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Ensure a safe distance between work arrays in the buffer of single-threaded POTRF #5988

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Merged
martin-frbg merged 2 commits into from
Aug 20, 2026
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Ensure a safe distance between work arrays in the buffer of single-threaded POTRF #5988

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Ensure a safe margin between work arrays in the buffer even with smal…
martin-frbg Aug 20, 2026
0944e9e
Ensure a safe margin between work arrays in the buffer even when GEMM…
martin-frbg Aug 20, 2026
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2 changes: 1 addition & 1 deletion lapack/potrf/potrf_L_single.c
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ static FLOAT dm1 = -1.;
#define GEMM_PQ MAX(GEMM_P, GEMM_Q)

//leave some space for GEMM_ALIGN in sb2
#define REAL_GEMM_R (GEMM_R - 2*GEMM_PQ)
#define REAL_GEMM_R (MAX(GEMM_R, GEMM_PQ + 96) - GEMM_PQ)

#if 0
#define SHARED_ARRAY
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2 changes: 1 addition & 1 deletion lapack/potrf/potrf_U_single.c
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Expand Up @@ -66,7 +66,7 @@ static FLOAT dm1 = -1.;
#endif

#define GEMM_PQ MAX(GEMM_P, GEMM_Q)
#define REAL_GEMM_R (GEMM_R - GEMM_PQ)
#define REAL_GEMM_R (MAX(GEMM_R, GEMM_PQ + 96) - GEMM_PQ)

#if 0
#define SHARED_ARRAY
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