Some information on Icelake performance counters from Intel
https://dyninst.github.io/scalable_tools_workshop/petascale2018/assets/slides/TMA%20addressing%20challenges%20in%20Icelake%20-%20Ahmad%20Yasin.pdf
There are many kinds of speculative execution in modern systems:
- out of order speculation, as in using Tomasulo's algorithm or similar
- conditional instructions at the compiler/ISA level
- conditional execution at a thread level (common in GPUs)
- hardware transactional execution
Even for...
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