1 files changed, 66 insertions, 1 deletions
diff --git a/native/src/defines.h b/native/src/defines.h
index 73394ce36..71aaf28ae 100644
--- a/native/src/defines.h
+++ b/native/src/defines.h
@@ -24,23 +24,88 @@
 #define LOG_TAG "LatinIME: "
 #endif
 #define DEBUG_DICT true
-#define DEBUG_DICT_FULL true
+#define DEBUG_DICT_FULL false
 #define DEBUG_SHOW_FOUND_WORD DEBUG_DICT_FULL
 #define DEBUG_NODE DEBUG_DICT_FULL
 #define DEBUG_TRACE DEBUG_DICT_FULL
+
+// Profiler
+#include <time.h>
+#define PROF_BUF_SIZE 100
+static double profile_buf[PROF_BUF_SIZE];
+static double profile_old[PROF_BUF_SIZE];
+static unsigned int profile_counter[PROF_BUF_SIZE];
+
+#define PROF_RESET               prof_reset()
+#define PROF_COUNT(prof_buf_id)  ++profile_counter[prof_buf_id]
+#define PROF_OPEN                do { PROF_RESET; PROF_START(PROF_BUF_SIZE - 1); } while(0)
+#define PROF_START(prof_buf_id)  do { \
+        PROF_COUNT(prof_buf_id); profile_old[prof_buf_id] = (clock()); } while(0)
+#define PROF_CLOSE               do { PROF_END(PROF_BUF_SIZE - 1); PROF_OUTALL; } while(0)
+#define PROF_END(prof_buf_id)    profile_buf[prof_buf_id] += ((clock()) - profile_old[prof_buf_id])
+#define PROF_CLOCKOUT(prof_buf_id) \
+        LOGI("%s : clock is %f", __FUNCTION__, (clock() - profile_old[prof_buf_id]))
+#define PROF_OUTALL              do { LOGI("--- %s ---", __FUNCTION__); prof_out(); } while(0)
+
+static void prof_reset(void) {
+    for (int i = 0; i < PROF_BUF_SIZE; ++i) {
+        profile_buf[i] = 0;
+        profile_old[i] = 0;
+        profile_counter[i] = 0;
+    }
+}
+
+static void prof_out(void) {
+    if (profile_counter[PROF_BUF_SIZE - 1] != 1) {
+        LOGI("Error: You must call PROF_OPEN before PROF_CLOSE.");
+    }
+    LOGI("Total time is %6.3f ms.",
+            profile_buf[PROF_BUF_SIZE - 1] * 1000 / (double)CLOCKS_PER_SEC);
+    double all = 0;
+    for (int i = 0; i < PROF_BUF_SIZE - 1; ++i) {
+        all += profile_buf[i];
+    }
+    if (all == 0) all = 1;
+    for (int i = 0; i < PROF_BUF_SIZE - 1; ++i) {
+        if (profile_buf[i] != 0) {
+            LOGI("(%d): Used %4.2f%%, %8.4f ms. Called %d times.",
+                    i, (profile_buf[i] * 100 / all),
+                    profile_buf[i] * 1000 / (double)CLOCKS_PER_SEC, profile_counter[i]);
+        }
+    }
+}
+
 #else // FLAG_DBG
+#define LOGE
 #define LOGI
 #define DEBUG_DICT false
 #define DEBUG_DICT_FULL false
 #define DEBUG_SHOW_FOUND_WORD false
 #define DEBUG_NODE false
 #define DEBUG_TRACE false
+
+#define PROF_BUF_SIZE 0
+#define PROF_RESET
+#define PROF_COUNT(prof_buf_id)
+#define PROF_OPEN
+#define PROF_START(prof_buf_id)
+#define PROF_CLOSE
+#define PROF_END(prof_buf_id)
+#define PROF_CLOCK_OUT(prof_buf_id)
+#define PROF_CLOCKOUT(prof_buf_id)
+#define PROF_OUTALL
+
 #endif // FLAG_DBG
 
 #ifndef U_SHORT_MAX
 #define U_SHORT_MAX 1 << 16
 #endif
 
+// Define this to use mmap() for dictionary loading.  Undefine to use malloc() instead of mmap().
+// We measured and compared performance of both, and found mmap() is fairly good in terms of
+// loading time, and acceptable even for several initial lookups which involve page faults.
+#define USE_MMAP_FOR_DICTIONARY
+
 // 22-bit address = ~4MB dictionary size limit, which on average would be about 200k-300k words
 #define ADDRESS_MASK 0x3FFFFF