Unverified Commit f88b5574 authored by moebiusband73's avatar moebiusband73 Committed by GitHub
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Update README.md

parent 064453b9
......@@ -37,7 +37,7 @@ TAG ?= GCC
OPTIONS = -DSIZE=40000000ull
OPTIONS = -DSIZE=120000000ull
......@@ -47,6 +47,8 @@ OPTIONS += -DARRAY_ALIGNMENT=64
The verbosity options enable detailed output about affinity settings, allocation sizes and timer resolution.
*Notice:* OpenMP involves significant overhead through barrier cost, especially on systems with many memory domains. The default problem size is set to almost 4GB to have enough work vs overhead. If you suspect that the result should be better you may try to further increase the problem size. To compare to original stream results on X86 systems you have to ensure that streaming store instructions are used. For the ICC toolchain this is now the default (Option `-qopt-streaming-stores=always`.
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