- Original Message -
> On Wed, Mar 18, 2015 at 04:52:14PM +, Mathieu Desnoyers wrote:
> > - Original Message -
> > > On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
> > > > memory barriers in reader:1701557485 reads, 3129842 writes
> > > > signal-based
On Wed, Mar 18, 2015 at 04:52:14PM +, Mathieu Desnoyers wrote:
> - Original Message -
> > On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
> > > memory barriers in reader:1701557485 reads, 3129842 writes
> > > signal-based scheme: 9825306874 reads,
- Original Message -
> On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
> > memory barriers in reader:1701557485 reads, 3129842 writes
> > signal-based scheme: 9825306874 reads,5386 writes
> > sys_membarrier: 7992076602 reads, 220 writes
On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
> memory barriers in reader:1701557485 reads, 3129842 writes
> signal-based scheme: 9825306874 reads,5386 writes
> sys_membarrier: 7992076602 reads, 220 writes
>
> The dynamic sys_membarrier
Here is an implementation of a new system call, sys_membarrier(), which
executes a memory barrier on all threads running on the system. It is
implemented by calling synchronize_sched(). It can be used to distribute
the cost of user-space memory barriers asymmetrically by transforming
pairs of
Here is an implementation of a new system call, sys_membarrier(), which
executes a memory barrier on all threads running on the system. It is
implemented by calling synchronize_sched(). It can be used to distribute
the cost of user-space memory barriers asymmetrically by transforming
pairs of
- Original Message -
On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
memory barriers in reader:1701557485 reads, 3129842 writes
signal-based scheme: 9825306874 reads,5386 writes
sys_membarrier: 7992076602 reads, 220 writes
On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
memory barriers in reader:1701557485 reads, 3129842 writes
signal-based scheme: 9825306874 reads,5386 writes
sys_membarrier: 7992076602 reads, 220 writes
The dynamic sys_membarrier
On Wed, Mar 18, 2015 at 04:52:14PM +, Mathieu Desnoyers wrote:
- Original Message -
On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
memory barriers in reader:1701557485 reads, 3129842 writes
signal-based scheme: 9825306874 reads,5386 writes
- Original Message -
On Wed, Mar 18, 2015 at 04:52:14PM +, Mathieu Desnoyers wrote:
- Original Message -
On Wed, Mar 18, 2015 at 12:23:02PM -0400, Mathieu Desnoyers wrote:
memory barriers in reader:1701557485 reads, 3129842 writes
signal-based scheme:
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