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- Short: Patch CopyMem/Quick for 68030 v1.1
- Author: dbusse@primus-online.de (Dirk Busse)
- Uploader: dbusse@primus-online.de (Dirk Busse)
- Type: util/boot
- Requires: At least a 68020 CPU
-
- Description:
- This is a small patch which replace the CopyMem and CopyMemQuick
- functions of exec.library.
-
- These functions are optimized for the 68030 processor. They should
- also work with the 68020/040/060 processors.
- The patch tests for a 68020 or higher processor. If it can't find one,
- it doesn't install the patch and exits with a return code of 20 (=fail).
- It also fails, if it can't allocate the necessary memory.
-
- In some cases these new functions are four times faster than the
- original functions.
-
- Installation:
- Just copy CMQ030 into c:
- And insert CMQ030 in your s:Startup-Sequence
-
- The source code is also in the archive.
-
- Author:
- Dirk Busse
- Kropsburgstraße 8
- D-67141 Neuhofen
- Germany
- <dbusse@primus-online.de>
- <100.141999@germanynet.de>
-
- Speed comparision:
- There are already some similar patches available on the Aminet:
- CopyMemQuicker V2.8 from 1994 -> Aminet:util/boot/COPMQR28.lha
- PCM V1.0 from 1996 -> Aminet:util/boot/PCM_1.0.lha
- CMQ060 from 1998 -> Aminet:util/boot/CMQ060.lha
- Also MCP could patch these functions.
-
- CopyMemQuicker is optimized for a 68000,010 and 020 processor.
-
- PCM and CMQ060 are optimized for the 68040 and 060 processors
- and are working only with this prozessors.
-
- MCP V1.32b12 is on some cases faster than CopyMemQuicker V2.8,
- but on small moves it is very slow.
-
- And now there is CMQ030, the fastest of all.
-
- Here are some test results. All results are measured on the same
- AMIGA 2000 with a GVP Impact 68030 Processor Expansion with
- 4MByte 32-bit Fast Ram and clocked with 28.322000 MHz.
-
- TestIt from
- CopyMemQuicker
- V2.8 original CopyMemQuicker MCP CMQ030
- Kickstart3.1 V2.8 V1.32b12 V1.0
- CopyMem routines
- 282×64kB L->L 1.87 1.85 1.87 1.55
- 73×64kB L->L+1 2.13 1.06 0.63 0.43
- 206×64kB L->E 1.79 1.79 1.81 1.27
- 73×64kB L->E+1 2.13 1.09 0.63 0.43
- 73×64kB L+1->L 2.13 1.07 0.53 0.49
- 191×64kB L+1->L+1 1.83 1.25 1.81 1.05
- 73×64kB L+1->E 2.13 1.07 0.69 0.43
- 250×64kB L+1->E+1 1.85 1.81 2.39 1.51
- 250×64kB E->L 1.85 1.81 1.87 1.67
- 73×64kB E->L+1 2.13 1.07 0.69 0.49
- 191×64kB E->E 1.83 1.25 1.80 1.05
- 73×64kB E->E+1 2.13 1.07 0.69 0.43
- 73×64kB E+1->L 2.11 1.07 0.53 0.49
- 206×64kB E+1->L+1 1.79 1.79 1.95 1.39
- 73×64kB E+1->E 2.13 1.07 0.69 0.46
- 282×64kB E+1->E+1 1.87 1.85 2.69 1.57
- 16950×1kB L->L 1.91 1.88 1.93 1.49
- 4700×1kB L->L+1 2.15 1.13 0.66 0.49
- 12000×1kB E->E 1.90 1.32 1.90 1.12
- 98000×128B L->L 2.01 1.84 2.21 1.17
- 77500×128B E->E 1.95 1.43 2.13 1.43
- 294000×19B L->L 2.23 1.58 3.19 1.24
- 311000×18B L->L 2.23 1.58 3.24 1.25
- 331500×17B L->L 2.23 1.70 3.31 1.37
- 478000×16B L->L 2.53 2.26 4.51 1.86
- 530000×8B L->L 2.31 1.90 3.19 1.37
- 715000×4B L->L 1.91 1.35 2.99 1.49
- 1095000×1B L->L 1.53 0.66 3.22 0.42
- CopyMemQuick
- 282×64kB L->L 1.87 1.75 1.89 1.55
- 16950×1kB L->L 1.87 1.84 1.91 1.47
- 98000×128B L->L 1.84 1.63 2.16 1.11
- 478000×16B L->L 1.66 1.30 2.85 1.12
- 530000×8B L->L 1.29 0.84 2.63 0.57
- 715000×4B L->L 1.45 0.85 3.15 0.43
-
- History:
- 1.0 (29.Nov.1998)
- - First public version.
- 1.1 ( 5.Jan.1999)
- All changes made to this version doesn't effect the speed. They
- are only to avoid problems with future versions of AMIGA OS.
- - changed the version string to the standard format
- - changed BMI to BCS and BPL to BCC
- -> now CMQ030 could move blocks bigger than 2 GigaByte ;-)
-
-
- ============================= Archive contents =============================
-
- Original Packed Ratio Date Time Name
- -------- ------- ----- --------- -------- -------------
- 352 260 26.1% 05-Jan-99 15:02:48 CMQ030
- 4604 1672 63.6% 05-Jan-99 14:57:30 CMQ030.readme
- 2764 629 77.2% 05-Jan-99 14:39:16 +CMQ030.Include.s
- 1890 692 63.3% 05-Jan-99 13:54:18 +CMQ030.s
- -------- ------- ----- --------- --------
- 9610 3253 66.1% 14-May-99 21:50:04 4 files
-