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Search: Posts Made By: leonardyan96
Forum: Mlucas 2022-07-20, 14:24
Replies: 28
Views: 2,753
Posted By leonardyan96
According to /sys/devices/system/cpu/cpufreq,...

According to /sys/devices/system/cpu/cpufreq, the small cores top at 1.90Ghz and the big cores top at 2.46GHz.
Forum: Mlucas 2022-07-20, 14:07
Replies: 28
Views: 2,753
Posted By leonardyan96
Cell:/ $ cat /proc/cpuinfo Processor :...

Cell:/ $ cat /proc/cpuinfo
Processor : AArch64 Processor rev 4 (aarch64)
processor : 0
BogoMIPS : 38.40
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32
CPU...
Forum: Mlucas 2022-07-20, 14:00
Replies: 28
Views: 2,753
Posted By leonardyan96
All of them are p-1 works in worktodo.ini, not...

All of them are p-1 works in worktodo.ini, not selftests
Running only 1 instance for 4 big cores: M115762417 S1 140ms/iter
Running only 1 instance for 4 small cores: M115762483 S1 230ms/iter
If...
Forum: GPU Computing 2022-07-18, 10:00
Replies: 1
Views: 386
Posted By leonardyan96
Update: Use Task Manager to check if mfakto...

Update:

Use Task Manager to check if mfakto is really working.
Put your mfakto and script outside any folder with restricted access (e.g. C:\{Users,Windows,Program Files,Program Files (x86)})...
Forum: GPU Computing 2022-07-18, 07:45
Replies: 1
Views: 386
Posted By leonardyan96
Lightbulb Running GPU computing silently(in Windows)

I'm using the following steps to startup mfakto automatically in the background every time the computer starts, in a manner similar to prime95:

Create a Visual Basic script (run_mfakto.vbs) and...
Forum: Mlucas 2022-06-15, 11:13
Replies: 28
Views: 2,753
Posted By leonardyan96
I just found, for a Snapdragon 835 the best way...

I just found, for a Snapdragon 835 the best way is using 2 instances. One for big cores and one for small cores. When using -cpu 0:3 or 4:7 the selftest in the middle range can be finished within...
Forum: Mlucas 2022-01-25, 02:00
Replies: 28
Views: 2,753
Posted By leonardyan96
With other parameters remained the same, when...

With other parameters remained the same, when using 4 small cores it uses ~370% of CPU and about 3 min 42 sec, while it's ~390% of CPU and about 1 min 31 sec when 4 big cores(with setaffinity...
Forum: Mlucas 2022-01-25, 00:18
Replies: 28
Views: 2,753
Posted By leonardyan96
At least the stock ROM of my phone doesn't have...

At least the stock ROM of my phone doesn't have this. Smartphone manufacturers in China tend to put some "gaming mode" or "performance mode" in their products, but I'm not sure if they change the...
Forum: Mlucas 2022-01-24, 12:25
Replies: 28
Views: 2,753
Posted By leonardyan96
You get it right. core_ctl is a kernel module...

You get it right. core_ctl is a kernel module which dynamically isolates/unisolates cores according to CPU load. Isolated cored can't be used by progresses, so it won't be woke up, saving energy. My...
Forum: Mlucas 2022-01-23, 12:22
Replies: 28
Views: 2,753
Posted By leonardyan96
EUREKA!

The core control mechanism, developed by Qualcomm, is the most possible reason of not being able to use all cores.
I checked /sys/devices/system/cpu/core_ctl_isolated via ADB, which seems to contain...
Forum: Mlucas 2022-01-14, 09:24
Replies: 28
Views: 2,753
Posted By leonardyan96
/dev/cpuset, the pid of Mlucas as well as CPU...

/dev/cpuset, the pid of Mlucas as well as CPU restriction info in /proc/<mlucas pid>/status can all be obtained via ADB. I'm doing some more investigation though doesn't seem very hopeful:confused:
...
Forum: Mlucas 2022-01-14, 03:53
Replies: 28
Views: 2,753
Posted By leonardyan96
From manpage 2 sched_setaffinity: I...

