@PixelHi

In my opinion and based on what I analysed so far - the only area where SAM460 is faster/better is FPU speed for standard FPU code.

Of course its hard to tell when will this bother you since all other parts of A1222 are better/faster than SAM460. This question is still not answered since improvements on A1222 are still comming. For example L2 cache speed increased dramatically in last update.

Below is a good benchmark (newest stream-5.10-AOS from Aminet/OS4depot) that can ilustrate FPU emulation vs native SPE performance on A1222:

Emulated FPU (standard FPU code)
Function Best Rate MB/s Avg time Min time Max time
Copy: 842.5 0.194572 0.189902 0.201057
Scale: 150.8 1.063566 1.061034 1.066340
Add: 160.0 1.510033 1.499692 1.524443
Triad: 153.6 1.569161 1.563005 1.577607

A1222 SPE FPU (SPE code)
Function Best Rate MB/s Avg time Min time Max time
Copy: 831.8 0.197500 0.192355 0.211105
Scale: 542.5 0.301120 0.294940 0.309383
Add: 617.1 0.400034 0.388917 0.413630
Triad: 592.5 0.413958 0.405089 0.420792

I dont have SAM460 benchmark results for the newest stream-5.10-AOS to compare, but maybe owners of SAM460 can provide us with this info?

But it is clearly visible that emulated code vs SPE code for FPU operation on A1222 is somehow only "4x slower" in speed than native code. This really shows how SPE FPU emulator is very effective and fast implementation. Usually when you emulate FPU on CPU that does not have real FPU - its not usable at all. Speed number are then unusable. On A1222 FPU emulation si usable because A1222 has SPE FPU with its own math function so emulator translates those to standard FPU. There are equivalent functions but with speed penalty.

But in general you dont really want to use very intensive FPU code on A1222 via FPU emulation. It not usable. Only SPE port can solve that!

However A1222 SPE FPU is also in the same time a 64-bit vectorial unit (like "small" Altivec). I cant wait moment when developers start to explore that advantage. There are vectorial instructions in A1222 SPE unit. Right now ports to A1222 are just recompile to use SPE math functions instead of standard ones.

Also important thing to compare A1222 vs SAM460 is that P1022 in A1222 is dual core. If multicore arrives, even the most primitive one - then there will be no base to compare it to SAM460. It will be much faster.

The only problem I see now with SAM460 is effective support for modern graphic cards (RX cards, GART). If I understand correctly GART enables fast memory transfers between main memory and GFX card memory. But that may be solved in the future.

@Maijestro

“Samsung 8GB PC3L-12800S DDR3 1600 MHz 1.35 V SODIMM RAM” is maybe dual voltage. Then it can work with 1.35V and 1.5V.

I have two Crucial 4GB DDR3L-1600 SODIMM 1.35V CL (CT51264BF160BJ.M8FN)but it is rated only as 1.35V. I didnt tested that one in A1222. Probably nothing will happen but A1222 is kind of unique piece of hardware that cannot be bought at any corner - so I am kind of carefull. Mine if from year 2016 or something (beta testers version).

There is no data in documentation that A1222 can handle 1.35V only SODIMM. I investigated further on P1022 CPU QorIQ Integrated Processor Hardware Specifications Rev.0. Memory controller is integrated in P1022 CPU. Only 1.8 V (DDR2) and 1.5V (DDR3) is mentioned.

There are also dual voltage DDR3(L) SODIMMs still on sale. Nothing wrong also with used ones from old laptops. RAM is not really something that fail very often. Before testing on A1222 I usually put it on my old PC laptop to see if its ok

-Dooz

@FirstNinja

This one by the specification should work OK.

We should make a database of working SODIMMs... new and used that we tested. So far I didnt really find any that doesnt work. The actual speed is different for each model.

