If I compiled a c module that embed a perl interpreter and I benchmark this again the same module in mod_perl
I got a big difference in favor of mod_c. For example mod_c give with ab: Requests per second: 674.76 [#/sec] (mean) Time per request: 11.86 [ms] (mean) Time per request: 1.48 [ms] (mean, across all concurrent requests) mod_perl gives: Requests per second: 499.75 [#/sec] (mean) Time per request: 16.01 [ms] (mean) Time per request: 2.00 [ms] (mean, across all concurrent requests) Why is mod_perl so slow compare to a mod_c that embed perl. thanks.