Watcom C/C++ versions 9.01, 9.5 and 10.5
| (Dos32) Watcom version | 9.01 | 9.5 | 10.5 |
| source | original | FOREST |
| compiler switches | 4 | 3 oT | 4 oT | 4 fp3 oX | 5 fp5 oX |
| floating point instruction | no | yes | no | yes |
| ref.time = DAT100 |
|---|
| Toshiba 3200SX (16MHz) | 25610 | 7735 | 25632 | 7246 |
| ... Cx486DRx2 + Cx387+/33 | 4028 | 1909 | | | 1763 |
| ... Cx486DRx2 + XC87DLX2/80 | 3350 | 1325 | | | 1438 |
| ... RapidCAD/33 | 4492 | 1102 | | | 1270 |
| ... RapidCAD/33 | 3728 | 915 | | | 1054 |
| Compaq XE 450 (PC+256K) | 1934 | 655 | 1916 |
| Compaq Prolinea 450 (no SC) | 2125 | 744 | 2107 | abend |
| -/- & 486/25 (PC+0K) | | 1290 |
| -/- & 486/33 (PC+0K) | 2853 | 966 | 2824 |
| -/- & 486/66 (PC+0K) | 1591 | 558 |
| -/- & DX4/75 (PC+0K) | 1609 | 476 | 1621 |
| -/- & DX4/100 (PC+0K) | 1203 | 357 |
| -/- & PODP/63 (32+0K) | 1366 | 311 | 1389 |
| -/- & PODP/83 (32+0K) | 1020 | 233 | 1037 |
| -/- & Cx5x86/75 (PC+0K) | 1740 | 548 | 1718 | | 517 |
| -/- & Cx5x86/100 (PC+0K) | 1301 | 410 | 1285 | |
| OPTi 495 SLC (486/50, 256K) | 1793 | 602 | 1757 | abend |
| Toshiba 4800 (DX4/75) | 1658 | 467 | 1658 | abend |
| ALI Vi15G & Amd486/80 (256K) | 1160 | 394 | 1141 | abend |
| ALI-VIP DX4/100 (PC+256K) | 1104 | 338 | 1085 | abend |
| Asus 486SP3 & Am5x86/100 | | 352 | 303 | 354 | 375 | 356
|
| Asus 486SP3 & Am5x86/100 | | 343 | 300 | 343 | 364 | 346
|
| Asus 486SP3 & Am5x86/133 | | | | | 265 | 232 | 266 | 282 | 268 |
| Asus 486SP3 & Am5x86/160 | | | | | | 210 | 243 | 255 | 243 |
| Asus 486SP3 & Cx5x86/100 | | | | | | 308 | 291 | 320 | 300 |
| Asus 486SP3 & Cx5x86/120 | 897 | | | | 250 | 275 | 262 | 285 | 268 |
| Asus 486SP3 & PODP/83 | | | | | | 190 | 153 | 147 | 141 |
| Asus 486SP3 & PODP/100 | | | | | | 173 | 142 | 137 | 132 |
| DECpc XL OVDR/100 (PC+128K) | 944 | 318 | 928 | abend | 354 |
| -/- 4100 (PC+128K) | 949 | 320 | 932 | abend |
| -/- 4100 (PC+256K) | 912 | 306 | 898 | abend | 341 |
| -/- & AmdDX4 (8+256K) | 983 | 328 | 965 | abend | 369 |
| -/- & Cx5x86/100 (16+256K) | 1009 | 318 | 988 | | 276 | 305 | 287 | 319 | 297 |
| -/- & Am5x86/100 (16+256K) | 914 | 309 | 900 | abend | | 301 | 344 | 367 | 348 |
| ALI Vi15G & Amd486/120 (256K) | 818 | 274 | | | 308 |
| Compaq XE 560 (no SC) | 860 | 244 | 853 | abend | 235 | 274 | 228 | 214 | 205 |
| OPTi 586 PCI (66MHz, no SC) | 962 | 306 | | abend |
| -/- (66MHz, 1024K) | 791 | 242 | 597 | abend |
| DECpc XL 590 (0+0K) | 2541 | | 2517 |
| -/- 590 (PC+0K) | 634 | 198 | 624 | abend |
| -/- 590 (PC+256K) | 571 | 160 | 564 | abend |
| Compaq XL 590 (256K) | 552 | 154 | | | 144 |
| xxx (90MHz, 256K) | 570 | 163 | 565 | | 151 |
| NexGen Nx586PF100/93 | 788 | 170 | | | 160 |
| Compaq XL 5100 (256K) | 498 | 139 | 495 | |
| Gateway P5-100 (no SC) | 534 | 159 | 528 | | 146 |
| OPTi PB586 (100MHz, 256K) | 546 | 163 | 539 | | 149 |
| Tadpole P1000 (256K) | 513 | 145 | 508 | abend | 136 |
| xxx (Cx6x86/120, 256K) | 644 | 209 | | | 172 |
| xxx (P54/120MHz, 256K) | 492 | 153 | 484 |
| xxx (P54/133MHz, 256K) | 396 | 115 |
| DEC Celebris 5120 (0+0K) | 9300 | 1225 | 9185 | abend | 1226 | 1477 | 1135 | 1180 | 1131 |
| -/- (PC+256K) | 515 | 167 | 504 | abend | 112 |
| DEC Celebris 5133 (0+0K) | 8354 | 1100 | 8250 | | 1101 | 1327 | 1020 | 1060 | 1017 |
| -/- (PC+256K) | 396 | 115 | 391 | abend | 106 | 125 | 104 | 98 | 95 |
| Asus (180MHz) | 290 | 85 | | | 78 |
| -/- (200MHz) | 261 | 77 | | | 70 |
| Intel UTS P6/133 | 393 | 84 | 401 | | | 102 | 81 | 78 | 71 |