search for: writing_policies

Displaying 2 results from an estimated 2 matches for "writing_policies".

2018 Nov 01
3
RFC: System (cache, etc.) model for LLVM
...dled at all. Any architecture that supports big.LITTLE will return 0 on getCacheLineSize(). See AArch64Subtarget::initializeProperties(). > > * write-back / write-through write buffers > > Do you mean for caches, or something else? https://en.wikipedia.org/wiki/Cache_%28computing%29#Writing_policies Basically, with write-though, every store is a non-temporal store (Or temporal stores being a write-through, depending on how to view it) > >> class TargetSoftwarePrefetcherInfo { > >> /// Should we do software prefetching at all? > >> /// > >>...
2018 Nov 01
2
RFC: System (cache, etc.) model for LLVM
Hi, thank you for sharing the system hierarchy model. IMHO it makes a lot of sense, although I don't know which of today's passes would make use of it. Here are my remarks. I am wondering how one could model the following features using this model, or whether they should be part of a performance model at all: * ARM's big.LITTLE * NUMA hierarchies (are the NUMA domains