Want to Ca$h in on Bitcoin, BlockChain and Cryptocurrency? Speed up your DDR Memory Accesses

Attention all Bit Coin, Ethereum Miners, Block Chain Fans and Distributed Ledger Technology experts.  Do you REALLY understand the computing limits of your hardware?  These applications are among the most compute intensive applications today.  Like most compute intensive applications DDR Memory is involved. There is some confusion over memory bandwidth versus memory latency.  Latency is the time to first access.  See below examples of a memory subsystem running well below the minimum latency allowed by the JEDEC DDR4 specification for some parameters.  Identifying these bottle necks can dramatically increase your memory access time thus your mining application.  Tuning your system for minimum latencies can add $$ to your crypto wallets. Figure 1:  DDR4 Memory Latencies measured on every clock cycle continuously.  Measurement made by the DDR Detective from FuturePlus Systems Bandwidth on the other hand is the amount of data that can be transferred over a certain time.  This is the Mega Bytes per Second metric.  See below.  This metric is important as it determines the amount of data bandwidth that can be sustained over a longer period of time.  If your latency can be improved this number will also improve. Figure 2:  DDR4 Memory Bandwidth measured on every clock cycle continuously on a per bank per rank basis.  Measurement made by the DDR Detective from FuturePlus Systems If your mining hardware is using the latest DDR4 Memory there is another metric (over DDR3) that needs to be considered.  That is Bank Group tuning.  In DDR4, back to back transactions to the same Bank Group, results in a performance penalty.  Back to back accesses to different Bank Groups is...

Memory Analysis for Bitcoin, Cryptocurrency, Blockchain and other high performance applications

Time is Money!  Get the speed increase your system needs. This Testing is available for DDR4 DIMM/SODIMM or embedded applications (memory down).  This analysis is ideal for any application where memory performance is critical: High Frequency Trading Bitcoin Mining CryptoCurrency Mining DLT or Distributed Ledger Technology BlockChain applications Power Management Data base lookup Image recognition Artificial Intelligence Machine Learning Only available at FuturePlus Systems this unique analysis is done in system, right at the hardware level.  A complete report with the following metrics are part of the service offered. Margin Testing Identifies Key Latency Parameters Command Bus Utilization Analysis Bus Modes Analysis Power Management Analysis Data Bus Utilization Analysis Page Hit Analysis Multiple Open Banks Analysis Bank Group Analysis Bank Utilization Analysis Summary Modes that show performance over long periods of time Margin Testing Identifies Key Latency Parameters Per the JEDEC Specification the distance in time between two transactions on the DDR4 bus cannot be too close together or too far apart.  If the memory controller puts commands too close together the DRAM will not have time to respond and data corruption can occur.  Conversely, if the transactions are too far apart it can mean that the memory controller is inefficient, or a BIOS programming error has occurred.  In any event for Performance you want the latencies to be as short as possible without violating the specification.  The BIOS and the Memory Controller working together read the SPD of the DIMM/SODIMM and determine the correct settings.  In many cases these are not correct due to the large number of possibilities and the differences in various motherboards.  This analysis will...
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