Rodrigo Arias
5a940540d3
A priority queue (in heap.h) is used to keep the next event ready in the emulator loop. Additionally, a list of dirty channels is keept to limit the complexity of the propagation and emit phases.
104 lines
1.9 KiB
C
104 lines
1.9 KiB
C
#include <assert.h>
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#include "uthash.h"
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#include "ovni.h"
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#include "ovni_trace.h"
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#include "emu.h"
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#include "prv.h"
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#include "chan.h"
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/* --------------------------- init ------------------------------- */
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void
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hook_init_openmp(struct ovni_emu *emu)
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{
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struct ovni_ethread *th;
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struct ovni_cpu *cpu;
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size_t i;
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int row;
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FILE *prv_th, *prv_cpu;
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int64_t *clock;
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struct ovni_chan **uth, **ucpu;
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clock = &emu->delta_time;
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prv_th = emu->prv_thread;
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prv_cpu = emu->prv_cpu;
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/* Init the channels in all threads */
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for(i=0; i<emu->total_nthreads; i++)
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{
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th = emu->global_thread[i];
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row = th->gindex + 1;
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uth = &emu->th_chan;
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chan_th_init(th, uth, CHAN_OPENMP_MODE, CHAN_TRACK_TH_RUNNING, 0, 0, 1, row, prv_th, clock);
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}
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/* Init the channels in all cpus */
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for(i=0; i<emu->total_ncpus; i++)
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{
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cpu = emu->global_cpu[i];
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row = cpu->gindex + 1;
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ucpu = &emu->cpu_chan;
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chan_cpu_init(cpu, ucpu, CHAN_OPENMP_MODE, CHAN_TRACK_TH_RUNNING, row, prv_cpu, clock);
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}
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}
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/* --------------------------- pre ------------------------------- */
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static void
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pre_task(struct ovni_emu *emu)
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{
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struct ovni_ethread *th;
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th = emu->cur_thread;
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switch(emu->cur_ev->header.value)
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{
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case '[':
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chan_push(&th->chan[CHAN_OPENMP_MODE], ST_OPENMP_TASK);
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break;
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case ']':
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chan_pop(&th->chan[CHAN_OPENMP_MODE], ST_OPENMP_TASK);
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break;
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default:
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abort();
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}
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}
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static void
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pre_barrier(struct ovni_emu *emu)
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{
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struct ovni_ethread *th;
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th = emu->cur_thread;
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switch(emu->cur_ev->header.value)
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{
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case '[':
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chan_push(&th->chan[CHAN_OPENMP_MODE], ST_OPENMP_PARALLEL);
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break;
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case ']':
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chan_pop(&th->chan[CHAN_OPENMP_MODE], ST_OPENMP_PARALLEL);
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break;
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default:
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abort();
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}
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}
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void
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hook_pre_openmp(struct ovni_emu *emu)
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{
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assert(emu->cur_ev->header.model == 'M');
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switch(emu->cur_ev->header.category)
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{
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case 'T': pre_task(emu); break;
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case 'P': pre_barrier(emu); break;
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default:
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break;
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}
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}
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