptune music nes performance retrocomputing ... on 22 January 2016
Making SSH go faster on high-performance networks.
to buffering network performance ssh ... on 13 March 2015
Gordon Bell: Computers, Projects, Patents, Books, and Papers
This includes electronic versions of many of his classic books on computer architecture -- very good stuff.
to ag0803 architecture cpu design electronics etext performance retrocomputing ... on 18 January 2015
Revisiting FullHD X11 desktop performance of the Allwinner A10
Looking, in detail, into how the CPU and GPU contend for memory on the A10 -- and why some A10 machines (particularly with 16-bit memory) struggle with high resolutions. This is lovely stuff -- it's like talking about the Spectrum all over again!
to allwinner arm contention dram embedded memory performance video ... on 14 November 2014
robertdavidgraham/robdns · GitHub
A high-performance DNS server. The reason it's high-performance is that it includes its own network stack...
to dns networking performance software tcpip ... on 03 October 2014
Ftrace: The hidden light switch [LWN.net]
Using Linux's function tracer to investigate a kernel performance problem. I was looking at this again recently because I'd like to know when exactly bash is getting called...
to ftrace kernel linux performance tracing ... on 03 October 2014
Modern Microprocessors - A 90 Minute Guide!
This covers nearly all of the architecture side of AG0803, and some more stuff besides; a nice overview.
to ag0803 architecture cpu memory performance pipelining superscalar ... on 24 August 2014
How to optimize Raspberry Pi code using its GPU « Pete Warden's blog
Speeding up computer vision code using the VideoCore.
to gpu optimisation performance raspberry-pi videocore vision ... on 24 August 2014
« earlier | later » Page 1 of 4
tasty by Adam Sampson.