Includes notes and references for the four sections of the flops benchmark

lib performance/papers/flops/flops_1 for notes for the scalar section of the benchmark Weightings: FADD 40.4%, FSUB 23.1%, FMUL 26.9%, FDIV 9.6%

lib performance/papers/flops/flops_2 for notes for the vector section of the benchmark Weightings: FADD 38.2%, FSUB 9.2%, FMUL 43.4%, FDIV 9.2%

lib performance/papers/flops/flops_3 for notes for another vector section of the benchmark Weightings: FADD 42.9%, FSUB 3.4%, FMUL 50.7%, FDIV 3.4%

lib performance/papers/flops/flops_4 for notes for yet another vector section of the benchmark Weightings: FADD 42.9%, FSUB 2.2%, FMUL 54.9%, FDIV 0.0%