Schematic illustration of the parallelism strategy.

<p>Schematic illustration of the parallelism strategy.</p

The effect of data length in relation to speedup factor for the parallelized part of DCM for ERP.

<p>The effect of data length in relation to speedup factor for the parallelized part of DCM for ERP.</p

The architectures of three arrangements, (A) the block-first arrangement, (B) the thread-first arrangement, and (C) the block-64 arrangement, and the detection of the maximum number of simultaneous thread blocks using a small benchmark program (D).

<p>The architectures of three arrangements, (A) the block-first arrangement, (B) the thread-first arrangement, and (C) the block-64 arrangement, and the detection of the maximum number of simultaneous thread blocks using a small benchmark program (D).</p

Schematic illustration of the data passing flow between the MATLAB and the GPU.

<p>Schematic illustration of the data passing flow between the MATLAB and the GPU.</p

The models used in the performance evaluation (SI: primary sensory area; SII: secondary sensor area; ACC: Anterior cingulate cortex; TPJ: Temporoparietal junction; IPL: Inferior parietal lobule; PMA: Premotor area; DLPFC: Dorsolateral prefrontal cortex).

<p>The models used in the performance evaluation (SI: primary sensory area; SII: secondary sensor area; ACC: Anterior cingulate cortex; TPJ: Temporoparietal junction; IPL: Inferior parietal lobule; PMA: Premotor area; DLPFC: Dorsolateral prefrontal cortex).</p

The GPU computing efficiency of the three different thread arrangements in comparison with the original MATLAB implementation.

<p>The GPU computing efficiency of the three different thread arrangements in comparison with the original MATLAB implementation.</p

The effect of data length in relation to speedup factor.

<p>The effect of data length in relation to speedup factor.</p

The speedup factor of the GPU block64 strategy for each model (of one representative subject).

<p>speedup^a: speedup factor per EM loop ; speedup^b: speedup factor of total execution time.</p

The effect of data length in relation to the execution time.

<p>The effect of data length in relation to the execution time.</p

Time span composition, including computing time (in blue), data transformation (in green) and data passing (in red), of the three arrangements.

<p>Time span composition, including computing time (in blue), data transformation (in green) and data passing (in red), of the three arrangements.</p