Experiments in program optimisation (original) (raw)
- 15 Apr 2014 » De-multiplexing of E1 streams in Java
- 02 May 2014 » De-multiplexing of E1 stream: converting to C
- 12 May 2014 » The mystery of an unstable performance
- 15 May 2014 » How to make C run as fast as Java
- 18 May 2014 » Size does matter
- 04 Jun 2014 » Fast E1 de-multiplexing in C using SSE/AVX
- 21 Sep 2014 » A bug story: testing your test code
- 01 Oct 2014 » How to transpose a 16×16 byte matrix using SSE
- 21 Oct 2014 » Bug story 2: Unrolling the 16×16 matrix transposition, or be careful with macros
Performance of various callback mechanisms
- 28 Oct 2014 » Macros, call by name, lambda and Jensen's device
- 14 Nov 2014 » Lambdas and other callbacks in Java
- 24 Nov 2014 » How cache affects demultiplexing of E1
- 24 Dec 2014 » More experiments with cache
- 19 Jan 2015 » On the benefits of stream buffering in Java
- 01 Feb 2015 » Standard input, buffering and affinity mask
- 24 Apr 2015 » Game of Life, hash tables and hash codes
- 10 Sep 2015 » Hash functions: disassembling and measuring performance
- 17 Sep 2015 » Optimising division-based hash functions
- 12 Oct 2015 » The fun and the cost of refactoring
- 20 Oct 2015 » More optimisations of division-based hash: Karatsuba's method
- 28 Oct 2015 » Don't trust a micro-benchmark
- 21 Nov 2015 » CRC32: intrinsic, Java or C with JNI?
- 04 Dec 2015 » Optimising the hash-based Life
- 14 Dec 2015 » Choosing the hash map's capacity
- 31 Jan 2016 » Home-made hash tables in Java
- 21 Mar 2016 » Home-made hash tables in C++: a race against Java
- 22 Dec 2015 » Implementing Peano arithmetic
- 10 Jan 2016 » Home-made binary numbers
- 08 Dec 2016 » Turbo Boost and multi-threading performance
- 22 Mar 2017 » Statistical variables in Java: not quite legal but very fast
- 05 May 2014 » One handy C idiom: multi-statement macro
- 07 May 2014 » From macros to templates
- 16 Oct 2016 » Searching in a constant set using conflict-free hashing
- 06 Nov 2016 » A bug story: data alignment on x86
- 23 Jul 2017 » The slow currentTimeMillis()
- 18 Jul 2018 » Building a fast queue between C++ and Java
- 17 Jan 2019 » To allocate or to pool?
- 13 Apr 2019 » Searching for a better indexOf
- 26 Sep 2019 » Making a char searcher in C
- 07 Oct 2019 » Abnormal string hashing