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Loading Levels In Battlefield 3

Exploring SSD Performance In Battlefield 3, F1 2011, And Rift
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Loading a level is actually more storage-intensive than launching the game. This makes sense, of course, since you aren't loading a lot of data until you choose a level and start loading it into memory.

Overall Statistics
Battlefield 3: Level Loading
Elapsed Time
01:50
Read Operations
7 171
Write Operations
440
Data Read
371.62 MB
Data Written
7.29 MB
Disk Busy Time
1.71 s
Average Data Rate
222.21 MB/s


When we load the Thunder Run campaign, our Vertex 3 reads more than one-third of a gigabyte. Almost all of the operations are sequential in nature, but the largest cluster consists of 128 KB chunks of information. With that said, smaller transfer sizes also constitute a notable portion of the loading sequence. Our obvious prediction here is that you'll also realize measurable gains loading a level in Battlefield 3 from an SSD compared to a hard drive.

I/O Trends:

  • 76% of all operations occur at a queue depth of one
  • 72% of all operations are sequential
  • 20% of all operations are 4 KB in transfer size
  • 12% of all operations are 8 KB in transfer size
  • 17% of all operations are 16 KB in transfer size
  • 11% of all operations are 32 KB in transfer size
  • 33% of all operations are 128 KB in transfer size


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