optimized timer script

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>
updated timings

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>
fixed formatting

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>
improved primes_list performance by 50%

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>
optimized script and added multiple testing

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>
updated timings

Signed-off-by: Arvind Chembarpu <achembarpu@gmail.com>