I noticed that one frequently executed line in the mainloop is testing
whether either the ticker has dropped to 0 or if there are
things_to_do. Would it be kosher to just drop the ticker to 0 whenever
things_to_do is set to true? Then you'd only need to check the ticker
each time through.
Jeremy
Index: ceval.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Python/ceval.c,v
retrieving revision 2.332
diff -c -c -r2.332 ceval.c
*** ceval.c 23 Aug 2002 14:11:35 -0000 2.332
--- ceval.c 29 Aug 2002 23:19:18 -0000
***************
*** 378,383 ****
--- 378,384 ----
int
Py_AddPendingCall(int (*func)(void *), void *arg)
{
+ PyThreadState *tstate;
static int busy = 0;
int i, j;
/* XXX Begin critical section */
***************
*** 395,400 ****
--- 396,404 ----
pendingcalls[i].func = func;
pendingcalls[i].arg = arg;
pendinglast = j;
+
+ tstate = PyThreadState_GET();
+ tstate->ticker = 0;
things_to_do = 1; /* Signal main loop */
busy = 0;
/* XXX End critical section */
***************
*** 669,675 ****
async I/O handler); see Py_AddPendingCall() and
Py_MakePendingCalls() above. */
! if (things_to_do || --tstate->ticker < 0) {
tstate->ticker = tstate->interp->checkinterval;
if (things_to_do) {
if (Py_MakePendingCalls() < 0) {
--- 673,679 ----
async I/O handler); see Py_AddPendingCall() and
Py_MakePendingCalls() above. */
! if (--tstate->ticker < 0) {
tstate->ticker = tstate->interp->checkinterval;
if (things_to_do) {
if (Py_MakePendingCalls() < 0) {
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