Exemple #1
0
void
SortWriter_Add_Inverted_Doc_IMP(SortWriter *self, Inverter *inverter,
                                int32_t doc_id) {
    SortWriterIVARS *const ivars = SortWriter_IVARS(self);
    int32_t field_num;

    Inverter_Iterate(inverter);
    while (0 != (field_num = Inverter_Next(inverter))) {
        FieldType *type = Inverter_Get_Type(inverter);
        if (FType_Sortable(type)) {
            SortFieldWriter *field_writer
                = S_lazy_init_field_writer(self, field_num);
            SortFieldWriter_Add(field_writer, doc_id,
                                Inverter_Get_Value(inverter));
        }
    }

    // If our SortFieldWriters have collectively passed the memory threshold,
    // flush all of them, then reset the counter which tracks memory
    // consumption.
    if ((size_t)Counter_Get_Value(ivars->counter) > ivars->mem_thresh) {
        for (size_t i = 0; i < Vec_Get_Size(ivars->field_writers); i++) {
            SortFieldWriter *const field_writer
                = (SortFieldWriter*)Vec_Fetch(ivars->field_writers, i);
            if (field_writer) { SortFieldWriter_Flush(field_writer); }
        }
        Counter_Reset(ivars->counter);
        ivars->flush_at_finish = true;
    }
}
Exemple #2
0
void
SortWriter_add_inverted_doc(SortWriter *self, Inverter *inverter,
                            int32_t doc_id) {
    SortWriterIVARS *const ivars = SortWriter_IVARS(self);
    int32_t field_num;

    Inverter_Iterate(inverter);
    while (0 != (field_num = Inverter_Next(inverter))) {
        FieldType *type = Inverter_Get_Type(inverter);
        if (FType_Sortable(type)) {
            SortFieldWriter *field_writer
                = S_lazy_init_field_writer(self, field_num);
            SortFieldWriter_Add(field_writer, doc_id,
                                Inverter_Get_Value(inverter));
        }
    }

    // If our SortFieldWriters have collectively passed the memory threshold,
    // flush all of them, then release all unique values with a single action.
    if (MemPool_Get_Consumed(ivars->mem_pool) > ivars->mem_thresh) {
        for (uint32_t i = 0; i < VA_Get_Size(ivars->field_writers); i++) {
            SortFieldWriter *const field_writer
                = (SortFieldWriter*)VA_Fetch(ivars->field_writers, i);
            if (field_writer) { SortFieldWriter_Flush(field_writer); }
        }
        MemPool_Release_All(ivars->mem_pool);
        ivars->flush_at_finish = true;
    }
}
uint32_t
SortFieldWriter_Refill_IMP(SortFieldWriter *self) {
    SortFieldWriterIVARS *const ivars = SortFieldWriter_IVARS(self);
    if (!ivars->sort_cache) { return 0; }

    // Sanity check, then reset the buffer and prepare to start loading items.
    uint32_t buf_count = SortFieldWriter_Buffer_Count(self);
    if (buf_count) {
        THROW(ERR, "Refill called but buffer contains %u32 items",
              buf_count);
    }
    SortFieldWriter_Clear_Buffer(self);
    Counter_Reset(ivars->counter);
    S_lazy_init_sorted_ids(self);

    const int32_t    null_ord   = ivars->null_ord;
    I32Array *const  doc_map    = ivars->doc_map;
    SortCache *const sort_cache = ivars->sort_cache;

    uint32_t count = 0;
    while (ivars->run_tick <= ivars->run_max
           && Counter_Get_Value(ivars->counter) < ivars->mem_thresh
          ) {
        int32_t raw_doc_id = ivars->sorted_ids[ivars->run_tick];
        int32_t ord = SortCache_Ordinal(sort_cache, raw_doc_id);
        if (ord != null_ord) {
            int32_t remapped = doc_map
                               ? I32Arr_Get(doc_map, raw_doc_id)
                               : raw_doc_id;
            if (remapped) {
                Obj *val = SortCache_Value(sort_cache, ord);
                SortFieldWriter_Add(self, remapped, val);
                count++;
                DECREF(val);
            }
        }
        ivars->run_tick++;
    }

    if (ivars->run_tick > ivars->run_max) {
        DECREF(ivars->sort_cache);
        ivars->sort_cache = NULL;
        FREEMEM(ivars->sorted_ids);
        ivars->sorted_ids = NULL;
    }

    return count;
}