'이론 관련/컴퓨터 관련'에 해당되는 글 84건

  1. 2020.10.26 NMEA 포맷
  2. 2020.09.25 NUMA, SMP
  3. 2020.09.18 파일 스토리지, 블록 스토리지, 오브젝트 스토리지
  4. 2020.09.18 lustre file system
  5. 2020.09.08 smmu?
  6. 2020.09.07 zmmu gen-z
  7. 2020.01.20 async와 non block
  8. 2019.12.15 EAV - Entitiy Attribute Value
  9. 2019.12.11 ETL - Extract Transform Load
  10. 2019.11.02 SAS expander
이론 관련/컴퓨터 관련2020. 10. 26. 10:35

NMEA 포맷

NMEA로 검색하니 GPS raw 데이터를 받을수 있는 어플들이 있어서

회사 옥상 한바퀴 돌면서 저장하고 간략하게 분석중

[링크 : https://ko.wikipedia.org/wiki/NMEA]

[링크 : https://drkein.tistory.com/113]

[링크 : https://blog.naver.com/ds3bou/150080669053]

 

   $GPBOD - Bearing, origin to destination
   $GPBWC - Bearing and distance to waypoint, great circle
   $GPGGA - Global Positioning System Fix Data
   $GPGLL - Geographic position, latitude / longitude
   $GPGSA - GPS DOP and active satellites 
   $GPGSV - GPS Satellites in view
   $GPHDT - Heading, True
   $GPR00 - List of waypoints in currently active route
   $GPRMA - Recommended minimum specific Loran-C data
   $GPRMB - Recommended minimum navigation info
   $GPRMC - Recommended minimum specific GPS/Transit data
   $GPRTE - Routes
   $GPTRF - Transit Fix Data
   $GPSTN - Multiple Data ID
   $GPVBW - Dual Ground / Water Speed
   $GPVTG - Track made good and ground speed
   $GPWPL - Waypoint location
   $GPXTE - Cross-track error, Measured
   $GPZDA - Date & Time

[링크 : http://aprs.gids.nl/nmea/]

 

$GPGGA 가 위치 정보로 얼마나 자주 읽냐를 설정을 해주어야 겠지만 갤럭시 S7에서는 1초에 1번으로 해둔듯.

1걸음에 1초 해서 약 10걸음 걷고 저장하고 반복했는데 10~12번 정도 나타난다.

 

위성항법으로 GPS / GLONASS / Beidou(나무위키에만) 가능하다고 되어있는데

그래서 그런가 GP 외에도 GL(글로나스?) BD(베이두) 로 시작하는 녀석들이 보이긴한다.

[링크 : https://www.cnet.com/products/samsung-galaxy-s7/specs/]

[링크 : https://namu.wiki/w/갤럭시%20S7]

 