-Dooz

@FirstNinja

Hi,

Today I tested every DDR3 sodimm I have along with results for stream-5.10-AOS SPE version benchmark:

Goldenmars_DDR3_1333_2GB_GBM20028SOX829-1333
Function Best Rate MB/s Avg time Min time Max time
Copy: 849.6 0.191872 0.188317 0.197496

Kingmax_DDR3_1333_4GB_FSFG45F_D8KQ9
Function Best Rate MB/s Avg time Min time Max time
Copy: 779.8 0.210653 0.205181 0.218193

Kingmax_DDR3_1333_8GB_FSFG45F_D8WP9
Function Best Rate MB/s Avg time Min time Max time
Copy: 768.5 0.213300 0.208201 0.220564

Kingston_DDR3_1066_1GB_KVR1066D3S7_1G_15V
Function Best Rate MB/s Avg time Min time Max time
Copy: 858.1 0.191270 0.186469 0.195570

Transcend_DDR3_1333_2GB_TS256MSK64V3N
Function Best Rate MB/s Avg time Min time Max time
Copy: 802.2 0.204801 0.199456 0.213972

Transcend_DDR3_1333_4GB
Function Best Rate MB/s Avg time Min time Max time
Copy: 809.5 0.204381 0.197663 0.214569

All those working OK on A1222. Type is usual DDR3 5V

-Dooz

@FirstNinja

Some info here:

https://www.amigans.net/modules/newbb/viewtopic.php?post_id=148679

I also done some testing and results with different sodimms on A1222.

-dooz

I just tested Trancend 4 GB 2Rx8 DDR3 1333 MHz SO. It work just fine. This is a DDR3 type. I am extracting those from old laptops.

The speed results are:
Function Best Rate MB/s Avg time Min time Max time
Copy: 794.6 0.212749 0.201347 0.228843
Scale: 491.0 0.331638 0.325844 0.339423
Add: 588.6 0.415173 0.407729 0.427131
Triad: 556.7 0.441786 0.431123 0.460598

From my testing so far it seems that the fastest DDR3 RAM on A1222 are the older and smallest ones. So far 2 GB versions were the fastest. The older one you can find - the better. Or there is catch with the size... the smaller, the faster...I dont know. That is why testing is for

So its worth looking for those in old laptops.

I also found one DDR3L that is only 1.35V (it has a label 1.35V). Also documentations suggest only 1.35V. Most of those are still dual voltage but not this one. So those versions exists. I still didnt tested those to avoid problems. Typical example of those 1.35V only DDR3L is:

Cricial ct51264bf160bj.m8fn
4 GB DDR3L-1600 SODIMM 1.35V CL11

That one is not tested.

I tested several kinds of DDR3 in A1222. I also done also speed test to see if there is some diference. I was suprised that one module gives better performance. Test was done with SPE compiled STREAM benchmark that is on Aminet/OS4depot (stream-5.10-AOS).

I tested two kind of 1333 MHz and one 1066 MHz. All worked ok.

GoldenMars GMB20028SOX829-1333 MHz 2GB DDR3:
Function Best Rate MB/s Avg time Min time Max time
Copy: 853.5 0.190645 0.187454 0.205199
Scale: 530.4 0.314437 0.301685 0.333246
Add: 608.5 0.406054 0.394389 0.417909
Triad: 579.4 0.423509 0.414206 0.437765

KINGMAX FSFF65F-D6KQ9 BEE 1333 MHz 4 GB DDR3:
Function Best Rate MB/s Avg time Min time Max time
Copy: 787.8 0.208007 0.203093 0.217850
Scale: 479.9 0.340636 0.333376 0.346968
Add: 568.6 0.430306 0.422055 0.441371
Triad: 550.5 0.449238 0.435952 0.468612

KINGSTOM KVR1066D3S7/1G 1066 MHz 1 GB DDR3:
Function Best Rate MB/s Avg time Min time Max time
Copy: 859.0 0.189459 0.186271 0.195421
Scale: 557.1 0.296775 0.287192 0.304756
Add: 635.8 0.386305 0.377477 0.397208
Triad: 598.6 0.406753 0.400919 0.418826

So not every DDR3 gives the same speed on A1222. All DDR3 I tested are 1.5V.

