Comment by abaines

These are my results on an (admittedly old) Intel i3-2120 CPU @ 3.30GHz. Compiling both programs with -O3:

    ojc_parse_str    1000000 entries in 3607.615 msecs. (  277 iterations/msec)
    simdjson_parse   1000000 entries in  418.997 msecs. ( 2386 iterations/msec)

and might as well throw in my own parser...

    uj_parse   1000000 entries in 1959.731 msecs. (  510 iterations/msec)

The -O3 seems to make a large difference for simdjson.