### Phantom-GRAPE: Numerical software library to accelerate collisionless N-body simulation with SIMD instruction set on x86 architecture

#### Tanikawa, Ataru, Yoshikawa, Kohji, Nitadori, Keigo, Okamoto, Takashi

We have developed a numerical software library for collisionless N-body simulations named ``Phantom-GRAPE'' which highly accelerates force calculations among particles by use of a new SIMD instruction set extension to the x86 architecture, Advanced Vector eXtensions (AVX), an enhanced version of the Streaming SIMD Extensions (SSE). In our library, not...

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