일단 내가 원하는건 GPS 정보니까 $GP 로 시작하는 것 들 중에 위치 정보인 $GPGGA 를 찾으면 된다~ 라는 것

$GPGGA,011454.00,3724.078285,N,12659.413105,E,1,24,0.4,73.9,M,18.4,M,,*52
$PGLOR,9,STA,011454.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3002212,LC,,,*51
$GPGSV,3,1,12,02,80,021,37,05,61,296,34,06,39,110,36,13,31,191,36*78
$GPGSV,3,2,12,29,23,317,34,09,20,043,30,07,17,083,32,30,16,112,37*75
$GPGSV,3,3,12,19,14,165,38,12,04,242,,15,04,214,,25,03,275,*7E
$GLGSV,2,1,06,83,85,102,25,68,73,347,33,69,41,237,40,82,35,146,36*6A
$GLGSV,2,2,06,84,30,329,,67,26,035,32*66
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,29,234,57,297,33,206,40,185,29,211,34,315,31*64
$BDGSV,4,2,16,209,15,197,28,236,01,084,,212,76,234,,221,72,272,*6F
$BDGSV,4,3,16,213,56,323,,222,47,044,,203,45,207,,201,42,153,*6F
$BDGSV,4,4,16,204,35,133,,216,34,189,,205,09,257,,235,08,151,*6B
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.1,1.2,1.8*36
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.1,1.2,1.8*28
$GNGSA,A,3,67,68,69,82,83,,,,,,,,2.1,1.2,1.8*24
$QZGSA,A,3,01,03,,,,,,,,,,,2.1,1.2,1.8*25
$IMGSA,A,3,,,,,,,,,,,,,2.1,1.2,1.8*28
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.1,1.2,1.8*18
$GAGSA,A,3,,,,,,,,,,,,,2.1,1.2,1.8*2A
$GPRMC,011454.00,A,3724.078285,N,12659.413105,E,000.8,272.4,261020,,,A*5E
$GPGGA,011455.00,3724.078378,N,12659.413101,E,1,25,0.4,74.3,M,18.4,M,,*58
$PGLOR,9,STA,011455.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3003212,LC,,,*51
$GPGSV,3,1,12,02,80,021,36,05,61,296,33,06,39,110,35,13,31,191,39*72
$GPGSV,3,2,12,29,23,317,34,09,20,043,30,07,17,083,31,30,16,112,39*78
$GPGSV,3,3,12,19,14,165,38,12,04,242,,15,04,214,,25,03,275,*7E
$GLGSV,2,1,06,83,85,102,26,68,73,347,33,69,41,237,40,82,35,146,36*69
$GLGSV,2,2,06,84,30,329,22,67,26,035,31*65
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,28,234,57,297,32,206,40,185,29,211,34,315,30*65
$BDGSV,4,2,16,209,15,197,28,212,76,234,,221,72,272,,213,56,323,*64
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.1,1.6,2.6*3E
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.1,1.6,2.6*20
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.1,1.6,2.6*20
$QZGSA,A,3,01,03,,,,,,,,,,,3.1,1.6,2.6*2D
$IMGSA,A,3,,,,,,,,,,,,,3.1,1.6,2.6*20
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.1,1.6,2.6*10
$GAGSA,A,3,,,,,,,,,,,,,3.1,1.6,2.6*22
$GPRMC,011455.00,A,3724.078378,N,12659.413101,E,000.6,272.4,261020,,,A*56
$GPGGA,011456.00,3724.078715,N,12659.412713,E,1,25,0.4,74.7,M,18.4,M,,*54
$PGLOR,9,STA,011456.00,0.008,0.000,-484,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3004212,LC,,,*54
$GPGSV,3,1,12,02,80,021,36,05,61,296,33,06,39,110,35,13,31,191,39*72
$GPGSV,3,2,12,29,23,317,33,09,20,043,29,07,17,083,31,30,16,112,38*76
$GPGSV,3,3,12,19,14,165,37,12,04,242,,15,04,214,,25,03,275,*71
$GLGSV,2,1,06,83,85,103,26,68,73,347,32,69,41,237,39,82,35,146,36*67
$GLGSV,2,2,06,84,30,329,21,67,26,035,30*67
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,27,234,57,297,31,206,40,185,29,211,34,315,29*61
$BDGSV,4,2,16,209,15,197,30,212,76,234,,221,72,272,,213,56,323,*6D
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.6,1.9,3.1*30
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.6,1.9,3.1*2E
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.6,1.9,3.1*2E
$QZGSA,A,3,01,03,,,,,,,,,,,3.6,1.9,3.1*23
$IMGSA,A,3,,,,,,,,,,,,,3.6,1.9,3.1*2E
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.6,1.9,3.1*1E
$GAGSA,A,3,,,,,,,,,,,,,3.6,1.9,3.1*2C
$GPRMC,011456.00,A,3724.078715,N,12659.412713,E,001.0,251.0,261020,,,A*5C
$GPGGA,011457.00,3724.078559,N,12659.412683,E,1,24,0.4,75.1,M,18.4,M,,*51
$PGLOR,9,STA,011457.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3005212,LC,,,*55
$GPGSV,3,1,12,02,80,021,36,05,61,296,32,06,39,110,35,13,31,191,39*73
