Hashing atd tags for low-overhead safe contention monitoring

HIGHLIGHTS

• What: The authors focus on shared cache contention. The authors propose HashTAG, a low-overhead hardware mechanism that accurately upper-bounds the amount of inter-core evictions that create interference in critical applications, facilitating the implementation of low-overhead cache safeguards. That is, even if the authors implement a hardware or software feature that mitigates an interference channel, confirming that the interference channel has been removed or properly controlled is still necessary. The authors propose the "HashTAG" mechanism as an alternative to set sampling to significantly reduce ATD size while providing the additional but fundamental guarantee that . . .
  

   

  

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