Remove unused stats in PQFastScan (#180) (#184)

Signed-off-by: chasingegg <[email protected]>
zilliztech · Nov 7, 2023 · d707556 · d707556
1 parent f4c1757
commit d707556
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diff --git a/thirdparty/faiss/faiss/IndexIVFPQFastScan.h b/thirdparty/faiss/faiss/IndexIVFPQFastScan.h
@@ -230,25 +230,4 @@ struct IndexIVFPQFastScan : IndexIVF {
             const BitsetView bitset = nullptr) const;
 };
 
-struct IVFFastScanStats {
-    uint64_t times[10];
-    uint64_t t_compute_distance_tables, t_round;
-    uint64_t t_copy_pack, t_scan, t_to_flat;
-    uint64_t reservoir_times[4];
-
-    double Mcy_at(int i) {
-        return times[i] / (1000 * 1000.0);
-    }
-
-    double Mcy_reservoir_at(int i) {
-        return reservoir_times[i] / (1000 * 1000.0);
-    }
-    IVFFastScanStats() {
-        reset();
-    }
-    void reset() {
-        memset(this, 0, sizeof(*this));
-    }
-};
-
 } // namespace faiss
diff --git a/thirdparty/faiss/faiss/IndexPQFastScan.cpp b/thirdparty/faiss/faiss/IndexPQFastScan.cpp
@@ -408,16 +408,9 @@ void IndexPQFastScan::search_implem_12(
         if (!(skip & 8)) {
             handler.to_flat_arrays(distances, labels, normalizers.get());
         }
-
-        FastScan_stats.t0 += handler.times[0];
-        FastScan_stats.t1 += handler.times[1];
-        FastScan_stats.t2 += handler.times[2];
-        FastScan_stats.t3 += handler.times[3];
     }
 }
 
-FastScanStats FastScan_stats;
-
 template <class C>
 void IndexPQFastScan::search_implem_14(
         idx_t n,

diff --git a/thirdparty/faiss/faiss/IndexPQFastScan.h b/thirdparty/faiss/faiss/IndexPQFastScan.h
@@ -111,16 +111,4 @@ struct IndexPQFastScan : Index {
             int impl) const;
 };
 
-struct FastScanStats {
-    uint64_t t0, t1, t2, t3;
-    FastScanStats() {
-        reset();
-    }
-    void reset() {
-        memset(this, 0, sizeof(*this));
-    }
-};
-
-FAISS_API extern FastScanStats FastScan_stats;
-
 } // namespace faiss