Add benchmark code
Add benchmark code

Refs -- sympy/sympy#11502

aktech/sympy,skidzo/sympy,aktech/sympy,jaimahajan1997/sympy,kaushik94/sympy,jaimahajan1997/sympy,aktech/sympy,yashsharan/sympy,madan96/sympy,chaffra/sympy,yashsharan/sympy,chaffra/sympy,kaushik94/sympy,chaffra/sympy,yashsharan/sympy,jaimahajan1997/sympy,skidzo/sympy,madan96/sympy,souravsingh/sympy,kaushik94/sympy,souravsingh/sympy,madan96/sympy,skidzo/sympy,souravsingh/sympy