Refine benchmarking requirements (with meeting)

[krvoigt]

with Mehmet, Michelle, Paul, Tine, maybe Jörg

[krvoigt]

Outcome of our meeting

• we start with core and have a look at the processors later
• we profile core and have a look at its current performance. this will be our benchmark to test against.
• we define metrics to be considered in the benchmarking
• we create a profiling table with all functions of core to identify bottlenecks
• the input of the benchmarking will be a bundle of small records (about 20pages) and will increased continually

[krvoigt]

kind of clone, see https://github.com/OCR-D/zenhub/issues/107