I *didnt tested* 1600 MHz because the ones I have are *DDR3L* declared as 1.35V. DDR3 is usually 1.5V. Both are pin compatible but I simply didnt want to test that to avoid possible problems or to damaged board. Cant find any info that A1222 is compatible with DDR3L - maybe someone else can confirm?

Also other test results and compatibility reports from other A1222s out there are also usefull. DDR3 SoDIMM can be found in old PC laptops.

-dooz

@Maijestro

Congatulations on your purchase of A1222!

I have RX580 in A1222. It work OK, but I dont know if its "overkill" for A1222 I have no data to actually compare. We should do some benchmarks and compare RX550, 560, 570 and 580 in A1222. Maybe users with different RX cards can post results, so we know if its worth or not.

I could also buy RX570 but the price was just a little big higher... so why not buy faster right away.....

What I noticed is that more powerfull cards are more quiet with less heat. Smaller card are maybe more "occupied". Before I had small SI GFX card and it was very loud. Now I have "big" card and its quiet.

Playing 1080p movies on A1222 is also nice - only 20-30% of CPU is used. Even two 1080p movies at the same time consumes about 50-60% CPU with RX580. That is with DVPlayer that has integrated video acceleration. This is very good - now I am watching all movies only on A1222! Sound driver uses DMA so that is not eating CPU cycles either.

A1222 is probably the best supported AmigaONE so buy driver wise. All hardware integrated on motherboard is 100% supported and accelerated. Even FPU emulator here and it work fast for small and medium FPU tasks. It is not really true that A122 does not have FPU, it has but code must be compiled for special A1222 SPE FPU which is in the same time also vector unit.

-dooz

@sailor

A little bit higher results here on A1222. I am running a beta 1222 Tabor system from year 2016. I repeated test with emergency USB stick that is delivered with A1222+ but the results are the same. Maybe you have some stuff working in background.....

stream_spe:
Function Best Rate MB/s Avg time Min time Max time
Copy: 842.8 0.191521 0.189850 0.196177
Scale: 547.7 0.295012 0.292110 0.304204
Add: 627.5 0.385231 0.382451 0.388252
Triad: 595.9 0.404831 0.402750 0.410643

stream:
Function Best Rate MB/s Avg time Min time Max time
Copy: 840.9 0.192648 0.190283 0.196379
Scale: 154.2 1.038695 1.037723 1.040899
Add: 162.7 1.478401 1.475531 1.481802
Triad: 156.5 1.537082 1.533314 1.538960

Indeed LTE emulator is doing a great job. In applications with less FPU code user will not notice any speed slowdown. That is the main objective with LTE. But I guess these results are also high because of fast memory transfer on A1222.

About the 3D games - the problem is primary because of minigl library. Practically nothing will work (even included demos with minigl). At least in my testing.

Lot of system parts in AOS4 are optimized with SPE. Also Warp3DNova and other code done by Hans is optimized.

But there is a minigl version for both mixed FPU and SPE code and only SPE version. It can be downloaded from:

https://www.goldencode.de/?page=2

Also other SPE optimized games from Daniel are on this page.

Also there is a Novabridge that will then make FPU/SPE minigl library operational on Radeon RX cards. Also then Rewarp will make possible to run software for WapUp. There is a great tutorial by kas1e here:

https://www.amigans.net/modules/newbb/viewtopic.php?topic_id=9032

I tested all this in A1222 and results are great in some games, some not (too slow to play). I even amanged to get Quake Darkplaces working with more than 20 fps under LTE (Quake uses a lot FPU code). Quake darkplaces must be started with benchmark switch (otherwise it doesnt work, also game must be started from previous saved game position - if you have one from other Amiga system):

stack 9000000
darkplaces-sdl -benchmark -widht 640 -height 480

Lots of things to investigate and play around with A1222 Real SPE optimized games will work excellent because SPE FPU performance is fast. This is when FPU is used in games - then I guess the real thing is to transfer all the calculations on the graphic card...not using much of FPU.

