The throughput tag has no wiki summary.
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Memory speed: single and dual channel
I measured memory throughput of my computer with MemTest86+, and one result surprised me.
I use DDR3-8500 (533 Mhz) modules. I have one 4 GiB and two 2 GiB. The timings seem to be 7-7-7-20 fixed by ...
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2answers
47 views
TCP Throughput versus Packet Loss
How does the packet loss rate affect the TCP throughput rate: throughput rate reduce exponentially with respect to loss increase or throughput rate reduces by the same amount as loss increase?
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1answer
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How to estimate download/enumeration times in large USB trees?
I'm doing a system design in which many flash-memory devices are connected into a USB tree of hubs, and I need to estimate how long it will take for them all to do a download ... which is complicated ...
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3answers
292 views
Highest effective transfer rate on SATA II
Assuming I have a SATA III SSD drive that has a throughput of >500 MB/s. What is a reasonable estimate of the effective throughput on a SATA II controller?
I know that SATA II has 3.0 GBit/s ...
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How to benchmark hard disk?
I am trying to benchmark my hard disk and find the throughput in Mb/s and latency in milliseconds.
This is my code:
public class OneMB implements Timer {
public static void main(String a[]) throws ...
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1answer
725 views
Gigabit Switch Is Slow In One Direction, Fast In Opposite Direction
I have a desktop and a laptop connected by a network switch. Both have Gigabit network cards. My old (Netgear) Fast Ethernet switch gives equal throughput in both directions for file copying ...
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2answers
473 views
How does the link speed affect TCP throughput? [closed]
Can someone explain to me how data is transmitted over a network using TCP/IP? Let's say I currently receive 500 Mbps of data over a 1 Gbps line right now. If I upgrade the line to 10 Gbps, would my ...
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Throughput and why do ISPs sell too much bandwidth? [closed]
I hope the question made sense how I worded it. :)
I've been wondering, maximum theoretical bandwidth is measured as RWIN/RTT (Window size / round trip time)
Wikipedia
Calculate TCP throughput ...
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OpenVPN - throughput differences between Linux and Windows client
With the EURO going on and me being in Chile, I need to pretend being in Germany to get the stream. :) I have OpenVPN set up on a server in Germany.
When receiving the stream through OpenVPN on ...
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2answers
156 views
Why would I get slower uploads on a Windows machine than my Mac?
I have a proprietary app, written in Java, that uploads files to a server via multiple HTTPS POST requests. There's a Mac version and a Windows version.
On the Mac, we easily get 3-5mbps upload ...
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2answers
820 views
Windows 7, download speeds drop to 0 kb/s and the download has to be restarted
My PC has an SSD as C: and a sata drive for D:
The SSD is brand-new and so I have reinstalled Windows 7 64-bit. I have installed the latest network drivers from the motherboard manufacturer, in fact ...
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2answers
166 views
Is 802.11g speed affected by slow 802.11g devices?
In general, if I have a 802.11g AP and a client is connected at a speed of 22Mbps (as seen from the AP's administrative interface), will this affect the speed/throughput of other devices connected to ...
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2answers
225 views
Network speeds being report as 4x higher than actual in Windows 7 SP1
Ever since installing Windows 7 SP1, I have noticed that all programs that display my network transfer rate have been exactly 4x higher than they actually are.
For example, when I download something ...
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4answers
2k views
Very slow usb 3.0 performance
I have a WD Passport 1tb drive, and a 3tb Seagate 3tb GoFlex drive; both are external, both are usb 3.0, and both are slow as molasses: the most I can get out of them is 30MBs.
I've tried copying ...
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5answers
127 views
Sharing files between multiple computers?
At my school, we have 13 iMacs that we use to make our yearbook. Currently our school has some servers for us, but since we work with so many files ( thousands of pictures, most of which are ~3MB ) it ...
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1answer
249 views
TCP Throughput testing tools with ability to rate-limit?
I'm looking for test software that can generate test streams with the TCP/IP protocol, but limit the rate of the test data. For example, if using 100Mbps Ethernet, I would like to be able to generate ...
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2answers
2k views
Does 1 Gbit/s port in full-duplex mean 1 Gbit/s send and 1 Gbit/s receive?
I'm figuring out the best router for me based on their performance.
When you have a 1 Gbit/s port in full-duplex, does that mean you can send 1 Gbit/s and receive 1 Gbit/s at the same ...
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1answer
646 views
Slow file sharing speed over LAN
I have two ASUS UL80 laptops and trying to copy files from one to another. I also have a Linksys router with WiFI on.
The speed of a file transfer via router + LAN cable (or only the LAN cable) is ...
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1answer
597 views
Maximum throughput for a network switch for multiple simultaneous transfers between different ports
On a typical network switch each port runs at a designed maximum speed, eg: 100Mb/s
But is there a limit to the maximum transfer rate between all ports of the switch at a given time?
I am guessing ...
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3answers
633 views
Linux: Limiting data throughput (pipe) in bytes per second?
I was wandering if there is a Linux program that can limit data throughput of a pipe - in actual bytes per second?.
From what I gather, applicable for the purposes would be
bfr, however, it has ...
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2answers
602 views
Can I add a gigabit switch to my D-Link WiFi router for gigabit networking?
I currently have a D-Link DIR-628 router in my home network that I use for wifi and local networking. However, I am looking to upgrade to a gigabit network as the data transfer speed between my ...
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1answer
1k views
How do I increase wireless network throughput to above 4mb?
Router: Linksys WRT610N (Simultaneous Dual Band)
PC: Windows 7
MAC: Snow Leopard
Max transfer speed: 4mbytes/sec
Other tidbits:
Wireless connection strength: Good. Both signals above 85%.
I find ...
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1answer
6k views
How seriously does cable length affect USB 3.0 transfer speeds?
Recently I've been thinking of upgrading my computer with some USB 3.0 ports. However, the problem is my computer is some ways away from my desk so that would mean I would need a long cable, ...
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2answers
1k views
internet bandwidth measurement?
How the internet speed is calculated, and how does it differ from other speed measurements (like CPU speed)? For example, what does it mean if somebody says, "my internet speed is 512"?
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Win7 -> Server 2008: Mapped drives take a long time to open
First, the configuration:
I have a desktop and a laptop running Windows 7.
I have a server running Windows Server 2008 Enterprise Edition.
The workstation and server connect to the same Gigabit ...
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5answers
187 views
Upgrading from single core to dual core - Will throughput get doubled?
If i replace a single-core processor with a dual-core processor, Will it increase the throughput by two times ? If No, why throughput does not get doubled ?
