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- /* StarPU --- Runtime system for heterogeneous multicore architectures.
- *
- * Copyright (C) 2009, 2010 Université de Bordeaux 1
- * Copyright (C) 2010, 2011 Centre National de la Recherche Scientifique
- *
- * StarPU is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * StarPU is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * See the GNU Lesser General Public License in COPYING.LGPL for more details.
- */
- #include <starpu.h>
- #include <datawizard/datastats.h>
- #include <datawizard/coherency.h>
- #include <common/config.h>
- #ifdef STARPU_DATA_STATS
- /* measure the cache hit ratio for each node */
- static unsigned hit_cnt[STARPU_MAXNODES];
- static unsigned miss_cnt[STARPU_MAXNODES];
- #endif
- void _starpu_msi_cache_hit(unsigned node __attribute__ ((unused)))
- {
- #ifdef STARPU_DATA_STATS
- hit_cnt[node]++;
- #endif
- }
- void _starpu_msi_cache_miss(unsigned node __attribute__ ((unused)))
- {
- #ifdef STARPU_DATA_STATS
- miss_cnt[node]++;
- #endif
- }
- void _starpu_display_msi_stats(void)
- {
- #ifdef STARPU_DATA_STATS
- unsigned node;
- unsigned total_hit_cnt = 0;
- unsigned total_miss_cnt = 0;
- fprintf(stderr, "MSI cache stats :\n");
- for (node = 0; node < STARPU_MAXNODES; node++)
- {
- total_hit_cnt += hit_cnt[node];
- total_miss_cnt += miss_cnt[node];
- }
- fprintf(stderr, "TOTAL MSI stats\thit %u (%2.2f \%%)\tmiss %u (%2.2f \%%)\n", total_hit_cnt, (100.0f*total_hit_cnt)/(total_hit_cnt+total_miss_cnt), total_miss_cnt, (100.0f*total_miss_cnt)/(total_hit_cnt+total_miss_cnt));
- for (node = 0; node < STARPU_MAXNODES; node++)
- {
- if (hit_cnt[node]+miss_cnt[node])
- {
- fprintf(stderr, "memory node %d\n", node);
- fprintf(stderr, "\thit : %u (%2.2f \%%)\n", hit_cnt[node], (100.0f*hit_cnt[node])/(hit_cnt[node]+miss_cnt[node]));
- fprintf(stderr, "\tmiss : %u (%2.2f \%%)\n", miss_cnt[node], (100.0f*miss_cnt[node])/(hit_cnt[node]+miss_cnt[node]));
- }
- }
- #endif
- }
- /* measure the efficiency of our allocation cache */
- #ifdef STARPU_DATA_STATS
- static unsigned alloc_cnt[STARPU_MAXNODES];
- static unsigned alloc_cache_hit_cnt[STARPU_MAXNODES];
- #endif
- void _starpu_allocation_cache_hit(unsigned node __attribute__ ((unused)))
- {
- #ifdef STARPU_DATA_STATS
- alloc_cache_hit_cnt[node]++;
- #endif
- }
- void _starpu_data_allocation_inc_stats(unsigned node __attribute__ ((unused)))
- {
- #ifdef STARPU_DATA_STATS
- alloc_cnt[node]++;
- #endif
- }
- void _starpu_display_alloc_cache_stats(void)
- {
- #ifdef STARPU_DATA_STATS
- fprintf(stderr, "Allocation cache stats:\n");
- unsigned node;
- for (node = 0; node < STARPU_MAXNODES; node++)
- {
- if (alloc_cnt[node])
- {
- fprintf(stderr, "memory node %d\n", node);
- fprintf(stderr, "\ttotal alloc : %u\n", alloc_cnt[node]);
- fprintf(stderr, "\tcached alloc: %u (%2.2f \%%)\n",
- alloc_cache_hit_cnt[node], (100.0f*alloc_cache_hit_cnt[node])/(alloc_cnt[node]));
- }
- }
- #endif
- }
- /* measure the amount of data transfers between each pair of nodes */
- #ifdef STARPU_DATA_STATS
- static size_t comm_amount[STARPU_MAXNODES][STARPU_MAXNODES];
