From: Nitin Gupta
Date: Mon, 2 Nov 2015 16:30:24 -0500
> Orabug: 21896119
>
> Use machine descriptor (MD) to get node latency
> values instead of just using default values.
>
> Testing:
> On an T5-8 system with:
> - total nodes = 8
> - self latencies = 0x26d18
> - latency to other nodes = 0
Orabug: 21896119
Use machine descriptor (MD) to get node latency
values instead of just using default values.
Testing:
On an T5-8 system with:
- total nodes = 8
- self latencies = 0x26d18
- latency to other nodes = 0x3a598
=> latency ratio = ~1.5
output of numactl --hardware
- before fix
On 10/29/2015 11:50 AM, Sam Ravnborg wrote:
Small nit.
diff --git a/arch/sparc/include/asm/topology_64.h
b/arch/sparc/include/asm/topology_64.h
index 01d1704..ed3dfdd 100644
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -31,6 +31,9 @@ static inline in
Small nit.
> diff --git a/arch/sparc/include/asm/topology_64.h
> b/arch/sparc/include/asm/topology_64.h
> index 01d1704..ed3dfdd 100644
> --- a/arch/sparc/include/asm/topology_64.h
> +++ b/arch/sparc/include/asm/topology_64.h
> @@ -31,6 +31,9 @@ static inline int pcibus_to_node(struct pci_bus *pb
Orabug: 21896119
Use machine descriptor (MD) to get node latency
values instead of just using default values.
Testing:
On an T5-8 system with:
- total nodes = 8
- self latencies = 0x26d18
- latency to other nodes = 0x3a598
=> latency ratio = ~1.5
output of numactl --hardware
- before fix
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