Tests: amrex.the_arena_init_size=0
#430
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`amrex.the_arena_init_size=0` is default on CPU but not GPU. In order to run tests in parallel on the same GPU, we need to change the default so the first test does not allocate 3/4th of the memory of the GPU (to speed up later allocations in a pre-allocated heap).
ax3l
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backend: cuda
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Merging Companion PR in WarpX for reference: BLAST-WarpX/warpx#5785. |
EZoni
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May 6, 2025
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amrex.the_arena_init_size=0is default on CPU but not GPU. In order to run tests in parallel on the same GPU, we need to change the default so the first test does not allocate 3/4th of the memory of the GPU (to speed up later allocations in a pre-allocated heap).