From manpage 2 sched_setaffinity:


I guess, when I specify '-cpu 0:7', Mlucas creates 8 threads, then uses sched_setaffinity to set affinity of only one core for each thread. When a thread hits...
Forum: Mlucas 2022-01-11, 23:54
Replies: 28
Views: 2,753
Posted By leonardyan96
On that phone I mentioned before, which use a...

On that phone I mentioned before, which use a MediaTek SoC, all 8 cores are always avaliable. I have never seen such warning in ordinary pm1 runs.
Forum: Mlucas 2022-01-11, 23:49
Replies: 28
Views: 2,753
Posted By leonardyan96
-cpu 0:7 will also cause this warning.

-cpu 0:7 will also cause this warning.
Forum: Mlucas 2022-01-11, 02:46
Replies: 28
Views: 2,753
Posted By leonardyan96
Just did another test on my daily phone with...

Just did another test on my daily phone with Snapdragon 835. It has 8 cores, among which little cores are 0-3 and big cores are 4-7.
The little cores can all be safely specified without any warning....
Forum: Mlucas 2022-01-11, 01:33
Replies: 28
Views: 2,753
Posted By leonardyan96
CPU numbers in it looks normal, from 0 to 7. I...

CPU numbers in it looks normal, from 0 to 7.
I tried taskset yet doesn't work.

I'm going to give up, since I'm not able to root it or flash a custom ROM, and I'm not planning to run Mlucas on it...
Forum: Mlucas 2022-01-11, 01:22
Replies: 28
Views: 2,753
Posted By leonardyan96
Selftest just finished. In mlucas.cfg the timings...

Selftest just finished. In mlucas.cfg the timings look bad, from 2000 to 7000 ms/iter. Seems that it failed to utilize all the cores.
Forum: Mlucas 2022-01-10, 23:27
Replies: 28
Views: 2,753
Posted By leonardyan96
IMO if there's only 2 cores shown in...

IMO if there's only 2 cores shown in /proc/cpuinfo, Mlucas will report 2 cores too, instead of 8.

I'll check this later.
Forum: Mlucas 2022-01-10, 14:35
Replies: 28
Views: 2,753
Posted By leonardyan96
According to what I found with some more tests,...

According to what I found with some more tests, when I specify any cpu cores other than 2 and 3 the error message will appear. When -cpu 2, -cpu 3 or -cpu 2:3 the screen output gets clean. It might...
Forum: Mlucas 2022-01-10, 14:17
Replies: 28
Views: 2,753
Posted By leonardyan96
After some search I learned this is a function...

After some search I learned this is a function provided by the Linux environment. I tried the following command, it successfully finished and that message still appeared twice.
./Mlucas -fft 192...
Forum: Mlucas 2022-01-10, 12:53
Replies: 28
Views: 2,753
Posted By leonardyan96
These lines also appear when running...

These lines also appear when running single-threaded (omitting -cpu flags).
Forum: Mlucas 2022-01-10, 12:45
Replies: 28
Views: 2,753
Posted By leonardyan96
Question "sched_setaffinity: Invalid argument"?

I'm trying to run Mlucas on a Huawei Matepad pro 10.5" 2021, with Harmony OS 2.0.0(runs Android apps but said to be not Android), Snapdragon 870 and 8GiB RAM. I'm using all 8 cores and running...
Forum: Mlucas 2021-12-26, 14:13
Replies: 11
Views: 1,951
Posted By leonardyan96
Mine has its back cover off because it's a simple...

Mine has its back cover off because it's a simple plastic one without any special cooling design. It's just a damn low-cost product. Also, in my Helio P22 not all cores run at 2GHz. 4 of them only...
Forum: Mlucas 2021-12-25, 02:05
Replies: 11
Views: 1,951
Posted By leonardyan96
The SoC of mine doesn't seem to produce a lot of...

The SoC of mine doesn't seem to produce a lot of heat. There isn't any visible thermal throttling since all cores keep running in their highest freq when running Mlucas, and the back of my phone...
Forum: Mlucas 2021-12-25, 01:54
Replies: 11
Views: 1,951
Posted By leonardyan96
It's a LAVA (an Indian brand) LE9820 featuring a...

It's a LAVA (an Indian brand) LE9820 featuring a MediaTek Helio P22 (MT6762V). I bought this second-hand phone for 450CNY (~70USD), then used it for half a year. Its build quality is so terrible that...
Showing results 1 to 25 of 47

 
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