Index: /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp =================================================================== --- /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp (revision 92441) +++ /trunk/src/VBox/VMM/VMMR3/NEMR3Native-win.cpp (revision 92442) @@ -2777,4 +2777,102 @@ * results regardless of whether large pages are enabled or not. Typically * bobbing close to 500 MiB/s, non-large pages a little faster. + * + * NEM w/ simplified memory and MEM_LARGE_PAGES: + * @verbatim +bs3-memalloc-1: TESTING... +bs3-memalloc-1: #0/0x0: 0x0000000000000000 LB 0x000000000009fc00 USABLE (1) +bs3-memalloc-1: #1/0x1: 0x000000000009fc00 LB 0x0000000000000400 RESERVED (2) +bs3-memalloc-1: #2/0x2: 0x00000000000f0000 LB 0x0000000000010000 RESERVED (2) +bs3-memalloc-1: #3/0x3: 0x0000000000100000 LB 0x00000000dfef0000 USABLE (1) +bs3-memalloc-1: #4/0x4: 0x00000000dfff0000 LB 0x0000000000010000 ACPI_RECLAIMABLE (3) +bs3-memalloc-1: #5/0x5: 0x00000000fec00000 LB 0x0000000000001000 RESERVED (2) +bs3-memalloc-1: #6/0x6: 0x00000000fee00000 LB 0x0000000000001000 RESERVED (2) +bs3-memalloc-1: #7/0x7: 0x00000000fffc0000 LB 0x0000000000040000 RESERVED (2) +bs3-memalloc-1: #8/0x9: 0x0000000100000000 LB 0x0000000b20000000 USABLE (1) +bs3-memalloc-1: Found 1 interesting entries covering 0xb20000000 bytes (44 GB). +bs3-memalloc-1: From 0x100000000 to 0xc20000000 +bs3-memalloc-1: INT15h/E820 : PASSED +bs3-memalloc-1: Mapping memory above 4GB : PASSED +bs3-memalloc-1: Pages : 11 665 408 pages +bs3-memalloc-1: MiBs : 45 568 MB +bs3-memalloc-1: Alloc elapsed : 90 925 263 996 ns +bs3-memalloc-1: Alloc elapsed in ticks : 272 340 387 336 ticks +bs3-memalloc-1: Page alloc time : 7 794 ns/page +bs3-memalloc-1: Page alloc time in ticks : 23 345 ticks/page +bs3-memalloc-1: Alloc thruput : 128 296 pages/s +bs3-memalloc-1: Alloc thruput in MiBs : 501 MB/s +bs3-memalloc-1: Allocation speed : PASSED +bs3-memalloc-1: Access elapsed : 85 074 483 467 ns +bs3-memalloc-1: Access elapsed in ticks : 254 816 088 412 ticks +bs3-memalloc-1: Page access time : 7 292 ns/page +bs3-memalloc-1: Page access time in ticks : 21 843 ticks/page +bs3-memalloc-1: Access thruput : 137 119 pages/s +bs3-memalloc-1: Access thruput in MiBs : 535 MB/s +bs3-memalloc-1: 2nd access : PASSED +bs3-memalloc-1: Access elapsed : 112 963 925 ns +bs3-memalloc-1: Access elapsed in ticks : 338 284 436 ticks +bs3-memalloc-1: Page access time : 9 ns/page +bs3-memalloc-1: Page access time in ticks : 28 ticks/page +bs3-memalloc-1: Access thruput : 103 266 666 pages/s +bs3-memalloc-1: Access thruput in MiBs : 403 385 MB/s +bs3-memalloc-1: 3rd access : PASSED +bs3-memalloc-1: SUCCESS + * @endverbatim + * + * Same everything but native VT-x and VBox (stripped output a little): + * @verbatim +bs3-memalloc-1: From 0x100000000 to 0xc20000000 +bs3-memalloc-1: Pages : 11 665 408 pages +bs3-memalloc-1: MiBs : 45 568 MB +bs3-memalloc-1: Alloc elapsed : 776 111 427 ns +bs3-memalloc-1: Alloc elapsed in ticks : 2 323 267 035 ticks +bs3-memalloc-1: Page alloc time : 66 ns/page +bs3-memalloc-1: Page alloc time in ticks : 199 ticks/page +bs3-memalloc-1: Alloc thruput : 15 030 584 pages/s +bs3-memalloc-1: Alloc thruput in MiBs : 58 713 MB/s +bs3-memalloc-1: Allocation speed : PASSED +bs3-memalloc-1: Access elapsed : 112 141 904 ns +bs3-memalloc-1: Access elapsed in ticks : 335 751 077 ticks +bs3-memalloc-1: Page access time : 9 ns/page +bs3-memalloc-1: Page access time in ticks : 28 ticks/page +bs3-memalloc-1: Access thruput : 104 023 630 pages/s +bs3-memalloc-1: Access thruput in MiBs : 406 342 MB/s +bs3-memalloc-1: 2nd access : PASSED +bs3-memalloc-1: Access elapsed : 112 023 049 ns +bs3-memalloc-1: Access elapsed in ticks : 335 418 343 ticks +bs3-memalloc-1: Page access time : 9 ns/page +bs3-memalloc-1: Page access time in ticks : 28 ticks/page +bs3-memalloc-1: Access thruput : 104 133 998 pages/s +bs3-memalloc-1: Access thruput in MiBs : 406 773 MB/s +bs3-memalloc-1: 3rd access : PASSED + * @endverbatim + * + * VBox with large pages disabled: + * @verbatim +bs3-memalloc-1: From 0x100000000 to 0xc20000000 +bs3-memalloc-1: Pages : 11 665 408 pages +bs3-memalloc-1: MiBs : 45 568 MB +bs3-memalloc-1: Alloc elapsed : 50 986 588 028 ns +bs3-memalloc-1: Alloc elapsed in ticks : 152 714 862 044 ticks +bs3-memalloc-1: Page alloc time : 4 370 ns/page +bs3-memalloc-1: Page alloc time in ticks : 13 091 ticks/page +bs3-memalloc-1: Alloc thruput : 228 793 pages/s +bs3-memalloc-1: Alloc thruput in MiBs : 893 MB/s +bs3-memalloc-1: Allocation speed : PASSED +bs3-memalloc-1: Access elapsed : 2 849 641 741 ns +bs3-memalloc-1: Access elapsed in ticks : 8 535 372 249 ticks +bs3-memalloc-1: Page access time : 244 ns/page +bs3-memalloc-1: Page access time in ticks : 731 ticks/page +bs3-memalloc-1: Access thruput : 4 093 640 pages/s +bs3-memalloc-1: Access thruput in MiBs : 15 990 MB/s +bs3-memalloc-1: 2nd access : PASSED +bs3-memalloc-1: Access elapsed : 2 866 960 770 ns +bs3-memalloc-1: Access elapsed in ticks : 8 587 097 799 ticks +bs3-memalloc-1: Page access time : 245 ns/page +bs3-memalloc-1: Page access time in ticks : 736 ticks/page +bs3-memalloc-1: Access thruput : 4 068 910 pages/s +bs3-memalloc-1: Access thruput in MiBs : 15 894 MB/s +bs3-memalloc-1: 3rd access : PASSED + * @endverbatim * *