- #endif /* STARPU_DATA_STATS */
- void _starpu_comm_amounts_inc(unsigned src __attribute__ ((unused)), unsigned dst __attribute__ ((unused)), size_t size __attribute__ ((unused)))
- {
- #ifdef STARPU_DATA_STATS
- comm_amount[src][dst] += size;
- #endif /* STARPU_DATA_STATS */
- }
- void _starpu_display_comm_amounts(void)
- {
- #ifdef STARPU_DATA_STATS
- unsigned src, dst;
- size_t sum = 0;
- for (dst = 0; dst < STARPU_MAXNODES; dst++)
- for (src = 0; src < STARPU_MAXNODES; src++)
- {
- sum += comm_amount[src][dst];
- sum += comm_amount[dst][src];
- }
- fprintf(stderr, "\nData transfers stats:\nTOTAL transfers %f MB\n", (float)sum/1024/1024);
- for (dst = 0; dst < STARPU_MAXNODES; dst++)
- for (src = dst + 1; src < STARPU_MAXNODES; src++)
- {
- if (comm_amount[src][dst])
- fprintf(stderr, "\t%d <-> %d\t%f MB\n\t\t%d -> %d\t%f MB\n\t\t%d -> %d\t%f MB\n",
- src, dst, ((float)comm_amount[src][dst] + (float)comm_amount[dst][src])/(1024*1024),
- src, dst, ((float)comm_amount[src][dst])/(1024*1024),
- dst, src, ((float)comm_amount[dst][src])/(1024*1024));
- }
- #endif
- }
- #ifdef STARPU_MEMORY_STATUS
- void _starpu_display_data_stats(void)
- {
- unsigned node;
- for (node = 0; node < STARPU_MAXNODES; node++)
- {
- _starpu_display_data_stats_by_node(node);
- }
- }
- void _starpu_display_data_handle_stats(starpu_data_handle_t handle)
- {
- unsigned node;
- fprintf(stderr, "#-----\n");
- fprintf(stderr, "Data : %p\n", handle);
- fprintf(stderr, "Size : %d\n", (int)handle->data_size);
- fprintf(stderr, "\n");
- fprintf(stderr, "#--\n");
- fprintf(stderr, "Data access stats\n");
- fprintf(stderr, "/!\\ Work Underway\n");
- for (node = 0; node < STARPU_MAXNODES; node++)
- {
- if (handle->stats_direct_access[node]+handle->stats_loaded_shared[node]
- +handle->stats_invalidated[node]+handle->stats_loaded_owner[node])
- {
- fprintf(stderr, "Node #%d\n", node);
- fprintf(stderr, "\tDirect access : %d\n", handle->stats_direct_access[node]);
- /* XXX Not Working yet. */
- if (handle->stats_shared_to_owner[node])
- fprintf(stderr, "\t\tShared to Owner : %d\n", handle->stats_shared_to_owner[node]);
- fprintf(stderr, "\tLoaded (Owner) : %d\n", handle->stats_loaded_owner[node]);
- fprintf(stderr, "\tLoaded (Shared) : %d\n", handle->stats_loaded_shared[node]);
- fprintf(stderr, "\tInvalidated (was Owner) : %d\n\n", handle->stats_invalidated[node]);
- }
- }
- }
- void _starpu_handle_stats_cache_hit(starpu_data_handle_t handle, unsigned node)
- {
- handle->stats_direct_access[node]++;
- }
- void _starpu_handle_stats_loaded_shared(starpu_data_handle_t handle, unsigned node)
- {
- handle->stats_loaded_shared[node]++;
- }
- void _starpu_handle_stats_loaded_owner(starpu_data_handle_t handle, unsigned node)
- {
- handle->stats_loaded_owner[node]++;
- }
- void _starpu_handle_stats_shared_to_owner(starpu_data_handle_t handle, unsigned node)
- {
- handle->stats_shared_to_owner[node]++;
- }
- void _starpu_handle_stats_invalidated(starpu_data_handle_t handle, unsigned node)
- {
- handle->stats_invalidated[node]++;
- }
- #endif
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