ggreg84

6 ms·

1. 31.▲
   by ggreg84 5y ago

   > No they don't. An exception that isn't thrown costs nothing. Wait whaaat? When every expression can throw anything, the compiler and the user both loose the ability to reason about code locally. They change any function from
2. 32.▲
   by ggreg84 5y ago

   link?
3. 33.▲
   by ggreg84 5y ago

   And Anandtech doesn't allow anyone to reproduce their results, and their readers are their product, so...
4. 34.▲
   by ggreg84 5y ago

   Virginia Tech Stream, stock, with OMP_NUM_THREADS set to number of cores (these don't have SMT), clang-12 compiler using -O3 -fopenmp -DNDEBUG. > Arm does have an advantage As I said, claiming that the theoretical peak of a CPU can
5. 35.▲
   by ggreg84 5y ago

   > This is called "peak" bandwidth, as is a never to exceed number. This is the peak bandwidth of DDR4, saying that would be fine. AMD claims that this is the theoretical peak bandwidth of their CPU, not of DDR4, yet their CPUs
6. 36.▲
   by ggreg84 5y ago

   I bet AMD itself is not able to get even close to the 204 GB/s bandwidth that they "promise" for these CPUs. AMD instructions for measuring peak bandwidth are here: https://developer.amd.com/spack/stream-