Dataframe Disk Format Performance Benchmark

Forked from: https://github.com/lintseju/python_performance_benchmark

Pandas I/O

Data: n row x 4 columns random double dataframe.

Remark:

• time or size (Y axis) in log scale.
• Maximum row for excel output is 1048575 rows, so file size and read speed of 10^7 are underestimated.