search for: stojanov

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2020 Jan 16
2
[llvm-exegesis]?==?utf-8?q? [RFC] Renaming Uops- classes
Since the option of running -mode=inverse_throughput was added to llvm-exegesis the names of classes like UopsSnippetGenerator and UopsBenchmarkRunner, that this mode shares with uops, started to be less descriptive. Inverse_throughput doesn't use the uops counters, so for example, the instruction layout shared between these two modes is really connected to parallelism, not uops. It's
2019 Dec 17
2
[llvm-exegesis] Uops mode isnćt working
Hello, I've been testing llvm-exegesis on X86. Latency and inverse_throughput modes work fine but when I run uops I get an error: event not found - cannot create event uops_dispatched_port:port_0 LLVM ERROR: invalid perf event 'uops_dispatched_port:port_0' I'm running this on a i7-4790K. Am I missing something on my computer or is this not yet fully implemented? This also