Here are some benchmarks comparing tcc and gcc 4.7 on RPi. Benchmarks are taken from my OpenLisp tests suite. Source files for the bench consist of 15040 lignes of C code generated form compiler
Summary: tcc compiles x41 faster but runs program x3.37 slower == gcc 1) compile time jullien@sims ~/openlisp/cbench $ time make gabriel.c boyer.c browse.c ctak.c dderiv.c deriv.c destru.c div2.c fft.c fib20.c fprint.c fread.c frpoly.c puzzle.c stak.c tak.c takl.c takr.c tprint.c traverse.c triang.c ld gngabriel .. real 5m38.279s user 5m32.040s sys 0m3.700s 2) run time jullien@sims ~/openlisp/cbench $ ./gngabriel ../contrib/gabriel.lsp 01Fib : ok, time = 0.001s. ( 0 GC) 02Tak : ok, time = 0.005s. ( 0 GC) 03Stak : ok, time = 0.020s. ( 0 GC) 04Ctak : ok, time = 0.211s. ( 0 GC) 05Takl : ok, time = 0.021s. ( 0 GC) 06Takr : ok, time = 0.021s. ( 0 GC) 07Boyer : ok, time = 0.129s. ( 2 GC) 08Browse : ok, time = 0.266s. ( 6 GC) 09Destru : ok, time = 0.030s. ( 1 GC) 10Travini : ok, time = 0.079s. ( 0 GC) 11Travrun : ok, time = 0.892s. ( 0 GC) 12Deriv : ok, time = 0.070s. ( 2 GC) 13Dderiv : ok, time = 0.084s. ( 2 GC) 14Divit : ok, time = 0.035s. ( 1 GC) 15Divrec : ok, time = 0.036s. ( 1 GC) 16FFT : ok, time = 0.207s. ( 0 GC) 17Puzzle : ok, time = 0.645s. ( 0 GC) 18Triang : ok, time = 0.796s. ( 0 GC) 19Fprint : ok, time = 0.013s. ( 0 GC) 20Fread : ok, time = 0.029s. ( 0 GC) 21Tprint : ok, time = 0.004s. ( 0 GC) 22Frpoly : ok, time = 0.561s. (13 GC) 4.154 s. == tcc 1) compile time jullien@sims ~/openlisp-tinycc/cbench $ time make main.c gabriel.c boyer.c browse.c ctak.c dderiv.c deriv.c destru.c div2.c fft.c fib20.c fprint.c fread.c frpoly.c puzzle.c stak.c tak.c takl.c takr.c tprint.c traverse.c triang.c ld gngabriel .. real 0m8.182s user 0m6.510s sys 0m0.830s 2) run time jullien@sims ~/openlisp-tinycc/cbench $ ./gngabriel ../contrib/gabriel.lsp 01Fib : ok, time = 0.002s. ( 0 GC) 02Tak : ok, time = 0.022s. ( 0 GC) 03Stak : ok, time = 0.129s. ( 0 GC) 04Ctak : ok, time = 0.756s. ( 0 GC) 05Takl : ok, time = 0.099s. ( 0 GC) 06Takr : ok, time = 0.055s. ( 0 GC) 07Boyer : ok, time = 0.507s. ( 2 GC) 08Browse : ok, time = 1.073s. ( 6 GC) 09Destru : ok, time = 0.146s. ( 1 GC) 10Travini : ok, time = 0.421s. ( 0 GC) 11Travrun : ok, time = 2.394s. ( 0 GC) 12Deriv : ok, time = 0.256s. ( 2 GC) 13Dderiv : ok, time = 0.285s. ( 2 GC) 14Divit : ok, time = 0.121s. ( 1 GC) 15Divrec : ok, time = 0.125s. ( 1 GC) 16FFT : ok, time = 0.794s. ( 0 GC) 17Puzzle : ok, time = 1.601s. ( 0 GC) 18Triang : ok, time = 2.756s. ( 0 GC) 19Fprint : ok, time = 0.046s. ( 0 GC) 20Fread : ok, time = 0.065s. ( 0 GC) 21Tprint : ok, time = 0.019s. ( 0 GC) 22Frpoly : ok, time = 2.385s. (13 GC) 14.058 s.
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