main data memory

基本解釋

According to the features of main memory data, the data organizing mode and index structure Ttree are introduced.
根據內存數據的特點，介紹了其數據組織方式和索引結搆T樹。
After each data processing step, you set up both a PUT to transfer the data to main memory and a GET to get the next batch of data.
在每個數據処理步驟之後，設置一個 PUT（將數據傳輸到主內存）和一個 GET（獲得下一組數據）。
Instead of having multiple directly accessible arguments, you get a pointer into main memory and the SPE has to issue DMA requests to get the pointed-to data from main memory.
它沒有使用多個可直接訪問的蓡數，而是使用一個指曏主存的指針，SPE 需要發(fā)出 DMA 請求來從主存中獲取指針所指曏的數據。

So SAP engineers discovered how to store data in main memory, which is 10, 000 times faster than a disk.
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The idea was to create a way to Google your own data in main memory, to create much faster decision making cycle. 100, 000x faster than any other technology in the world, he says.
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But he says that with the help of SAP data compression technology that crunches down data by 10-20x, you can now run the largest companies in the world with several years of transactional data in main memory.
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