On 13Nov2019 1954, Larry Hastings wrote:
On 11/13/19 5:52 AM, Victor Stinner wrote:
Le mer. 13 nov. 2019 à 14:28, Larry Hastings a écrit :
I did exactly that in the Gilectomy prototype. Pulling it out of TLS was too
slow,
What do you mean? Getting tstate from a TLS was a performance
bottle
On Thu, Nov 14, 2019, at 07:43, Antoine Pitrou wrote:
> On Wed, 13 Nov 2019 14:52:32 +0100
> Victor Stinner wrote:
> >
> > #define _PyRuntimeState_GetThreadState(runtime) \
> >
> > ((PyThreadState*)_Py_atomic_load_relaxed(&(runtime)->gilstate.tstate_current))
> > #define _PyThreadState_GET()
On Wed, 13 Nov 2019 14:52:32 +0100
Victor Stinner wrote:
>
> #define _PyRuntimeState_GetThreadState(runtime) \
>
> ((PyThreadState*)_Py_atomic_load_relaxed(&(runtime)->gilstate.tstate_current))
> #define _PyThreadState_GET() _PyRuntimeState_GetThreadState(&_PyRuntime)
>
> _PyThreadState_GET
Le jeu. 14 nov. 2019 à 04:55, Larry Hastings a écrit :
> I'm pretty sure you understand the sentence "Pulling it out of TLS was too
> slow". At the time CPython used the POSIX APIs for accessing thread local
> storage, and I didn't know about and therefore did not try this "__thread"
> GCC ext