$GPGSV,3,2,12,29,23,317,32,09,20,043,28,07,17,083,31,30,16,112,38*76
$GPGSV,3,3,12,19,14,165,37,12,04,242,,15,04,214,,25,03,275,*71
$GLGSV,2,1,06,83,85,103,26,68,73,347,32,69,41,237,39,82,35,146,35*64
$GLGSV,2,2,06,84,30,329,,67,26,035,29*6C
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,27,234,57,297,30,206,40,185,29,211,34,315,29*60
$BDGSV,4,2,16,209,15,197,30,212,76,234,,221,72,272,,213,56,323,*6D
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.5,1.5,2.0*3E
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.5,1.5,2.0*20
$GNGSA,A,3,67,68,69,82,83,,,,,,,,2.5,1.5,2.0*2C
$QZGSA,A,3,01,03,,,,,,,,,,,2.5,1.5,2.0*2D
$IMGSA,A,3,,,,,,,,,,,,,2.5,1.5,2.0*20
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.5,1.5,2.0*10
$GAGSA,A,3,,,,,,,,,,,,,2.5,1.5,2.0*22
$GPRMC,011457.00,A,3724.078559,N,12659.412683,E,001.3,262.5,261020,,,A*59
$GPGGA,011458.00,3724.079187,N,12659.411785,E,1,25,0.4,75.4,M,18.4,M,,*58
$PGLOR,9,STA,011458.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3006212,LC,,,*59
$GPGSV,3,1,12,02,80,021,36,05,61,296,32,06,39,110,36,13,31,191,39*70
$GPGSV,3,2,12,29,23,317,32,09,20,043,28,07,17,083,31,30,16,112,37*79
$GPGSV,3,3,12,19,14,165,37,12,04,242,,15,04,214,,25,03,275,*71
$GLGSV,2,1,06,83,85,103,27,68,73,347,31,69,41,237,39,82,35,146,36*65
$GLGSV,2,2,06,84,30,329,21,67,25,035,29*6C
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,26,234,57,297,29,206,40,185,29,211,34,315,28*68
$BDGSV,4,2,16,209,15,197,30,212,76,234,,221,72,272,,213,56,323,*6D
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.1,1.2,1.7*39
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.1,1.2,1.7*27
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,2.1,1.2,1.7*27
$QZGSA,A,3,01,03,,,,,,,,,,,2.1,1.2,1.7*2A
$IMGSA,A,3,,,,,,,,,,,,,2.1,1.2,1.7*27
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.1,1.2,1.7*17
$GAGSA,A,3,,,,,,,,,,,,,2.1,1.2,1.7*25
$GPRMC,011458.00,A,3724.079187,N,12659.411785,E,001.7,248.8,261020,,,A*55
$GPGGA,011459.00,3724.079166,N,12659.411543,E,1,25,0.4,75.8,M,18.4,M,,*52
$PGLOR,9,STA,011459.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3007212,LC,,,*59
$GPGSV,3,1,12,02,80,021,37,05,61,296,31,06,39,110,39,13,31,191,39*7D
$GPGSV,3,2,12,29,23,317,31,09,20,043,27,07,17,083,31,30,16,112,37*75
$GPGSV,3,3,12,19,14,165,36,12,04,242,,15,04,214,,25,03,275,*70
$GLGSV,2,1,06,83,85,103,28,68,73,347,31,69,41,237,40,82,35,146,36*64
$GLGSV,2,2,06,84,30,329,21,67,25,035,29*6C
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,26,234,57,297,28,206,40,185,29,211,34,315,28*69
$BDGSV,4,2,16,209,15,197,29,212,76,234,,221,72,272,,213,56,323,*65
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.5,1.5,2.0*3E
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.5,1.5,2.0*20
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,2.5,1.5,2.0*20
$QZGSA,A,3,01,03,,,,,,,,,,,2.5,1.5,2.0*2D
$IMGSA,A,3,,,,,,,,,,,,,2.5,1.5,2.0*20
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.5,1.5,2.0*10
$GAGSA,A,3,,,,,,,,,,,,,2.5,1.5,2.0*22
$GPRMC,011459.00,A,3724.079166,N,12659.411543,E,002.0,242.2,261020,,,A*57
$GPGGA,011500.00,3724.079115,N,12659.411273,E,1,24,0.4,76.1,M,18.4,M,,*54
$PGLOR,9,STA,011500.00,0.008,0.000,-485,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3008212,LC,,,*5B
$GPGSV,3,1,12,02,80,021,37,05,61,296,31,06,39,110,39,13,31,191,38*7C
$GPGSV,3,2,12,29,23,317,31,09,20,043,27,07,17,083,31,30,16,112,37*75
$GPGSV,3,3,12,19,14,165,36,12,04,242,,15,04,214,,25,03,275,*70
$GLGSV,2,1,06,83,85,103,28,68,73,347,31,69,41,237,40,82,35,146,37*65
$GLGSV,2,2,06,84,30,329,20,67,25,035,29*6D
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,26,234,57,297,28,206,40,185,29,211,34,315,27*66
$BDGSV,4,2,16,209,15,197,29,212,76,234,,221,72,272,,213,56,323,*65
