Ubuntu : Intel® Q6600® quad-core |
Compare the performance of C GNU gcc programs against some other language implementation.
For more information about the C implementation we measured see ↓ about C GNU gcc.
| 1/2 1/3 1/4 C GNU gcc is better | ||||
|---|---|---|---|---|
| Programs | Time | Memory Use | Source Size | Reduced N |
| k-nucleotide | ||||
| binary-trees | 1/8 | ± | 2 | |
| fannkuch | 1/6 | 1/2 | 2 | |
| chameneos-redux | 1/5 | 1/2 | 2 | |
| fasta | ± | 1/2 | ± | |
| n-body | ± | 1/2 | ± | |
| mandelbrot | ± | ± | ± | |
| spectral-norm | ± | 1/2 | ± | |
| pidigits | ± | 1/2 | ± | |
| regex-dna | ± | ± | ± | |
| reverse-complement | ± | 1/2 | 1/2 | |
± look at the measurements
| Program & Logs | CPU secs | Memory KB | Size B | Elapsed secs | ~ CPU Load |
|---|---|---|---|---|---|
| binary-trees | |||||
| C GNU gcc #7 | 13.71 | 100,688 | 850 | 5.10 | 50% 34% 85% 81% |
| C++ GNU g++ #2 | 40.80 | 99,396 | 553 | 40.79 | 0% 0% 0% 100% |
| fannkuch | |||||
| C GNU gcc #2 | 50.54 | 552 | 937 | 12.88 | 98% 100% 98% 98% |
| C++ GNU g++ #2 | 71.42 | 1,092 | 554 | 71.41 | 100% 0% 0% 0% |
| chameneos-redux | |||||
| C GNU gcc #5 | 2.84 | 580 | 2879 | 0.72 | 100% 97% 99% 100% |
| C++ GNU g++ #4 | 12.10 | 1,160 | 1800 | 3.46 | 83% 76% 99% 100% |
| fasta | |||||
| C GNU gcc #4 | 5.18 | 396 | 1221 | 5.19 | 100% 0% 0% 0% |
| C++ GNU g++ #4 | 6.07 | 744 | 1266 | 6.07 | 0% 100% 0% 0% |
| n-body | |||||
| C GNU gcc #5 | 23.52 | 416 | 1429 | 23.52 | 100% 0% 0% 0% |
| C++ GNU g++ #4 | 23.84 | 788 | 1428 | 23.84 | 1% 0% 100% 0% |
| mandelbrot | |||||
| C GNU gcc #6 | 24.38 | 27,248 | 879 | 6.11 | 100% 100% 100% 100% |
| C++ GNU g++ #5 | 24.70 | 28,800 | 858 | 6.18 | 100% 100% 100% 100% |
| spectral-norm | |||||
| C GNU gcc #4 | 12.00 | 688 | 1139 | 3.00 | 100% 100% 100% 100% |
| C++ GNU g++ #7 | 12.01 | 1,032 | 1114 | 3.01 | 100% 100% 100% 100% |
| pidigits | |||||
| C GNU gcc #4 | 2.71 | 1,012 | 541 | 2.71 | 0% 100% 0% 0% |
| C++ GNU g++ #3 | 2.71 | 1,596 | 682 | 2.72 | 0% 9% 7% 100% |
| regex-dna | |||||
| C GNU gcc #2 | 32.17 | 124,696 | 1099 | 32.17 | 0% 0% 100% 0% |
| C++ GNU g++ #3 | 28.80 | 116,612 | 1599 | 28.80 | 31% 0% 0% 70% |
| reverse-complement | |||||
| C GNU gcc #4 | 1.37 | 125,192 | 722 | 1.37 | 100% 1% 1% 1% |
| C++ GNU g++ #2 | 1.81 | 245,092 | 1098 | 1.13 | 15% 31% 21% 88% |
gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu8)
Online book: The C Book
Home Page: http://gcc.gnu.org/
Download: ftp://ftp.gnu.org/pub/gnu/gcc/