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Arm Shows Off Great Performance Results For PGO & BOLT With LLVM/Clang
Arm software engineer Peter Waller has shared some insightful benchmarks of the impact of PGO, Context Sensitive PGO (CSPGO), and BOLT optimizations across various classes of Neoverse processor designs.
Arm software engineer Peter Waller has shared some insightful benchmarks of the impact of PGO, Context Sensitive PGO (CSPGO), and BOLT optimizations across various classes of Neoverse processor designs. Indeed some very nice speed-ups from leveraging PGO and BOLT compiler optimizations across Neoverse N1 / N2 / V1 / V2. PGO and BOLT can be very beneficial for increasing the performance but do rely on having accurate profiles/traces so the compiler can make informed choices.
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