Ada 2005 GNAT programs versus C gcc by benchmark task performance n-body source secs mem gz cpu cpu load Ada 2005 GNAT 8.83 2,072 2617 8.83 1% 0% 0% 100% C gcc 9.12 1,176 1490 9.12 1% 100% 2% 2% spectral-norm source secs mem gz cpu cpu load Ada 2005 GNAT 2.00 4,468 2770 7.87 99% 98% 99% 99% C gcc 2.00 1,300 569 7.89 99% 99% 100% 99% pidigits source secs mem gz cpu cpu load Ada 2005 GNAT 1.75 4,328 1068 1.74 1% 1% 100% 1% C gcc 1.74 2,716 452 1.74 100% 1% 1% 2% fannkuch-redux source secs mem gz cpu cpu load Ada 2005 GNAT 10.23 4,504 2113 40.77 100% 100% 99% 100% C gcc 8.66 980 910 34.22 100% 97% 100% 100% k-nucleotide source secs mem gz cpu cpu load Ada 2005 GNAT 11.32 258,596 4908 25.26 30% 65% 42% 87% C gcc 6.67 130,160 1506 19.33 76% 50% 92% 75% reverse-complement source secs mem gz cpu cpu load Ada 2005 GNAT 3.93 785,560 3283 4.49 1% 41% 74% 1% C gcc 1.78 994,444 1438 3.96 42% 49% 96% 42% fasta source secs mem gz cpu cpu load Ada 2005 GNAT 4.08 2,092 2221 4.08 0% 29% 72% 3% C gcc 1.32 2,912 2268 5.25 100% 99% 100% 99% binary-trees source secs mem gz cpu cpu load Ada 2005 GNAT 8.27 202,500 2107 26.49 93% 80% 73% 80% C gcc 2.44 133,956 836 7.57 80% 65% 68% 100% mandelbrot source secs mem gz cpu cpu load Ada 2005 GNAT 5.59 32,376 1819 22.17 100% 100% 98% 99% C gcc 1.64 29,424 1135 6.53 99% 100% 100% 100% regex-redux source secs mem gz cpu cpu load Ada 2005 GNAT 6.70 154,440 3640 19.34 68% 92% 63% 66% C gcc 1.48 152,352 1230 4.05 59% 99% 57% 61% Ada 2005 GNAT GNATMAKE 7.2.0 gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0 C gcc gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0 vs C vs C++