Here I have A1222 with Radeon RX 580. It works great.

-dooz

Amiga 1200
BlizzardPPC 603e/200 MHz, BVisionPPC, AmigaOS4
CPUBench v1.0
--------------------

RageMem:

RAGEMEM v0.37 - compiled 11/06/2010

CPU: 603e 7.513 @ 198 Mhz
Caches Sizes: L1: 16 KB - L2: none - L3: none
Cache Line: 32

---> CPU <---
MAX MIPS: 338

---> L1 <---
READ32: 745 MB/Sec
READ64: 1191 MB/Sec
WRITE32: 660 MB/Sec
WRITE64: 1187 MB/Sec

---> RAM <---
READ32: 59 MB/Sec
READ64: 60 MB/Sec
WRITE32: 39 MB/Sec
WRITE64: 39 MB/Sec
WRITE: 88 MB/Sec (Tricky)

---> VIDEO BUS <---
READ: 6 MB/Sec
WRITE: 18 MB/Sec



SortBench:
-------------------------------------------------------------
SORTBENCH 1.1 (Gunnar von Boehn)
Its a CPU benchmark that stresses CPU, DCache and branch prediction.
-------------------------------------------------------------
1 K Element : 180.34 MB/sec
2 K Element : 180.35 MB/sec
4 K Element : 178.71 MB/sec
8 K Element : 91.73 MB/sec
16 K Element : 78.65 MB/sec
32 K Element : 76.05 MB/sec


BogoMIPS:
Calibrating delay loop..

Ok - 48.00 BogoMips



Dhrystone:
Dhrystone Benchmark, Version 2.1 (Language: C)
Program compiled without 'register' attribute

Execution starts, 50000000 runs through Dhrystone
Execution ends

Final values of the variables used in the benchmark:

Int_Glob: 5
should be: 5
Bool_Glob: 1
should be: 1
Ch_1_Glob: A
should be: A
Ch_2_Glob: B
should be: B
Arr_1_Glob[8]: 7
should be: 7
Arr_2_Glob[8][7]: 50000010
should be: Number_Of_Runs + 10
Ptr_Glob->
Ptr_Comp: 1016252984
should be: (implementation-dependent)
Discr: 0
should be: 0
Enum_Comp: 2
should be: 2
Int_Comp: 17
should be: 17
Str_Comp: DHRYSTONE PROGRAM, SOME STRING
should be: DHRYSTONE PROGRAM, SOME STRING
Next_Ptr_Glob->
Ptr_Comp: 1016252984
should be: (implementation-dependent), same as above
Discr: 0
should be: 0
Enum_Comp: 1
should be: 1
Int_Comp: 18
should be: 18
Str_Comp: DHRYSTONE PROGRAM, SOME STRING
should be: DHRYSTONE PROGRAM, SOME STRING
Int_1_Loc: 5
should be: 5
Int_2_Loc: 13
should be: 13
Int_3_Loc: 7
should be: 7
Enum_Loc: 1
should be: 1
Str_1_Loc: DHRYSTONE PROGRAM, 1'ST STRING
should be: DHRYSTONE PROGRAM, 1'ST STRING
Str_2_Loc: DHRYSTONE PROGRAM, 2'ND STRING
should be: DHRYSTONE PROGRAM, 2'ND STRING

Duration in seconds: 236.8
Microseconds for one run through Dhrystone: 4.7
Dhrystones per Second: 211168.3
Dhrystone MIPS (DMIPS) 120



