2017.10.23 14:54, kef rašė:
> Del ilgio tai ne,

Kodel ne - trumpinant sumazeja parazitiniai linijos parametrai.



  bet del laido/jungciu kokybes kodel gi ne. Neatitiko
> kontroline suma, paketas siunciamas vel. Dar IDE laikais tikrino, buvo 
> toks smarto parametras, udma crc error count.
> 
> 
> "Rrr"  wrote in message news:oskieq$p28$1@trimpas.omnitel.net...
> 
> Siaip neturetu turet reiksmes ar 20 cm, ar 50 cm. Be to, cia gi digital
> signalas. Gal kitoje fizineje disko vietoje testas daresi? Nes disko
> pradzioj ir gale greiciai skiriasi.
> 
> 
> On 2017.10.23 13:59, Sniegas wrote:
>> Buvau sujungęs su prie mamos buvusiais laidukais, padariau testą, buvo
>> tokie rezultatai:
>>
>> Sequential Read (Q= 32,T= 1) : 98.804 MB/s
>> Sequential Write (Q= 32,T= 1) : 78.620 MB/s
>> Random Read 4KiB (Q= 32,T= 1) : 0.732 MB/s [ 178.7 IOPS]
>> Random Write 4KiB (Q= 32,T= 1) : 0.958 MB/s [ 233.9 IOPS]
>> Sequential Read (T= 1) : 52.221 MB/s
>> Sequential Write (T= 1) : 60.818 MB/s
>> Random Read 4KiB (Q= 1,T= 1) : 0.167 MB/s [ 40.8 IOPS]
>> Random Write 4KiB (Q= 1,T= 1) : 0.781 MB/s [ 190.7 IOPS]
>>
>> Test : 1024 MiB [D: 96.9% (2707.6/2794.4 GiB)] (x5) [Interval=5 sec]
>> Date : 2017/10/17 17:32:41
>>
>> Nupirkau trumpesnius laidukus, padariau testą, rezultatas kitoks:
>>
>> Sequential Read (Q= 32,T= 1) : 100.450 MB/s
>> Sequential Write (Q= 32,T= 1) : 94.914 MB/s
>> Random Read 4KiB (Q= 32,T= 1) : 0.721 MB/s [ 176.0 IOPS]
>> Random Write 4KiB (Q= 32,T= 1) : 0.993 MB/s [ 242.4 IOPS]
>> Sequential Read (T= 1) : 89.765 MB/s
>> Sequential Write (T= 1) : 101.506 MB/s
>> Random Read 4KiB (Q= 1,T= 1) : 0.278 MB/s [ 67.9 IOPS]
>> Random Write 4KiB (Q= 1,T= 1) : 1.029 MB/s [ 251.2 IOPS]
>>
>> Test : 1024 MiB [D: 97.0% (2709.9/2794.4 GiB)] (x5) [Interval=5 sec]
>> Date : 2017/10/23 13:48:52
>>
>> Matau tik, kad Random Read 4KiB sumažėjo, o visi kiti padidėjo.
>> Laidai turi įtakos? 
>