LCOV - code coverage report
Current view: top level - src/datawizard - footprint.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 19 28 67.9 %
Date: 2013-05-22 Functions: 2 3 66.7 %
Branches: 10 16 62.5 %

           Branch data     Line data    Source code
       1                 :            : /* StarPU --- Runtime system for heterogeneous multicore architectures.
       2                 :            :  *
       3                 :            :  * Copyright (C) 2009, 2010-2011, 2013  Université de Bordeaux 1
       4                 :            :  * Copyright (C) 2010, 2011, 2012, 2013  Centre National de la Recherche Scientifique
       5                 :            :  *
       6                 :            :  * StarPU is free software; you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU Lesser General Public License as published by
       8                 :            :  * the Free Software Foundation; either version 2.1 of the License, or (at
       9                 :            :  * your option) any later version.
      10                 :            :  *
      11                 :            :  * StarPU is distributed in the hope that it will be useful, but
      12                 :            :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
      14                 :            :  *
      15                 :            :  * See the GNU Lesser General Public License in COPYING.LGPL for more details.
      16                 :            :  */
      17                 :            : 
      18                 :            : #include <datawizard/footprint.h>
      19                 :            : #include <starpu_hash.h>
      20                 :            : #include <core/task.h>
      21                 :            : 
      22                 :     254259 : uint32_t _starpu_compute_buffers_footprint(struct starpu_perfmodel *model, enum starpu_perf_archtype arch, unsigned nimpl, struct _starpu_job *j)
      23                 :            : {
      24         [ +  + ]:     254259 :         if (j->footprint_is_computed)
      25                 :     221061 :                 return j->footprint;
      26                 :            : 
      27                 :      33198 :         uint32_t footprint = 0;
      28                 :            :         unsigned buffer;
      29                 :            : 
      30                 :      33198 :         struct starpu_task *task = j->task;
      31                 :            : 
      32 [ +  - ][ -  + ]:      33198 :         if (model && model->per_arch[arch][nimpl].size_base)
      33                 :          0 :         {
      34                 :          0 :                 size_t size = model->per_arch[arch][nimpl].size_base(task, arch, nimpl);
      35                 :          0 :                 footprint = starpu_crc32_be_n(&size, sizeof(size), footprint);
      36                 :            :         }
      37 [ +  - ][ -  + ]:      33198 :         else if (model && model->size_base)
      38                 :          0 :         {
      39                 :          0 :                 size_t size = model->size_base(task, nimpl);
      40                 :          0 :                 footprint = starpu_crc32_be_n(&size, sizeof(size), footprint);
      41                 :            :         }
      42                 :            :         else
      43                 :            :         {
      44         [ +  + ]:      73888 :                 for (buffer = 0; buffer < task->cl->nbuffers; buffer++)
      45                 :            :                 {
      46         [ -  + ]:      40690 :                         starpu_data_handle_t handle = STARPU_TASK_GET_HANDLE(task, buffer);
      47                 :            : 
      48                 :      40690 :                         uint32_t handle_footprint = _starpu_data_get_footprint(handle);
      49                 :            : 
      50                 :      40690 :                         footprint = starpu_crc32_be(handle_footprint, footprint);
      51                 :            :                 }
      52                 :            :         }
      53                 :            : 
      54                 :      33198 :         j->footprint = footprint;
      55                 :      33198 :         j->footprint_is_computed = 1;
      56                 :            : 
      57                 :     254259 :         return footprint;
      58                 :            : }
      59                 :            : 
      60                 :      72227 : uint32_t _starpu_compute_data_footprint(starpu_data_handle_t handle)
      61                 :            : {
      62                 :      72227 :         uint32_t interfaceid = (uint32_t)starpu_handle_get_interface_id(handle);
      63                 :            : 
      64         [ -  + ]:      72212 :         STARPU_ASSERT(handle->ops->footprint);
      65                 :            : 
      66                 :      72212 :         uint32_t handle_footprint = handle->ops->footprint(handle);
      67                 :            : 
      68                 :      72215 :         return starpu_crc32_be(handle_footprint, interfaceid);
      69                 :            : }
      70                 :            : 
      71                 :          0 : uint32_t starpu_task_footprint(struct starpu_perfmodel *model, struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
      72                 :            : {
      73                 :          0 :         struct _starpu_job *j = _starpu_get_job_associated_to_task(task);
      74                 :          0 :         return _starpu_compute_buffers_footprint(model, arch, nimpl, j);
      75                 :            : }

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