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30359 30475 30483 30603 30605 30843 30844 30846 31075 31077 31299 31300 31301 31302 31314 31320 31322 31328 31517 31519 31725 31727 31728 31729 31928 31930 32122 32123 32124 32125 32156 32165 32309 32311 32487 32488 32489 32490 32659 32661 32822 32823 32824 32825 32979 32980 32990 32996 32999 33004 33126 33127 33128 33267 33269 33399 33400 33401 33525 33525 33526 33642 33643 33751 33752 33752 33827 33836 33853 33854 33946 33947 33947 33948 34033 34033 34111 34111 34111 34112 34181 34182 34244 34244 34244 34245 34299 34299 34346 34346 34346 34346 34385 34385 34416 34417 34417 34417 34440 34440 34456 34456 34456 34464 34464 34656 34662 34664 34670 35488 35496 36311 36317 36319 36325 37137 37146 37955 37960 37963 37969 38775 38783 39586 39592 39595 40401 40409 41206 41211 41214 42013 42016 42022 42812 42820 43613 43616 43621 44405 44413 45194 45199 45202 45207 45984 45993 46766 46771 46774 46779 47549 47557 48323 48329 48331 48337 49099 49107 49866 49871 49873 49879 50633 50641 51392 51397 51400 51405 52152 52160 52903 52908 52910 53654 53662 54397 54404 55140 55142 55147 55873 55881 56603 56608 56610 56615 57333 57340 58053 58058 58061 58066 58774 58781 59486 59490 59493 59498 60197 60204 60899 60904 60906 60911 61601 61608 62294 62298 62301 62305 62986 62993 63669 63673 63676 64351 64358 65024 65028 65031
Total time taken by CPU: 23.09


Sieve:

Sieve of Eratosthenes (Scaled to 10 Iterations)
Version 1.2, 03 April 1992

Array Size Number Last Prime Linear RunTime MIPS
(Bytes) of Primes Time(sec) (Sec)
8191 1899 16381 0.010948 0.010948 151.4
10000 2261 19997 0.013366 0.013466 150.9
20000 4202 39989 0.026732 0.097847 42.1
40000 7836 79999 0.053464 0.356293 23.4
80000 14683 160001 0.106929 0.849152 19.9
160000 27607 319993 0.213858 1.854858 18.4
320000 52073 639997 0.427716 3.993530 17.2
640000 98609 1279997 0.855431 8.681641 16.0
1280000 187133 2559989 1.710862 18.974609 14.8
2560000 356243 5119997 3.421724 40.253906 14.1
5120000 679460 10239989 6.843449 84.746094 13.5
10240000 1299068 20479999 13.686897 177.910156 13.0
20480000 2488465 40960001 27.373795 371.210938 12.5

Relative to 10 Iterations and the 8191 Array Size:
Average RunTime = 0.092832 (sec)
High MIPS = 151.4
Low MIPS = 12.5



Whetstone:

Please wait...

Loops: 50000 Iterations: 1 Duration: 74.1 seconds
C Converted Double Precision Whetstones: 67.4 MIPS


All tests done.

My RX580 on A1222 behaves the same if I put low power or high power in idle mode. For example I can measure the same fps in CoW3D6-NoInfoBar-os4-Nova benchmark. But the difference is if I leave benchmark for a long time in low-power mode the fps will drop from 2700 fps to 900 fps and the card will not be hot and fans will not spin very fast. In high-power it will run constantly 2700 fps, card will be hot and fans will spin fast.

So I am using dynamic settings.

The card is very quiet all the time in normal usage. It also doesnt spin up fans to high speed imediately after starting demanding application. But it will heat up and spin to high speed eventually when the temperature rises (in high power mode).

I think this is prefereable way op operation. If demanding application is running long enough it will spin-up considerably.

RX580 is an overkill for our application and hardware but at least its very quiet most of the time.

My last card R7 250 was very loud. Much louder than my A1200 BPPC / BVision and all extra fans in midi-tower. Now with power management and XFX Radeon 580 GTS in A1222 things are great. Except this card is very large and I had a lot of effort to put it in small mini-ITX case. But once you did it then its ok.

-dooz

@levellord

For me it is always a bit of anticipation when I buy new graphic card for Amiga. First thing is to prepare yourself that maybe this card will not work in Amiga and that I will buy it for nothing. I cant really later say in PC shop that this card does not work in Amiga - they mosty dont know what this Amiga computer is Personnel in PC shop will plug it in some PC and it works - so no returns in this kind of "testing" is possible.

