Multiprocessing behaviour of Python in Windows vs non-Windows
Recently some interesting behaviour of Python implementation is found. Indeed,
it is mentioned in
StackOverflow
some time ago already.
[more]
Kriegel et al (2010) Outlier Detection Techniques
Outlier: definition by Hawkins (1980), an observation which deviates so much from other observations as to arouse suspicions that it was generated by a different mechanism mechanism: statistical process Example: Hadlum v Hadlum (1949), birth of a child happened 349 days after Mr Hadlum left for military service while average...
[more]
Pandey et al (2017) A Fast x86 Implementation of Select
The paper tries to solve the problem of SELECT and RANK: SELECT is to find the \(r\)-th asserted bit in a bit vector and RANK is to find the total number of asserted bits in the \(j\)-bit prefix of the bit vector. For example, if the bit vector is 100101001010...
[more]
Comparing pandas and SQL
This is to demonstrate the similarity between pandas and SQL. The same post as
Python code is available here
[more]
Parallel computing in Python standard library
There are multiple ways to do parallel computing using only the standard
library in Python. There are vastly more way to do parallel processing and
multiprocessing if third-party
modules are used.
[more]