Unverified Commit 072bda51 authored by moebiusband73's avatar moebiusband73 Committed by GitHub
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Update README.md

parent f88b5574
...@@ -47,7 +47,7 @@ OPTIONS += -DARRAY_ALIGNMENT=64 ...@@ -47,7 +47,7 @@ OPTIONS += -DARRAY_ALIGNMENT=64
The verbosity options enable detailed output about affinity settings, allocation sizes and timer resolution. 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`. *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`).
2. Build with: 2. Build with:
``` ```
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