On Mon, 01 Dec 2014 18:38:34 +0100 Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > > On 01/12/2014 18:29, Igor Mammedov wrote: > > Series speed-ups GFN to memslot lookup time by: > > * introducing LRU cache, which improves looukup time for > > same slot workload (typically boot time of Windows and Linux guest) > > * switching to binary search for GFN to memslot lookup, > > improving lookup time with large amount of memory slots > > > > Igor Mammedov (5): > > kvm: update_memslots: drop not needed check for the same number of > > pages > > kvm: update_memslots: drop not needed check for the same slot > > kvm: search_memslots: add simple LRU memslot caching > > kvm: change memslot sorting rule from size to GFN > > kvm: optimize GFN to memslot lookup with large slots amount > > > > include/linux/kvm_host.h | 28 +++++++++++++++++++++++----- > > virt/kvm/kvm_main.c | 46 ++++++++++++++++++++++++++-------------------- > > 2 files changed, 49 insertions(+), 25 deletions(-) > > > > Applied patches 1-3 for now, I'm not in the mood for proving that the > binary search is correct. :) Following write up could help with improving a proving mood :) http://community.topcoder.com/tc?module=Static&d1=tutorials&d2=binarySearch > > Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html