Some of those Ruby 2.6 programs are faster with --jit and others are faster without --jit
faster or similar: nbody #2, fasta #6, fannkuchredux #2, spectralnorm #4
slower with --jit: binarytrees #5, pidigits #5, regexredux #3, revcomp #5, mandelbrot #2, knucleotide #1
Some of those Ruby 2.6 programs are faster with --jit and others are faster without --jit
faster or similar: nbody #2, fasta #6, fannkuchredux #2, spectralnorm #4
slower with --jit: binarytrees #5, pidigits #5, regexredux #3, revcomp #5, mandelbrot #2, knucleotide #1