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VIZ.DAT
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1991-06-06
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┌──────────────────────────────────────────────────────────────────────────────┐
│ Designations claimed as trademark appear in initial capitals or all capitals │
└──────────────────────────────────────────────────────────────────────────────┘
Copyright (c) 1989-1991 by F.M. de Monasterio. All rights reserved.
VIz version 4.12
----------------
BENCHMARKS
The data were obtained with the utilities HLTEXT.EXE and HLWINDOW.EXE of the
PC TECH JOURNAL benchmarks 1.0, (c)1988 Ziff Communications Co., BENCH24.EXE
of the PC MAGAZINE benchmarks 5.0, (c)1989 Ziff-Davis Corp., and VIZMARK.EXE
version 2.10, (c)1990 F.M. de Monasterio. These data represent the mean of 5
sequential runs of each utility, after the initial run (that was discarded),
expressed as the factor in accelerating operations relative to the benchmark
results obtained without a video accelerator. In other words, the higher the
factor the shorter the actual benchmark times for a given test.
The accelerator being tested was installed as the only resident program that
intercepted the BIOS video interrupt 10h in (1) a 25-Mhz 386 computer with a
32-bit bus, an 8-bit nonplanar VGA adapter, and a Phoenix BIOS 1.10 10a; (2)
a 16-Mhz 386 computer with a 16-bit bus, a 16-bit nonplanar VGA adapter, and
a 1984-IBM AT BIOS, and (3) a 10-Mhz 8088 computer with an 8-bit bus, an EGA
adapter and a 1988-EPSON BIOS. A 25 row, 80 column screen was used. The 32-
bit bus machine was run under IBM PC-DOS 3.30 and the other two under COMPAQ
MS-DOS 3.31. The VIz versions being tested used word OUT addressing, and the
ROM video BIOS was not remapped to faster RAM in the 80386 machines.
------------------------------------------------------------------------------
386 USERS:
Note that the use of a 386 memory manager of the type of 386^MAX (Qualitas)
or QEMM-386 (Quarterdeck) can sometimes result in nontrivial changes in the
video I/O. In some cases, VIz can only bring video speed to levels not much
above the actual speed prior to the installation of the memory manager.
┌───────────────────┐
16Mhz 16bit-386 │ 386MAX QEMM-386 │
│ (1) (2) │
┌───────────────────┐ ├───────────────────┤
│- VIZMARK.EXE │ │ │
│ DOS │ │ 0.99 0.61 │
│ CON fast │ │ 0.89 0.57 │
│ ANSI │ │ -- -- │
│ │ │ │
│ BIOS miscellan │ │ 0.85 0.50 │
│ no scroll │ │ 0.92 0.52 │
│ scrolling │ │ 0.97 0.74 │
│ │ │ │
│ Direct Writing │ │ 1.39 1.00 │
└───────────────────┘ └───────────────────┘
NOTES:
(1) Version 4.09.009ß (Copyright 1987-1990 Qualitas, Inc.). Video RAM was
not remapped to faster RAM.
(2) Version 5.0 (Copyright Quarterdeck Office Systems). Video RAM was not
remapped to faster RAM.
------------------------------------------------------------------------------
1. RELATIVE ACCELERATION:
25Mhz 32bit-386 16Mhz 16bit-386 10Mhz 8bit-8088
┌──────────────┐ ┌──────────────┐ ┌──────────────┐
│ 386-VIz 4.12 │ │ 286-VIz 4.12 │ │ 086-VIz 4.12 │
╒═══════════════════╕ ╞══════════════╡ ╞══════════════╡ ╞══════════════╡
│ Load switches │ │ Z- Z+ │ │ Z- Z+ │ │ Z- Z+ │
├───────────────────┤ ├──────────────┤ ├──────────────┤ ├──────────────┤
│- HLTEXT.EXE │ │ │ │ │ │ │