Also in this case we are taking about Amiga motherboard here. Such a big card RX580 is compared to mini-ITX motherboard. The version is 1.0 of PCIe slot. Will it work crossed my mind since all thoise cards are PCIe V3? There is practically nobody reported about this card working in A1222. Also RX580 is a power hungry card....there are some reports that thise gfx card can draw more watt then is allowed by specification also trought motherboard (70 ot 80 W, cant remember).... in additional to external power connector. Will it blow up Amiga motherboard or damage it with time? X5000 is safer since this is a bigger motherboard with more than one PCIe slot. But for me everthing is OK - I use it all the time. In the end its better to buy gfx card that has external power connector than some slower card that draw full power trought PCIe slot.

So this time I give it a try no matter what. At least others from Amiga community will know. Other also do this kind of experiments. We should have some kind of up-to-date compatibility list. Maybe I will start this quest

This card is manufactured in 2022 so probably it has the newest firmware.

@levellord

The result is - this card work just fine in A1222. So the hardware, Radeon driver and OS4 is compatible. It should work then in X5000.

The drivers are:
Warp3D: 53.27 / Nova: 54.16
Radeon RX: 2.11 / HD 3.7

I had to replace PSU to 500W and with 8-pin PCIe power connector. Before I had 300W and only 6-pin PCIe power connector.

Power options are running excellent for this RX card. You can choose:

Low power
High power
Dynamic ( I use this one).

Full 8 GB of GFX RAM is recognized.

From the software POV RadeonRX.chip must be included in kicklayout and after boot it will be automatically recognized. Before I had HD card and also the chip file for HD can be also loaded if I choose to swap the old card. UBoot works from the start with the new RX card. Two big fans only spin once during UBoot and stops. After OS is loaded fans are rotating slow and the card is pleasantly quiet. Even when there is a load on the GFX side - the card is not loud (but that might be only my impression). Before I had Radeon R7 250 from Asus and that one was much louder that this RX580. In fact the card is quiet and it cools down the rest of the Sharcoon Shark zone C10 miniITX tower I have. The performance and high load is best tested on famous Cow3D demo. Then card starts to show its performance and how hot it can be. Then it converts to power hungry, hot and powerfull card. But even then its not loud. The good thing about this card is that there is aluminium protection and cooler of the lower part so no worry about short circuit or cable managements below.

I was thinking about buying XFX RX570 but then I saw 20 EUR difference compared to RX580 so I bought the faster card.

It seems that its better to buy more powerfull card because it will be more quiet during normal load since we have power management.

Of course the performance compared to old Radeon R7 250 is higher and general impression is that it was worth buying.

Soft reset doesnt work but I am used to this since it didnt worked on old HD card. I simply dont use it since complete reboot is very fast anyway.

-dooz

@Arthas

Thanks. Yes - generally I received that same answer also from other users with different RX580. But not this one. I also considered more tested RX550, RX560 or RX570 but the price of this RX580 which is I think the newest model for RX580 is not very much higher than weaker models.

This one is also very power hungry (about 180W) so 500W PSU is recommended. External 8-pin PCI power is needed. If powersave modes are not working this will sound like an jet-plane all the time

I will try to test it and report results. We should really organize an updated list of tested cards. This is of course constant effort since models of radeon cards are changeing so input from users that tested is very important.

I will try this RX580 on A1222 so I guess that will be a new experience also. Lets hope for the best - I can always get back to Radeon R7 250.

Anyone tested XFX AMD radeon RX580 GTS XXX Edition, 8GB GDDR5 on AmigaOS4 with the newsest Radeon drivers?

https://www.xfxforce.com/gpus/amd-rade ... 580-gts-xxx-edition-8gb-4

It is a AMD Polaris 20 XT (GCN 4) graphics processor.

Will it work on A1222/X5000?