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.6,1.5,2.1*3C
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.6,1.5,2.1*22
$GNGSA,A,3,67,68,69,82,83,,,,,,,,2.6,1.5,2.1*2E
$QZGSA,A,3,01,03,,,,,,,,,,,2.6,1.5,2.1*2F
$IMGSA,A,3,,,,,,,,,,,,,2.6,1.5,2.1*22
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.6,1.5,2.1*12
$GAGSA,A,3,,,,,,,,,,,,,2.6,1.5,2.1*20
$GPRMC,011500.00,A,3724.079115,N,12659.411273,E,002.2,250.1,261020,,,A*58
$GPGGA,011501.00,3724.079108,N,12659.411006,E,1,25,0.4,76.5,M,18.4,M,,*5C
$PGLOR,9,STA,011501.00,0.008,0.000,-484,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3009212,LC,,,*5A
$GPGSV,3,1,12,02,80,021,37,05,61,296,31,06,39,110,39,13,31,191,38*7C
$GPGSV,3,2,12,29,23,317,30,09,20,043,26,07,17,083,33,30,16,112,37*77
$GPGSV,3,3,12,19,14,165,36,12,04,242,,15,04,214,,25,03,275,*70
$GLGSV,2,1,06,83,85,103,27,68,73,347,31,69,41,237,40,82,35,146,38*65
$GLGSV,2,2,06,84,30,329,19,67,25,035,28*66
$QZGSV,1,1,02,01,80,110,34,03,50,171,35*6E
$BDGSV,4,1,16,208,70,015,26,234,57,297,27,206,40,185,30,211,34,315,27*61
$BDGSV,4,2,16,209,15,197,29,212,76,234,,221,72,272,,213,56,323,*65
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.6,1.8,3.2*32
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.6,1.8,3.2*2C
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.6,1.8,3.2*2C
$QZGSA,A,3,01,03,,,,,,,,,,,3.6,1.8,3.2*21
$IMGSA,A,3,,,,,,,,,,,,,3.6,1.8,3.2*2C
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.6,1.8,3.2*1C
$GAGSA,A,3,,,,,,,,,,,,,3.6,1.8,3.2*2E
$GPRMC,011501.00,A,3724.079108,N,12659.411006,E,002.3,249.9,261020,,,A*54
$GPGGA,011502.00,3724.079202,N,12659.410068,E,1,25,0.4,76.8,M,18.4,M,,*52
$PGLOR,9,STA,011502.00,0.008,0.000,-484,1,4,0,P,F,L,0,C,3,S,00000042,1647,5,R,000833F4,TPEF,40,3010212,LC,,,*51
$GPGSV,3,1,12,02,80,021,37,05,61,296,31,06,39,110,39,13,31,191,38*7C
$GPGSV,3,2,12,29,23,317,30,09,20,043,26,07,17,083,33,30,16,112,37*77
$GPGSV,3,3,12,19,14,165,36,12,04,242,,15,04,214,,25,03,275,*70
$GLGSV,2,1,06,83,85,103,27,68,73,347,32,69,41,237,40,82,35,146,38*66
$GLGSV,2,2,06,84,30,329,19,67,25,035,28*66
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,26,234,57,297,27,206,40,185,30,211,34,315,27*61
$BDGSV,4,2,16,209,15,197,29,212,76,234,,221,72,272,,213,56,323,*65
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.7,1.4,2.3*3E
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.7,1.4,2.3*20
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,2.7,1.4,2.3*20
$QZGSA,A,3,01,03,,,,,,,,,,,2.7,1.4,2.3*2D
$IMGSA,A,3,,,,,,,,,,,,,2.7,1.4,2.3*20
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.7,1.4,2.3*10
$GAGSA,A,3,,,,,,,,,,,,,2.7,1.4,2.3*22
$GPRMC,011502.00,A,3724.079202,N,12659.410068,E,002.4,246.6,261020,,,A*50
$GPGGA,011503.00,3724.079002,N,12659.408294,E,1,25,0.4,77.0,M,18.4,M,,*50
$PGLOR,9,STA,011503.00,0.008,0.000,-484,1,4,0,P,F,L,0,C,3,S,00000042,1648,5,R,000833F4,TPEF,40,3011212,LC,,,*5E
$GPGSV,3,1,12,02,80,021,38,05,61,296,31,06,39,110,38,13,31,191,38*72
$GPGSV,3,2,12,29,23,317,30,09,19,043,26,07,17,083,35,30,16,112,36*7A
$GPGSV,3,3,12,19,14,165,35,12,04,242,,15,04,214,,25,03,275,*73
$GLGSV,2,1,06,83,85,103,27,68,73,347,32,69,41,237,40,82,35,146,37*69
$GLGSV,2,2,06,84,30,329,24,67,25,035,28*68
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,26,234,57,297,27,206,40,185,30,211,34,315,27*61
$BDGSV,4,2,16,209,15,197,28,212,76,234,,221,72,272,,213,56,323,*64
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*33
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*2D
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.5,1.8,3.0*2D
$QZGSA,A,3,01,03,,,,,,,,,,,3.5,1.8,3.0*20
$IMGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2D
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.5,1.8,3.0*1D
$GAGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2F
$GPRMC,011503.00,A,3724.079002,N,12659.408294,E,002.3,249.6,261020,,,A*53
$GPGGA,011504.00,3724.078600,N,12659.407233,E,1,25,0.4,77.3,M,18.4,M,,*53
$PGLOR,9,STA,011504.00,0.008,0.000,-483,1,4,0,P,F,L,0,C,3,S,00000042,1649,5,R,000833F4,TPEF,40,3012212,LC,,,*5C
$GPGSV,3,1,12,02,80,021,38,05,61,296,31,06,39,110,38,13,31,191,38*72
$GPGSV,3,2,12,29,23,317,29,09,19,043,26,07,17,083,36,30,16,112,36*71
$GPGSV,3,3,12,19,14,165,35,12,04,242,,15,04,214,,25,03,275,*73
$GLGSV,2,1,06,83,85,103,27,68,73,347,32,69,41,237,40,82,35,146,37*69
$GLGSV,2,2,06,84,30,329,23,67,25,035,28*6F
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,26,234,57,297,27,206,40,185,30,211,34,315,27*61
$BDGSV,4,2,16,209,15,197,28,212,76,234,,221,72,272,,213,56,323,*64
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*33
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*2D
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.5,1.8,3.0*2D
$QZGSA,A,3,01,03,,,,,,,,,,,3.5,1.8,3.0*20
$IMGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2D
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.5,1.8,3.0*1D
$GAGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2F
$GPRMC,011504.00,A,3724.078600,N,12659.407233,E,002.3,248.9,261020,,,A*5D
$GPGGA,011505.00,3724.078358,N,12659.406457,E,1,25,0.4,77.6,M,18.4,M,,*5A
$PGLOR,9,STA,011505.00,0.008,0.000,-483,1,4,0,P,F,L,0,C,3,S,00000042,1650,5,R,000833F4,TPEF,40,3013212,LC,,,*54
$GPGSV,3,1,12,02,80,021,38,05,61,296,30,06,39,110,38,13,31,191,37*7C
$GPGSV,3,2,12,29,23,317,29,09,19,043,26,07,17,083,36,30,16,112,36*71
$GPGSV,3,3,12,19,14,165,35,12,04,242,,15,04,214,,25,03,275,*73
$GLGSV,2,1,06,83,85,103,27,68,73,347,32,69,41,237,39,82,34,146,37*66
$GLGSV,2,2,06,84,30,329,23,67,25,035,28*6F
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,26,234,57,297,26,206,40,185,29,211,34,315,26*69
$BDGSV,4,2,16,209,15,197,27,212,76,234,,221,72,272,,213,56,323,*6B
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*33
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,3.5,1.8,3.0*2D
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,3.5,1.8,3.0*2D
$QZGSA,A,3,01,03,,,,,,,,,,,3.5,1.8,3.0*20
$IMGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2D
$BDGSA,A,3,206,208,209,211,234,,,,,,,,3.5,1.8,3.0*1D
$GAGSA,A,3,,,,,,,,,,,,,3.5,1.8,3.0*2F
$GPRMC,011505.00,A,3724.078358,N,12659.406457,E,002.3,238.6,261020,,,A*59
$GPGGA,011506.00,3724.078091,N,12659.404969,E,1,25,0.4,77.9,M,18.4,M,,*52
$PGLOR,9,STA,011506.00,0.008,0.000,-483,1,4,0,P,F,L,0,C,3,S,00000042,1652,5,R,000833F4,TPEF,40,3014212,LC,,,*52
$GPGSV,3,1,12,02,80,021,37,05,61,296,30,06,39,110,38,13,31,191,37*73
$GPGSV,3,2,12,29,23,317,29,09,19,043,26,07,17,083,35,30,16,112,36*72
$GPGSV,3,3,12,19,14,165,34,12,04,242,,15,04,214,,25,03,275,*72
$GLGSV,2,1,06,83,85,104,26,68,73,347,31,69,41,237,39,82,34,146,37*63
$GLGSV,2,2,06,84,30,329,23,67,25,035,28*6F
$QZGSV,1,1,02,01,80,110,34,03,50,171,36*6D
$BDGSV,4,1,16,208,70,015,25,234,57,297,30,206,40,185,29,211,34,315,26*6D
$BDGSV,4,2,16,209,15,197,27,212,76,234,,221,72,272,,213,56,323,*6B
$BDGSV,4,3,16,222,47,044,,203,45,207,,201,42,153,,204,35,133,*6F
$BDGSV,4,4,16,216,34,189,,205,09,257,,235,08,151,,210,07,219,*64
$GPGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.3,1.2,2.0*3F
$GNGSA,A,3,02,05,06,07,09,13,19,29,30,,,,2.3,1.2,2.0*21
$GNGSA,A,3,67,68,69,82,83,84,,,,,,,2.3,1.2,2.0*21
$QZGSA,A,3,01,03,,,,,,,,,,,2.3,1.2,2.0*2C
$IMGSA,A,3,,,,,,,,,,,,,2.3,1.2,2.0*21
$BDGSA,A,3,206,208,209,211,234,,,,,,,,2.3,1.2,2.0*11
$GAGSA,A,3,,,,,,,,,,,,,2.3,1.2,2.0*23
$GPRMC,011506.00,A,3724.078091,N,12659.404969,E,002.2,248.5,261020,,,A*5B
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이론 관련/컴퓨터 관련2020. 9. 25. 17:25

