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Old 04-05-2007, 06:03 AM   #1
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USB Flash slow with many small files


When I copy or delete a folder with lots of small files on my flash drive, it goes incredibly slow. Transferring one large file is relatively fast (8-10 MB/sec). I figure that the FAT is being updated many times and this may be the cause, but I wonder why it's so much slower on my 4GB flash drive which is 10 MB/sec than on my 1 GB MP3 player which is less than 3 MB/sec. Maybe it has bigger internal "blocks" that take longer to write? But even then, the speed is nearly 4x, so it just doesn't make sense.

I enabled write caching on the drive, but it doesn't change anything. My best bet is to zip such folders and copy to the zip to the USB drive instead.

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OS Microsoft Windows XP Professional SP2 CPU Intel Core 2 Duo E6600 3.0 GHz (Conroe)
Motherboard ASUS P5B-E RAM 2 GB Kingston DDR2-667 4-4-4-12 Dual Channel
Video NVIDIA GeForce 8800 GT PCI-E 512 MB Audio SoundMAX HD Audio

OS Microsoft Windows XP Professional SP2 CPU Intel Pentium 4 3.0 GHz with HT (Northwood)
Motherboard ASUS P4P800 Deluxe RAM 1 GB Kingston DDR400 3-3-3-8 Dual Channel
Video NVIDIA GeForce 7600 GT AGP 256 MB Audio SoundMAX Digital Audio

OS Microsoft Windows XP Professional SP2 CPU Intel Pentium III 1.0 GHz (Coppermine)
Motherboard ASUS P3V4X RAM 256 MB Kingston PC133 2-2-2-6
Video NVIDIA GeForce2 MX400 AGP 64 MB Audio Creative Sound Blaster Live!
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Old 04-05-2007, 06:11 AM   #2
Acid8000 aka. phildee
 
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Might be related to the cluster size?
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CPU: Intel Pentium 4 3.2 GHz with HT (540) [Zalman CNPS9500 AT]
Motherboard: Intel D915PBL
Memory: 2 x 1 GB Corsair ValueSelect DDR2
Graphics: nVidia GeForce 7900 GS 256 MB (ASUS EN7900GS/2DHT/256M) [Zalman VF700 Cu]
Audio: Creative Sound Blaster Audigy 4; Sennheiser HD 555; Pioneer SA-5300 Stereo Amplifier; Pioneer SCS-12 Speakers
Storage: Seagate 160 GB SATA 7200.7; Seagate 250 GB SATA 7200.9; Gigabyte i-RAM with 4 x 1 GB Geil DDR RAM; Western Digital 320 GB Caviar SE16 in Antec MX-1 eSATA
Optical drives: Pioneer DVR-108 DVD RW; Lite-On LTD163D DVD ROM
Power: Antec TruePower Trio 550
Monitors: Dell 2007FP 20.1" LCD (S-IPS version); Hansol E14AL 13.5" CRT
Networking: Linksys WRT54GL [Tomato firmware]; Netcomm NB6 ADSL2+ Modem
Other hardware: Panasonic 3½" Floppy; 3 x 80mm Case Fans; A-Link ATX Case; Canon LPB 3000; Canon CanoScan N340P; Logitech Media Keyboard; Logitech MX 518 Optical Mouse; Logitech Dual Action Gamepad; Logitech QuickCam Family
Operating system: Windows XP Professional Edition Service Pack 3; Ubuntu Linux 8.04 Hardy Heron
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Old 04-05-2007, 06:46 PM   #3
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4096 on both.
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OS Microsoft Windows XP Professional SP2 CPU Intel Core 2 Duo E6600 3.0 GHz (Conroe)
Motherboard ASUS P5B-E RAM 2 GB Kingston DDR2-667 4-4-4-12 Dual Channel
Video NVIDIA GeForce 8800 GT PCI-E 512 MB Audio SoundMAX HD Audio

OS Microsoft Windows XP Professional SP2 CPU Intel Pentium 4 3.0 GHz with HT (Northwood)
Motherboard ASUS P4P800 Deluxe RAM 1 GB Kingston DDR400 3-3-3-8 Dual Channel
Video NVIDIA GeForce 7600 GT AGP 256 MB Audio SoundMAX Digital Audio

OS Microsoft Windows XP Professional SP2 CPU Intel Pentium III 1.0 GHz (Coppermine)
Motherboard ASUS P3V4X RAM 256 MB Kingston PC133 2-2-2-6
Video NVIDIA GeForce2 MX400 AGP 64 MB Audio Creative Sound Blaster Live!
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