│ BIOS scrolling │ │ 2.88 2.88 │ │ 2.83 2.83 │ │ 2.91 2.91 │
│ DOS scrolling │ │ 2.32 3.80 │ │ 2.24 5.25 │ │ 2.26 4.31 │
│ Misc scrolling │ │ 3.47 3.47 │ │ 3.26 3.26 │ │ 1.85 1.85 │
│ Wind scrolling │ │ 4.74 4.74 │ │ 3.59 3.59 │ │ 2.40 2.40 │
│ │ │ │ │ │ │ │
│- HLWINDOW.EXE │ │ 4.33 4.33 │ │ 3.66 3.66 │ │ 2.21 2.21 │
│ │ │ │ │ │ │ │
│- BENCH24.EXE │ │ │ │ │ │ │
│ no scroll │ │ 8.26 8.26 │ │ 5.01 5.01 │ │ 11.90 11.90 │
│ scrolling │ │ 3.58 3.58 │ │ 3.40 3.40 │ │ 4.09 4.09 │
│ │ │ │ │ │ │ │
├───────────────────┤ ├──────────────┤ ├──────────────┤ ├──────────────┤
│- VIZMARK.EXE │ │ │ │ │ │ │
│ DOS │ │ 2.47 7.06 │ │ 1.92 10.82 │ │ 2.29 10.15 │
│ CON fast │ │ 4.32 4.32 │ │ 3.12 3.12 │ │ 5.56 5.56 │
│ ANSI │ │ -NA- -NA- │ │ -NA- -NA- │ │ -NA- -NA- │
│ BIOS miscellan │ │ 5.08 5.08 │ │ 3.80 3.80 │ │ 3.35 3.35 │
│ no scroll │ │ 8.92 8.92 │ │ 5.10 5.10 │ │ 8.73 8.73 │
│ scrolling │ │ 3.76 3.76 │ │ 3.51 3.51 │ │ 4.49 4.49 │
│ │ │ │ │ │ │ │
└───────────────────┘ └──────────────┘ └──────────────┘ └──────────────┘
--------
2. COMPARISONS WITH OTHER RESIDENTS (1):
┌────────────────────────────────────────────────┐
16Mhz 16bit-386 │ 286-VIz QUICKCRT PCKSCRN VSCREEN THEFAST │
│ 4.12 (2) (3) (4) (5) │
╒═══════════════════╕ ╞════════════════════════════════════════════════╡
│ Resident size │ │ 896 1456 4592 1040 912 │
├───────────────────┤ ├────────────────────────────────────────────────┤
│ Load switches │ │ Z+ /F /A+/Q+ none none │
├───────────────────┤ ├────────────────────────────────────────────────┤
│- HLTEXT.EXE │ │ │
│ BIOS scrolling │ │ 2.83 2.65 2.41 1.52 0.96 │
│ DOS scrolling │ │ 5.25 2.03 1.92 1.38 0.97 │
│ Misc scrolling │ │ 3.26 1.95 2.83 1.91 2.01 │
│ Wind scrolling │ │ 3.59 2.66 2.43 2.52 2.81 │
│ │ │ │
│- HLWINDOW.EXE │ │ 3.66 2.49 2.29 2.38 2.58 │
│ │ │ │
│- BENCH24.EXE │ │ │
│ no scroll │ │ 5.01 4.17 3.33 3.49 0.94 │
│ scrolling │ │ 3.40 3.16 2.74 1.77 0.95 │
│ │ │ │
├───────────────────┤ ├────────────────────────────────────────────────┤
│- VIZMARK.EXE │ │ │
│ DOS │ │ 10.82 1.84 1.73 1.57 0.95 │
│ CON fast │ │ 3.12 2.87 2.53 2.07 0.94 │
│ ANSI │ │ -NA- -NA- -NA- -NA- -NA- │
│ BIOS miscellan │ │ 3.80 3.23 2.60 1.70 2.48 │
│ no scroll │ │ 5.10 4.21 3.24 3.65 0.91 │
│ scrolling │ │ 3.51 3.19 2.79 1.87 0.94 │
│ │ │ │
└───────────────────┘ └────────────────────────────────────────────────┘
╒═══════════════════╕ ╒════════════════════════════════════════════════╕
│ Output factor (6) │ │ 4.45 2.87 2.57 1.98 1.45 │
│ Factor/kbyte (7) │ │ 5.08 2.02 0.57 1.95 1.63 │
╘═══════════════════╛ ╘════════════════════════════════════════════════╛
NOTES:
(1) ZENO.COM (version 2.20) could not included in the above comparisons
because its 'teletype' service garbled the DOS prompt/command line.
(2) Copyright 1986 T. Overfield (version 1.00).
(3) Copyright 1987-89 MultiSoft Corporation (version 1.05).
(4) Copyright 1985-87 Golden Bow Systems (version 1.06).
(5) Copyright 1986-87 Soft Programming Services (version 1.04).
(6) Sum of the acceleration factors divided by the 12 (nondirect) tests.
(7) Mean video acceleration factor divided by the resident size (rounded
to the next larger paragraph [16 bytes] boundary) in kbytes (1 kbyte
= 1024 bytes). This is an approximate index of the effectiveness of
the resident code in implementing video acceleration.