NUMA, SMP

numatool 이라는걸 알아가게 되네..

NUMA는 복수개의 CPU를 사용할 때 버스를 통해서 메모리를 공유하고

SMP는 개별 CPU에 메모리를 달아 다른 CPU를 통해 메모리를 접근하는 방식으로 보임

(그러고 보니 펜3 시절에 SMP 라고 들은거 같은데 그때랑 지금의 2cpu 는 방식이 다른가?)

 

[링크 : https://12bme.tistory.com/537]

[링크 : https://rockball.tistory.com/entry/Numa의-이해]

[링크 : https://zetastring.tistory.com/85]

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이론 관련/컴퓨터 관련2020. 9. 18. 12:44

파일 스토리지, 블록 스토리지, 오브젝트 스토리지

파일 스토리지 - 디렉토리 기반 관리

블록 스토리지 - 데이터를 조각으로 분리해서 저장. 멀티 플랫폼 상에서 분산 저장

오브젝트 스토리지 -  key/value 평면구조로 저장, 수정 불가

 

[링크 : https://www.redhat.com/ko/topics/data-storage/file-block-object-storage]

[링크 : https://medium.com/harrythegreat/클라우드상-오브젝트-스토리지-object-storage-란-9d9c2da57649]

[링크 : https://www.delltechnologies.com/ko-kr/glossary/object-storage.htm]

[링크 : https://www.ibm.com/kr-ko/cloud/learn/what-is-object-storage]

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이론 관련/컴퓨터 관련2020. 9. 18. 12:40

lustre file system

 

 

[링크 : https://lustre.org/]

[링크 : https://opensfs.org/lustre/]

[링크 : https://en.wikipedia.org/wiki/Lustre_(file_system)] 병렬 분산 파일 시스템

 

Linux cLUSTRE ..? 리눅스 클러스터 약자라는데 CENTRE/CENTRE 적는게 생각나네?

