Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On 1/3/2024 5:14 PM, Lipeng Zhu wrote: On 2023/12/21 19:42, Thomas Schwinge wrote: Hi! On 2023-12-13T21:52:29+0100, I wrote: On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: On 2023/12/12 1:45, H.J. Lu wrote: On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: On 2023/12/9 23:23,

Re: RE: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/21 19:42, Thomas Schwinge wrote: Hi! On 2023-12-13T21:52:29+0100, I wrote: On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: On 2023/12/12 1:45, H.J. Lu wrote: On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: On 2023/12/9 23:23, Jakub Jelinek wrote: On Sat, Dec 09, 2023 at

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

: [PATCH v7] libgfortran: Replace mutex with rwlock On 15/12/2023 11:31, Lipeng Zhu wrote: On 2023/12/14 23:50, Richard Earnshaw (lists) wrote: On 09/12/2023 15:39, Lipeng Zhu wrote: This patch try to introduce the rwlock and split the read/write to unit_root tree and unit_cache with rwlock instead

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

Subject: Re: [PATCH v7] libgfortran: Replace mutex with rwlock On 15/12/2023 11:31, Lipeng Zhu wrote: > > > On 2023/12/14 23:50, Richard Earnshaw (lists) wrote: >> On 09/12/2023 15:39, Lipeng Zhu wrote: >>> This patch try to introduce the rwlock and split the read/wri

Re: RE: [PATCH v7] libgfortran: Replace mutex with rwlock

Hi Thomas, On 2023/12/21 19:42, Thomas Schwinge wrote: Hi! On 2023-12-13T21:52:29+0100, I wrote: On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: On 2023/12/12 1:45, H.J. Lu wrote: On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: On 2023/12/9 23:23, Jakub Jelinek wrote: On Sat, Dec

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

Hi! On 2023-12-13T21:52:29+0100, I wrote: > On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: >> On 2023/12/12 1:45, H.J. Lu wrote: >>> On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: >>> > On 2023/12/9 23:23, Jakub Jelinek wrote: >>> > > On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On 15/12/2023 11:31, Lipeng Zhu wrote: On 2023/12/14 23:50, Richard Earnshaw (lists) wrote: On 09/12/2023 15:39, Lipeng Zhu wrote: This patch try to introduce the rwlock and split the read/write to unit_root tree and unit_cache with rwlock instead of the mutex to increase CPU efficiency.

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/14 23:50, Richard Earnshaw (lists) wrote: On 09/12/2023 15:39, Lipeng Zhu wrote: This patch try to introduce the rwlock and split the read/write to unit_root tree and unit_cache with rwlock instead of the mutex to increase CPU efficiency. In the get_gfc_unit function, the

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/14 20:39, Jakub Jelinek wrote: > On Thu, Dec 14, 2023 at 01:29:01PM +0100, Thomas Schwinge wrote: >>> Sure, I will look into that. >>> >>> BTW, I didn’t have the PowerPC in hands, do you mind granting the access of >>> your >>> test environment to me to help reproduce the issue? >> >>

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On 09/12/2023 15:39, Lipeng Zhu wrote: > This patch try to introduce the rwlock and split the read/write to > unit_root tree and unit_cache with rwlock instead of the mutex to > increase CPU efficiency. In the get_gfc_unit function, the percentage > to step into the insert_unit function is around

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On Thu, Dec 14, 2023 at 01:29:01PM +0100, Thomas Schwinge wrote: > > Sure, I will look into that. > > > > BTW, I didn’t have the PowerPC in hands, do you mind granting the access of > > your > > test environment to me to help reproduce the issue? > > That's unfortunately not possible: it's

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

Hi, Thomas Schwinge wrote:   On 2023-12-14T02:28:22+, "Zhu, Lipeng" wrote: On 2023/12/14 4:52, Thomas Schwinge wrote: >> I've just filed >

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

Hi Lipeng! On 2023-12-14T02:28:22+, "Zhu, Lipeng" wrote: > On 2023/12/14 4:52, Thomas Schwinge wrote: >> On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: >> > On 2023/12/12 1:45, H.J. Lu wrote: >> >> On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng >> wrote: >> >> > On 2023/12/9 23:23, Jakub

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/14 4:52, Thomas Schwinge wrote: > Hi Lipeng! > > On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: > > On 2023/12/12 1:45, H.J. Lu wrote: > >> On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng > wrote: > >> > On 2023/12/9 23:23, Jakub Jelinek wrote: > >> > > On Sat, Dec 09, 2023 at

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

Hi Lipeng! On 2023-12-12T02:05:26+, "Zhu, Lipeng" wrote: > On 2023/12/12 1:45, H.J. Lu wrote: >> On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: >> > On 2023/12/9 23:23, Jakub Jelinek wrote: >> > > On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu wrote: >> > > > This patch try to

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/12 1:45, H.J. Lu wrote: > On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: > > > > On 2023/12/9 23:23, Jakub Jelinek wrote: > > > On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu wrote: > > > > This patch try to introduce the rwlock and split the read/write to > > > > unit_root

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On Sat, Dec 9, 2023 at 7:25 PM Zhu, Lipeng wrote: > > On 2023/12/9 23:23, Jakub Jelinek wrote: > > On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu wrote: > > > This patch try to introduce the rwlock and split the read/write to > > > unit_root tree and unit_cache with rwlock instead of the

RE: [PATCH v7] libgfortran: Replace mutex with rwlock

On 2023/12/9 23:23, Jakub Jelinek wrote: > On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu wrote: > > This patch try to introduce the rwlock and split the read/write to > > unit_root tree and unit_cache with rwlock instead of the mutex to > > increase CPU efficiency. In the get_gfc_unit

Re: [PATCH v7] libgfortran: Replace mutex with rwlock

On Sat, Dec 09, 2023 at 10:39:45AM -0500, Lipeng Zhu wrote: > This patch try to introduce the rwlock and split the read/write to > unit_root tree and unit_cache with rwlock instead of the mutex to > increase CPU efficiency. In the get_gfc_unit function, the percentage > to step into the