Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fast Simulations of Gravitational Many-body Problem on RV770 GPU   The gravitational many-body problem is a problem concerning the movement of
bodies, which are interacting through gravity. However, solving the
gravitational many-body problem with a CPU takes a lot of time due to O(N^2)
computational complexity. In this paper, we show how to speed-up the
gravitational many-body problem by using GPU. After extensive optimizations,
the peak performance obtained so far is about 1 Tflops.

4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
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The categories of this paper are: math
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
32
The categories of this paper are: atom-ph
1
The categories of this paper are: cs