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Figure 2 | BMC Bioinformatics

Figure 2

From: Genomorama: genome visualization and analysis

Figure 2

Comparing the time to load human chromosome 1. The time to load Homo sapiens chromosome 1 is used to compare the performance of Genomorama and two Java based tools: Apollo [2] and Argo [3]. The time to load the GBK file [GenBank:NC_000001.9] from the local hard drive is shown for three computing platforms: a high-end OS X 10.4.8 workstation (dual 3 Ghz Intel Xeon CPUs, 3 GB ram, Java 1.5.0), a mid-range Linux Red Hat 4.0.1 workstation (dual 2.4 GHz Intel Xeon CPUs, 1 GB ram, Java 1.4.2) and low-end OS X 10.3.9 desktop (single 1.8 GHz G5 PowerPC CPU, 512 MB ram, Java 1.4.2). The Java-based programs were run from the command line with the arguments "-Xms32m -Xmx1024m" to increase the amount of memory allowed to the Java virtual machine. Providing Java with more than 1 GB of memory did not improve performance (results not shown). Each program loaded the genome file twice (to ensure fair OS disk caching) and the second load time is reported. For all platforms, Genomorama loads the genome file more than an order of magnitude faster than either of the Java-based programs.

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