X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSparks.c;h=1a839ab315a2aee1d53b7c44322417e9a0de282c;hb=27de38efce6d73d2a0209f803cfa98c82773e773;hp=2ebe5f66f18366bbf22ebac7bd9167aa0afa6f4e;hpb=313734473b419f55ee39d2df442f93a49b709aa4;p=ghc-hetmet.git diff --git a/rts/Sparks.c b/rts/Sparks.c index 2ebe5f6..1a839ab 100644 --- a/rts/Sparks.c +++ b/rts/Sparks.c @@ -102,74 +102,6 @@ findSpark (Capability *cap) } /* ----------------------------------------------------------------------------- - * Mark all nodes pointed to by sparks in the spark queues (for GC) Does an - * implicit slide i.e. after marking all sparks are at the beginning of the - * spark pool and the spark pool only contains sparkable closures - * -------------------------------------------------------------------------- */ - -void -markSparkQueue (evac_fn evac, Capability *cap) -{ - StgClosure **sparkp, **to_sparkp; - nat n, pruned_sparks; // stats only - StgSparkPool *pool; - - PAR_TICKY_MARK_SPARK_QUEUE_START(); - - n = 0; - pruned_sparks = 0; - - pool = &(cap->r.rSparks); - - ASSERT_SPARK_POOL_INVARIANTS(pool); - -#if defined(PARALLEL_HASKELL) - // stats only - n = 0; - pruned_sparks = 0; -#endif - - sparkp = pool->hd; - to_sparkp = pool->hd; - while (sparkp != pool->tl) { - ASSERT(*sparkp!=NULL); - ASSERT(LOOKS_LIKE_CLOSURE_PTR(((StgClosure *)*sparkp))); - // ToDo?: statistics gathering here (also for GUM!) - if (closure_SHOULD_SPARK(*sparkp)) { - evac(sparkp); - *to_sparkp++ = *sparkp; - if (to_sparkp == pool->lim) { - to_sparkp = pool->base; - } - n++; - } else { - pruned_sparks++; - } - sparkp++; - if (sparkp == pool->lim) { - sparkp = pool->base; - } - } - pool->tl = to_sparkp; - - PAR_TICKY_MARK_SPARK_QUEUE_END(n); - -#if defined(PARALLEL_HASKELL) - debugTrace(DEBUG_sched, - "marked %d sparks and pruned %d sparks on [%x]", - n, pruned_sparks, mytid); -#else - debugTrace(DEBUG_sched, - "marked %d sparks and pruned %d sparks", - n, pruned_sparks); -#endif - - debugTrace(DEBUG_sched, - "new spark queue len=%d; (hd=%p; tl=%p)\n", - sparkPoolSize(pool), pool->hd, pool->tl); -} - -/* ----------------------------------------------------------------------------- * * Turn a spark into a real thread * @@ -230,6 +162,80 @@ newSpark (StgRegTable *reg, StgClosure *p) return 1; } +/* ----------------------------------------------------------------------------- + * Mark all nodes pointed to by sparks in the spark queues (for GC) Does an + * implicit slide i.e. after marking all sparks are at the beginning of the + * spark pool and the spark pool only contains sparkable closures + * -------------------------------------------------------------------------- */ + +void +markSparkQueue (evac_fn evac, void *user, Capability *cap) +{ + StgClosure *spark, **sparkp, **to_sparkp; + nat n, pruned_sparks; // stats only + StgSparkPool *pool; + + PAR_TICKY_MARK_SPARK_QUEUE_START(); + + n = 0; + pruned_sparks = 0; + + pool = &(cap->r.rSparks); + + ASSERT_SPARK_POOL_INVARIANTS(pool); + + sparkp = pool->hd; + to_sparkp = pool->hd; + while (sparkp != pool->tl) { + ASSERT(*sparkp!=NULL); + ASSERT(LOOKS_LIKE_CLOSURE_PTR(((StgClosure *)*sparkp))); + // ToDo?: statistics gathering here (also for GUM!) + evac(user,sparkp); + spark = *sparkp; + if (!closure_SHOULD_SPARK(spark)) { + pruned_sparks++; + } else{ + *to_sparkp++ = spark; + if (to_sparkp == pool->lim) { + to_sparkp = pool->base; + } + n++; + } + sparkp++; + if (sparkp == pool->lim) { + sparkp = pool->base; + } + } + pool->tl = to_sparkp; + + PAR_TICKY_MARK_SPARK_QUEUE_END(n); + + debugTrace(DEBUG_sched, + "marked %d sparks, pruned %d sparks", + n, pruned_sparks); + + debugTrace(DEBUG_sched, + "new spark queue len=%d; (hd=%p; tl=%p)", + sparkPoolSize(pool), pool->hd, pool->tl); +} + +void +traverseSparkQueue (evac_fn evac, void *user, Capability *cap) +{ + StgClosure **sparkp; + StgSparkPool *pool; + + pool = &(cap->r.rSparks); + sparkp = pool->hd; + while (sparkp != pool->tl) { + evac(sparkp, user); + sparkp++; + if (sparkp == pool->lim) { + sparkp = pool->base; + } + } +} + #else StgInt @@ -239,6 +245,7 @@ newSpark (StgRegTable *reg STG_UNUSED, StgClosure *p STG_UNUSED) return 1; } + #endif /* PARALLEL_HASKELL || THREADED_RTS */