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[zypp-commit] <sat-solver> master : - look at repo/medianr when ordering the transaction
  • From: Michael Schroeder <mls@xxxxxxx>
  • Date: Tue, 9 Jun 2009 17:41:50 +0200
  • Message-id: <E1ME3Su-00050n-RU@xxxxxxxxxxxxxxxx>
ref: refs/heads/master
commit 0efe93ebb07236cb5d4e175c1954aa7d3a28e298
Author: Michael Schroeder <mls@xxxxxxx>
Date: Tue Jun 9 17:41:50 2009 +0200

- look at repo/medianr when ordering the transaction
---
src/transaction.c | 91 ++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 73 insertions(+), 18 deletions(-)

diff --git a/src/transaction.c b/src/transaction.c
index 996f8a5..a07ef8e 100644
--- a/src/transaction.c
+++ b/src/transaction.c
@@ -1120,11 +1120,14 @@ transaction_order(Transaction *trans, int flags)
int i, j, k, numte, numedge;
struct orderdata od;
struct _TransactionElement *te;
- Queue todo, obsq;
+ Queue todo, obsq, samerepoq, uninstq;
int cycstart, cycel;
Id *cycle, *obstypes;
int oldcount;
int start, now;
+ Repo *lastrepo;
+ int lastmedia;
+ Id *temedianr;

start = now = sat_timems(0);
POOL_DEBUG(SAT_DEBUG_STATS, "ordering transaction\n");
@@ -1330,10 +1333,19 @@ transaction_order(Transaction *trans, int flags)
for (i = 1, te = od.tes + i; i < numte; i++, te++)
for (j = te->edges; od.invedgedata[j]; j++)
od.tes[od.invedgedata[j]].mark++;
+
+ queue_init(&samerepoq);
+ queue_init(&uninstq);
+ queue_empty(&todo);
for (i = 1, te = od.tes + i; i < numte; i++, te++)
if (te->mark == 0)
- queue_push(&todo, i);
- assert(todo.count > 0);
+ {
+ if (installed && pool->solvables[te->p].repo == installed)
+ queue_push(&uninstq, i);
+ else
+ queue_push(&todo, i);
+ }
+ assert(todo.count > 0 || uninstq.count > 0);
if (installed)
{
obstypes = sat_calloc(installed->end - installed->start, sizeof(Id));
@@ -1349,28 +1361,63 @@ transaction_order(Transaction *trans, int flags)
obstypes = 0;
oldcount = tr->count;
queue_empty(tr);
+
queue_init(&obsq);

- while (todo.count)
+ lastrepo = 0;
+ lastmedia = 0;
+ temedianr = sat_calloc(numte, sizeof(Id));
+ for (i = 1; i < numte; i++)
+ {
+ Solvable *s = pool->solvables + od.tes[i].p;
+ if (installed && s->repo == installed)
+ j = 1;
+ else
+ j = solvable_lookup_num(s, SOLVABLE_MEDIANR, 1);
+ temedianr[i] = j;
+ }
+ for (;;)
{
- /* select an i */
- i = todo.count;
- if (installed)
+ /* select an TE i */
+ if (uninstq.count)
+ i = queue_shift(&uninstq);
+ else if (samerepoq.count)
+ i = queue_shift(&samerepoq);
+ else if (todo.count)
{
- for (i = 0; i < todo.count; i++)
+ /* find next repo/media */
+ for (j = 0; j < todo.count; j++)
{
- j = todo.elements[i];
- if (pool->solvables[od.tes[j].p].repo == installed)
- break;
+ if (!j || temedianr[todo.elements[j]] < lastmedia)
+ {
+ i = j;
+ lastmedia = temedianr[todo.elements[j]];
+ }
}
+ lastrepo = pool->solvables[od.tes[todo.elements[i]].p].repo;
+
+ /* move all matching TEs to samerepoq */
+ for (i = j = 0; j < todo.count; j++)
+ {
+ int k = todo.elements[j];
+ if (temedianr[k] == lastmedia &&
pool->solvables[od.tes[k].p].repo == lastrepo)
+ queue_push(&samerepoq, k);
+ else
+ todo.elements[i++] = k;
+ }
+ todo.count = i;
+
+ assert(samerepoq.count);
+ i = queue_shift(&samerepoq);
}
- if (i == todo.count)
- i = 0;
- te = od.tes + todo.elements[i];
+ else
+ break;
+
+ te = od.tes + i;
queue_push(tr, te->type);
queue_push(tr, te->p);
#if 0
-printf("do %s\n", solvid2str(pool, te->p));
+printf("do %s [%d]\n", solvid2str(pool, te->p), temedianr[i]);
#endif
s = pool->solvables + te->p;
if (installed && s->repo != installed)
@@ -1389,22 +1436,30 @@ printf("do %s\n", solvid2str(pool, te->p));
}
}
}
- queue_delete(&todo, i);
for (j = te->edges; od.invedgedata[j]; j++)
{
struct _TransactionElement *te2 = od.tes + od.invedgedata[j];
assert(te2->mark > 0);
if (--te2->mark == 0)
{
- queue_push(&todo, od.invedgedata[j]);
+ Solvable *s = pool->solvables + te2->p;
#if 0
-printf("free %s\n", solvid2str(pool, od.tes[od.invedgedata[j]].p));
+printf("free %s [%d]\n", solvid2str(pool, te2->p),
temedianr[od.invedgedata[j]]);
#endif
+ if (installed && s->repo == installed)
+ queue_push(&uninstq, od.invedgedata[j]);
+ else if (s->repo == lastrepo && temedianr[od.invedgedata[j]] ==
lastmedia)
+ queue_push(&samerepoq, od.invedgedata[j]);
+ else
+ queue_push(&todo, od.invedgedata[j]);
}
}
}
sat_free(obstypes);
+ sat_free(temedianr);
queue_free(&todo);
+ queue_free(&samerepoq);
+ queue_free(&uninstq);
queue_free(&obsq);
for (i = 1, te = od.tes + i; i < numte; i++, te++)
assert(te->mark == 0);
--
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