I use the callgrind_annotate to analyze the source . but there are some
question in my mind.
3987 . ^M
3988 . static ret_status GF_mem_core_2(const UINT8 *guided_Img,
INT32 width, INT32 height, INT32 radius, UINT32 eps, INT8 scale_eps, UINT8*
out_Img,^M
3989 . INT32 stride_G, INT32 stride_O, UINT16* out_mean_a,
UINT16* out_mean_b)^M
3990 58 {^M
3991 66 if (!guided_Img || radius > width / 2 || radius >
height / 2)^M
3992 . {^M
3993 . ALGLOGE("Parameters Error!");^M
3994 . return retStsParameterInvalid;^M
3995 . }^M
3996 . ^M
3997 12 UINT8 filter_w = (radius << 1) + 1;^M
3998 12 UINT16 sum_count = filter_w*filter_w;^M
3999 . ^M
4000 4 const int scale_left = 10;^M
4001 . ^M
4002 4 const int scale_ab = 10;^M
4003 . ^M
4004 4 int scale_tmp = 4;^M
4005 6 if (filter_w <= 31)^M
4006 . {^M
4007 20 scale_tmp = 4;^M ///It mean how many instructions
in this line. But I do not known what it mean for the number 7,631,025,535 in
the next line? can you show me some tips.
4008 7,631,025,535 =>
/cloud/jmaster/ndk_wwj/00.Trunk/Beauty_cmd/core/build/ndk/jni/../../../source/guidedfilter.cpp:GF_mem_core_2(unsigned
char const*, int, int, int, uns igned int, signed char, unsigned char*,
int, int, unsigned short*, unsigned short*)'2 (2x)
4009 . }^M
4010 . else if (filter_w > 31 && filter_w <= 37)^M
4011 . {^M
4012 . scale_tmp = 5;^M
4013 . }^M
4014 . else//up to 45^M
4015 . {^M
4016 . scale_tmp = 6;^M
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