Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL

2024-04-09 Thread Gregory Price
On Mon, Apr 08, 2024 at 10:41:04PM +0900, Honggyu Kim wrote: > Hi Gregory, > > On Fri, 5 Apr 2024 12:56:14 -0400 Gregory Price > wrote: > > Do you have test results which enable only DAMOS_MIGRATE_COLD actions > > but not DAMOS_MIGRATE_HOT actions? (and vice versa) > > > > The question I have

Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL

2024-04-09 Thread Honggyu Kim
On Mon, 8 Apr 2024 22:41:04 +0900 Honggyu Kim wrote: [...] > To explain this, I better share more test results. In the section of > "Evaluation Workload", the test sequence can be summarized as follows. > > *. "Turn on DAMON." > 1. Allocate cold memory(mmap+memset) at DRAM node, then make

Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL

2024-04-08 Thread Honggyu Kim
Hi Gregory, On Fri, 5 Apr 2024 12:56:14 -0400 Gregory Price wrote: > On Fri, Apr 05, 2024 at 03:08:49PM +0900, Honggyu Kim wrote: > > There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously > > posted at [1]. > > > > 1. YCSB zipfian distribution read only workload > >

Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL memory

2024-04-08 Thread Honggyu Kim
Hi SeongJae, On Fri, 5 Apr 2024 12:28:00 -0700 SeongJae Park wrote: > Hello Honggyu, > > On Fri, 5 Apr 2024 15:08:49 +0900 Honggyu Kim wrote: > > > There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously > > posted at [1]. > > > > It says there is no implementation of the

Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL memory

2024-04-05 Thread SeongJae Park
Hello Honggyu, On Fri, 5 Apr 2024 15:08:49 +0900 Honggyu Kim wrote: > There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously > posted at [1]. > > It says there is no implementation of the demote/promote DAMOS action > are made. This RFC is about its implementation for

Re: [RFC PATCH v3 0/7] DAMON based tiered memory management for CXL memory

2024-04-05 Thread Gregory Price
On Fri, Apr 05, 2024 at 03:08:49PM +0900, Honggyu Kim wrote: > There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously > posted at [1]. > > 1. YCSB zipfian distribution read only workload > memory pressure with cold memory on node0 with 512GB of local DRAM. >

[RFC PATCH v3 0/7] DAMON based tiered memory management for CXL memory

2024-04-05 Thread Honggyu Kim
There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously posted at [1]. It says there is no implementation of the demote/promote DAMOS action are made. This RFC is about its implementation for physical address space. Changes from RFC v2: 1. Rename DAMOS_{PROMOTE,DEMOTE}