--------
3. RELATIVE ANSI FILTER OUTPUT (asterisks indicate reference values):
25Mhz 32bit-386 16Mhz 16bit-386
┌────────┐ ┌─────────────────┐ ┌────────────────┐
│DOS CON:│ │ANSI.SYS 386-VIz│ │ANSI.SYS 286-VIz│
│ (1) │ │ (2) 4.12 │ │ (3) 4.12 │
┌───────────────────┐ ├────────┤ ├─────────────────┤ ├────────────────┤
│ Resident size │ │ NA │ │ 1678 1696 │ │ 1678 1680 │
├───────────────────┤ ├────────┤ ├─────────────────┤ ├────────────────┤
│ Load switches │ │ none │ │ none Z-A+ │ │ none Z-A+ │
├───────────────────┤ ├────────┤ ├─────────────────┤ ├────────────────┤
│- HLTEXT.EXE │ │ │ │ │ │ │
│ BIOS scrolling │ │ ** │ │ 1.00 2.88 │ │ 1.00 2.83 │
│ DOS scrolling │ │ ** │ │ 0.74 3.03 │ │ 0.71 2.40 │
│ Misc scrolling │ │ ** │ │ 1.00 3.47 │ │ 1.00 3.26 │
│ Wind scrolling │ │ ** │ │ 1.00 4.74 │ │ 1.00 3.59 │
│ │ │ │ │ │ │ │
├───────────────────┤ ├────────┤ ├─────────────────┤ ├────────────────┤
│- VIZMARK.EXE │ │ │ │ │ │ │
│ DOS │ │ ** │ │ 0.74 2.41 │ │ 0.68 2.08 │
│ CON fast │ │ ** │ │ 0.62 3.96 │ │ 0.60 3.75 │
│ ANSI │ │ NA │ │ ** 6.83 │ │ ** 4.62 │
│ │ │ │ │ │ │ │
│ BIOS miscellan │ │ ** │ │ 1.00 5.08 │ │ 1.00 3.80 │
│ no scroll │ │ ** │ │ 1.00 8.92 │ │ 1.00 5.10 │
│ scrolling │ │ ** │ │ 1.00 3.76 │ │ 1.00 3.51 │
│ │ │ │ │ │ │ │
└───────────────────┘ └────────┘ └─────────────────┘ └────────────────┘
NOTES:
(1) ANSI.SYS not installed (DOS video output being handled by the internal
console device driver of the operating system (CON:).
(2) Distributed with IBM PC-DOS (version 3.30).
(3) Distributed with COMPAQ MS-DOS (version 3.31).
--------
4. ANSI COMPARISONS WITH OTHER RESIDENTS:
┌───────────────────────────────────────────────┐
16Mhz 16bit-386 │ 286-VIz ANSI.COM NANSI.SYS ZANSI.SYS ZAVT.SYS │
│ (1) (2) (3) (4) (5) │
┌───────────────────┐ ├───────────────────────────────────────────────┤
│ Resident size │ │ 1680 2336 3168 2720 3536 │
├───────────────────┤ ├───────────────────────────────────────────────┤
│ Load switches │ │ Z-A+ FAST/B0 none none none │
├───────────────────┤ ├───────────────────────────────────────────────┤
│- VIZMARK.EXE │ │ │
│ DOS │ │ 2.08 1.22 1.62 1.92 1.69 │
│ CON fast │ │ 3.75 1.37 2.20 3.12 2.39 │
│ ANSI │ │ 4.62 1.87 3.04 3.34 3.51 │
│ │ │ │
│ BIOS miscellan │ │ 3.80 1.00 1.00 1.00 1.00 │
│ no scroll │ │ 5.10 1.00 1.00 1.00 1.00 │
│ scrolling │ │ 3.51 1.00 1.00 1.00 1.00 │
│ │ │ │
└───────────────────┘ └───────────────────────────────────────────────┘
╒═══════════════════╕ ╒═══════════════════════════════════════════════╕
│ Output factor (6)│ │ 3.48 1.48 2.29 2.79 2.53 │
│ Factor/kbyte (7)│ │ 2.12 0.65 0.74 1.05 0.73 │
╘═══════════════════╛ ╘═══════════════════════════════════════════════╛
NOTES:
(1) Version 4.12; the resident accelerator uses 896 bytes of memory; ANSI
(plus Cursor service) resident size is less than 800 bytes.
(2) Copyright 1989 Ziff-Davis Corp., Author: M.J. Mefford (version 1.20).
Switch /B0 yields the smallest resident size; part of such a resident
handles keyboard remapping services (not included in the benchmarks).
Switch 'SLOW' generates an output slower than that of ANSI.SYS alone.
Resident can be turned off and removed from memory.
(3) Copyright 1986, D. Kegel (version 2.2). Includes a keyboard remapping
service. Driver cannot be turned off or removed from memory.
(4) Copyright 1986, 1987, T. Hanlin III (version 1.2). Does not include
keyboard remapping services. Driver cannot be turned off or removed
from memory.
(5) Copyright 1989, 1990, Luns Tee (version 1.1). Also includes an Avatar
level 0 handler. Used ZAVTNK.SYS, which is smaller than ZAVT.SYS and
has the keyboard remapping service disabled. Driver cannot be turned
off or removed from memory.
(6) Sum of the acceleration factors for DOS, CON, and ANSI divided by 3.
(7) Mean DOS/CON/ANSI output factor divided by the resident size (rounded
to the next larger paragraph [16 bytes] boundary) in kbytes (1 kbyte
= 1,024 bytes). This is an approximate index of the effectiveness of
the resident code in implementing this video output subset.
------------------------------------------------------------------------------
[END]