X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a6b23c846948f7f89277f75e7c42f3942b31b8d3..2114c044f7a785c1c53c0f69d0203fd50c2175d5:/src/smpi/smpi_bench.c diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c index f7b0c26c86..435096d1c7 100644 --- a/src/smpi/smpi_bench.c +++ b/src/smpi/smpi_bench.c @@ -153,7 +153,7 @@ void smpi_execute_(double *duration) } void smpi_execute_flops(double flops) { - smx_action_t action; + smx_synchro_t action; smx_host_t host; host = SIMIX_host_self(); XBT_DEBUG("Handle real computation time: %f flops", flops); @@ -607,23 +607,29 @@ void* smpi_shared_set_call(const char* func, const char* input, void* data) { #define TOPAGE(addr) (void *)(((unsigned long)(addr) / xbt_pagesize) * xbt_pagesize) -/* - * - read the executable data+bss section addresses and sizes - * - for each process create a copy of these sections with mmap - * - store them in a dynar - * +/** Map a given SMPI privatization segment (make a SMPI process active) */ +void smpi_switch_data_segment(int dest){ + if (smpi_loaded_page==dest)//no need to switch either + return; + // So the job: + smpi_really_switch_data_segment(dest); +} -void smpi_switch_data_segment(int dest){ +/** Map a given SMPI privatization segment (make a SMPI process active) + * even if SMPI thinks it is already active + * + * When doing a state restoration, the state of the restored variables + * might not be consistent with the state of the virtual memory. + * In this case, we to change the data segment. + */ +void smpi_really_switch_data_segment(int dest) { if(size_data_exe == 0)//no need to switch return; - if (smpi_loaded_page==dest)//no need to switch either - return; - #ifdef HAVE_MMAP int i; if(smpi_loaded_page==-1){//initial switch, do the copy from the real page here