MGS ManaGement Server

MGT  ManaGement Targets

MDS Meta Data Servers

MDT Meta Data Targets

OSS Object Storage Server

OST Object Storage Target

[링크 : https://jaynamm.tistory.com/entry/Lustre-File-System]

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이론 관련/컴퓨터 관련2020. 9. 8. 11:57

smmu?

arm에서 가상화 관련해 만든 MMU인듯

[링크 : http://jake.dothome.co.kr/iommu/]

[링크 : https://developer.arm.com/ip-products/system-ip/system-controllers/system-memory-management-unit]

[링크 : https://en.wikipedia.org/wiki/Input%E2%80%93output_memory_management_unit]

 

System Memory Management Unit (SMMU)

[링크 : https://developer.arm.com/.../Arm%20Enterprise%20Virtualization%20whitepaper.pdf?...]

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zmmu gen-z

risc-v 에서도 차용한 것일 뿐인가 좀 헷갈리네..

아무튼 메이저 서버 업체가 합쳐서 메모리 - cpu - 가속기 등을 통합해서 사용할 수 있는

고성능 메모리 버스를 만드는걸 목표로 하는 듯(로열티 없는 걸로)

 

[링크 : https://riscv.org//wp-content/uploads/2018/07/1430-19.07.18-Mohan-Pathasarathy-HPE.pdf]

[링크 : https://en.wikipedia.org/wiki/Gen-Z]

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async와 non block

non block은 async한 동작을 하는 방법중에 하나지만

non block이라고 해서 반드시 async 하다고 할 순 없다라...

 

Thread 등으로 blocking 작업을 분리해서 async하게 할 수도 있기에

 

asynchronous와 non-blocking이 동일한거라고 볼 순 없다고 하는데

이해할듯 하면서 더 어려운 말이네...

 

[링크 : https://tech.peoplefund.co.kr/2017/08/02/non-blocking-asynchronous-concurrency.html]

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이론 관련/컴퓨터 관련2019. 12. 15. 01:35

EAV - Entitiy Attribute Value

ER  이런것 처럼 data model중 하나로

EAV 는 일종의.. 비정형 데이터 그러니까 로그 스타일? 머 이런 느낌인듯

 

영문위키를 번역해서 보는데 의료정보 쪽에서 촉발(?)된 비정형 데이터 처리에 대한 방법으로 보이기도 한다.

[링크 : https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model]

[링크 : https://en.wikipedia.org/wiki/Data_model]

 

[링크 : https://wsjoung.tistory.com/91]

[링크 : https://snowple.tistory.com/359]

[링크 : https://gojjc.tistory.com/entry/Entity%E2%80%93attribute%E2%80%93value-model]

[링크 : http://wiki.gurubee.net/pages/viewpage.action?pageId=15630354]

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이론 관련/컴퓨터 관련2019. 12. 11. 04:01

ETL - Extract Transform Load

ETL은 어떤 특정 분야의 단어인건가?

단순하게 생각하면.. 추출해서 변형하고 다시 적재하는거..

어떠한 복잡한 행위보다는 형상의 변화에만 맞춰진것 같긴한데

데이터가 데이터인지라 그걸 손실없이 변형하는게 쉽지 않다는게 문제..

 

연관검색어는 CDM ETL 인가

 

[링크 : https://ko.wikipedia.org/wiki/추출,_변환,_적재]

[링크 : https://itholic.github.io/etl/]

[링크 : https://brownbears.tistory.com/410]

 

+

아래는 기사. .한번 읽어 볼만한 듯

[링크 : http://www.itworld.co.kr/news/106925] ETL 시대의 종말

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이론 관련/컴퓨터 관련2019. 11. 2. 10:05

SAS expander

USB 허브 같은 느낌으로 SAS 포트를 늘리는거라는데

내부적으로는 대역폭을 더 늘려놓고 그걸로 나누는거라

실 성능에는 저하가 없다고 한다. (근데 그게 어떻게 가능하지?)

 

[링크 : http://support.andico.co.kr/bbs/view.php?id=faq3&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=hit&desc=asc&no=4]

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