Forum Discussion

Chuck33's avatar
Chuck33
Icon for New Contributor rankNew Contributor
5 years ago
Solved

Intel / Altera DK-DEV-1SDX-P-A Memory access latency

Hi,

The Intel/Altera DK-DEV-1SDX-P-A development board has the capability to support Intel Optane memory DIMMs. Could you please tell me what is the Optane memory access latency comparison of the following scenario?

1. CPU->PCIe->FPGA MC->Optane

2. CPU->MC->Optane

Thank you in advance.

  • BoonT_Intel's avatar
    BoonT_Intel
    5 years ago

    Hi Sir,

    The Optane memory IP (DDR-T) document is not publish and it is provided per request basis. Thus, you must contact your local sales representative to get further information for it.

    From a very high level, I can tell you that the latency for DDR-T is slight worst compare to normal DIMM like DDR4 as the DDR-T offering higher capacity.

    And also, for a system level as below, by right user has to do the simulation to determine the latency.

    1. CPU->PCIe->FPGA MC->Optane

    2. CPU->MC->Optane

    I am so sorry for the inconvenience caused.


1 Reply

  • BoonT_Intel's avatar
    BoonT_Intel
    Icon for Frequent Contributor rankFrequent Contributor
    5 years ago

    Hi Sir,

    The Optane memory IP (DDR-T) document is not publish and it is provided per request basis. Thus, you must contact your local sales representative to get further information for it.

    From a very high level, I can tell you that the latency for DDR-T is slight worst compare to normal DIMM like DDR4 as the DDR-T offering higher capacity.

    And also, for a system level as below, by right user has to do the simulation to determine the latency.

    1. CPU->PCIe->FPGA MC->Optane

    2. CPU->MC->Optane

    I am so sorry for the inconvenience caused.