35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
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To compile SuperLU:
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Use the Visual Studio project located in the /prj folder.
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IMPORTANT (THREAD-SAFETY):
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A slight modification had to be applied to the original sources of the used version (4.1).
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The edit concerns the presence of static variables, that make SuperLU *NOT* thread-safe.
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There is a SuperLU version for parallel architectures (SMT), but it's obviously geared
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toward internal thread management - which is not what we want.
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The only edit we've done, located in "dgstrf.c", fixes a crash when allocating resources
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for LU factorization:
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In "void dgstrf (..)":
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> /*static*/ GlobalLU_t Glu; /* persistent to facilitate multiple factors. */
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/* DANIELE: tolto static, nocivo x multithread */
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> memset(&Glu, 0, sizeof(GlobalLU_t)); // static inizializzava tutto a 0
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There are other sparse static variables, which we've not had the time to double-check.
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Everything seems to work.
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In case it is necessary to further modify source files, remember fiy:
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* Files NOT starting with "d" - ie "double" - are not interesting; they are intended
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for single float and complex numbers, we're only sticking to doubles.
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* We're mainly interested in LU factorization, meaning only dgstrf ramification should
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be tracked.
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