THE IMPACT OF FILE SYSTEMS Increasing Video Recording Speed

YONGJUN ZOU Business Development Manager, Tuxera Inc.

Flash Memory Summit 2015 Santa Clara, CA 1 FACTORS AFFECT OVERALL VIDEO RECORDING PERFORMANCE

Optimizing for the best possible performance

Flash Memory Controller Firmware FILE SYSTEMS

OVERALL PERFORMANCE

Flash Memory Summit 2015 Santa Clara, CA 2 TEST ENVIROMENT INTRODUCTION

RECORDING

From left to right: TEST ENVIRONMENT • Samsung Pro 64GB • Toshiba Exceria Pro UHS-II 32GB

Flash Memory Summit 2015 Santa Clara, CA TEST RESULT: 4-STREAM VIDEO RECORDING

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Hardware setup: 6

• IP Camera (ARM 5 Cortex A9 Dual Core) 4 • Samsung Pro 64GB Write speed (MB/s) 3 UHS-I microSDXC Card 2 1

0 60 120 180 240 300 Total amount written (GB)

VFAT stream 1 Tuxera exFAT stream 1 Open source exFAT stream 1 VFAT stream 2 Tuxera exFAT stream 2 Open source exFAT stream 2 VFAT stream 3 Tuxera exFAT stream 3 Open source exFAT stream 3 VFAT stream 4 Tuxera exFAT stream 4 Open source exFAT stream 4

Tests with Open Source exFAT and VFAT were terminated after 5 hours writing 178GB of data (open source exFAT) and 91GB (VFAT). Tuxera exFAT wrote over 316GB of data in just 4.5 hours. Flash Memory Summit 2015 Santa Clara, CA TEST RESULT: 2-STREAM VIDEO RECORDING

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60

50 Hardware setup:

• + device 40 • Toshiba Exceria 30 Pro 32GB UHS-II Write speed (MB/s)

SDHC Card 20 H.265/HEVC 4K UHD speed (17.7 MB/s)

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0 29 58 87 116 145 Total amount written (GB)

VFAT stream 1 Tuxera exFAT stream 1 Open source exFAT stream 1 VFAT stream 2 Tuxera exFAT stream 2 Open source exFAT stream 2

Flash Memory Summit 2015 Santa Clara, CA IMPACTS

Right file system implementations bring significant better video recording experience.

PERFORMANCE RELIABILITY (Speed & CPU)

POWERED BY SUSTAINABILITY FLASH MEMORY LIFETIME (File system fragmentation)

Flash Memory Summit 2015 Santa Clara, CA TUXERA ECOSYSTEM: FLASH MEMORY PARTNERS

Flash Memory Summit 2015 Santa Clara, CA TUXERA FAIL-SAFE TECHNOLOGY DEMO @SDA

August 12-13th SD Association Booth Number 119

Flash Memory Summit 2015 Santa Clara, CA THANK YOU!

www.tuxera.com

Flash Memory Summit 2015 Santa Clara, CA