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OpenBLAS/kernel/riscv64/trsm_kernel_LT_rvv_v1.c

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  1. /***************************************************************************

  2. Copyright (c) 2022, The OpenBLAS Project

  3. All rights reserved.

  4. Redistribution and use in source and binary forms, with or without

  5. modification, are permitted provided that the following conditions are

  6. met:

  7. 1. Redistributions of source code must retain the above copyright

  8. notice, this list of conditions and the following disclaimer.

  9. 2. Redistributions in binary form must reproduce the above copyright

  10. notice, this list of conditions and the following disclaimer in

  11. the documentation and/or other materials provided with the

  12. distribution.

  13. 3. Neither the name of the OpenBLAS project nor the names of

  14. its contributors may be used to endorse or promote products

  15. derived from this software without specific prior written permission.

  16. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  17. AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  18. IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  19. ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE

  20. LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  21. DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  22. SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

  23. CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  24. OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

  25. USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  26. *****************************************************************************/

  27. 

  28. #include "common.h"

  29. 

  30. #if !defined(DOUBLE)

  31. #define VSETVL(n) vsetvl_e32m2(n)

  32. #define VSETVL_MAX vsetvlmax_e32m2()

  33. #define FLOAT_V_T vfloat32m2_t

  34. #define VLEV_FLOAT vle32_v_f32m2

  35. #define VLSEV_FLOAT vlse32_v_f32m2

  36. #define VLSEG2_FLOAT vlseg2e32_v_f32m2

  37. #define VSEV_FLOAT vse32_v_f32m2

  38. #define VSSEV_FLOAT vsse32_v_f32m2

  39. #define VSSEG2_FLOAT vsseg2e32_v_f32m2

  40. #define VFMACCVF_FLOAT vfmacc_vf_f32m2

  41. #define VFMULVF_FLOAT vfmul_vf_f32m2

  42. #define VFNMSACVF_FLOAT vfnmsac_vf_f32m2

  43. #else

  44. #define VSETVL(n) vsetvl_e64m2(n)

  45. #define VSETVL_MAX vsetvlmax_e64m2()

  46. #define FLOAT_V_T vfloat64m2_t

  47. #define VLEV_FLOAT vle64_v_f64m2

  48. #define VLSEV_FLOAT vlse64_v_f64m2

  49. #define VLSEG2_FLOAT vlseg2e64_v_f64m2

  50. #define VSEV_FLOAT vse64_v_f64m2

  51. #define VSSEV_FLOAT vsse64_v_f64m2

  52. #define VSSEG2_FLOAT vsseg2e64_v_f64m2

  53. #define VFMACCVF_FLOAT vfmacc_vf_f64m2

  54. #define VFMULVF_FLOAT vfmul_vf_f64m2

  55. #define VFNMSACVF_FLOAT vfnmsac_vf_f64m2

  56. #endif

  57. 

  58. 

  59. static FLOAT dm1 = -1.;

  60. 

  61. #ifdef CONJ

  62. #define GEMM_KERNEL   GEMM_KERNEL_L

  63. #else

  64. #define GEMM_KERNEL   GEMM_KERNEL_N

  65. #endif

  66. 

  67. #if GEMM_DEFAULT_UNROLL_N == 1

  68. #define GEMM_UNROLL_N_SHIFT 0

  69. #endif

  70. 

  71. #if GEMM_DEFAULT_UNROLL_N == 2

  72. #define GEMM_UNROLL_N_SHIFT 1

  73. #endif

  74. 

  75. #if GEMM_DEFAULT_UNROLL_N == 4

  76. #define GEMM_UNROLL_N_SHIFT 2

  77. #endif

  78. 

  79. #if GEMM_DEFAULT_UNROLL_N == 8

  80. #define GEMM_UNROLL_N_SHIFT 3

  81. #endif

  82. 

  83. #if GEMM_DEFAULT_UNROLL_N == 16

  84. #define GEMM_UNROLL_N_SHIFT 4

  85. #endif

  86. 

  87. // Optimizes the implementation in ../arm64/trsm_kernel_LT_sve.c

  88. 

  89. #ifndef COMPLEX

  90. #if GEMM_DEFAULT_UNROLL_N == 1

  91. 

  92. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) 

  93. {

  94.     FLOAT aa, bb;

  95.     FLOAT *pa, *pc;

  96. 

  97.     int i, j, k;

  98.     size_t vl;

  99.     FLOAT_V_T va, vc;

  100.     for (i = 0; i < m; i++)

  101.     {

  102.         aa = *(a + i);

  103.         for (j = 0; j < n; j ++)

  104.         {

  105.             bb = *(c + i + j * ldc);

  106.             bb *= aa;

  107.             *b  = bb;

  108.             *(c + i + j * ldc) = bb;

  109.             b++;

  110.             pa = a + i + 1;

  111.             pc = c + j * ldc + i + 1;

  112.             for (k = (m - i - 1); k > 0; k -= vl)

  113.             {

  114.                 vl = VSETVL(k);

  115.                 vc = VLEV_FLOAT(pc, vl);

  116.                 va = VLEV_FLOAT(pa, vl);

  117.                 vc = VFNMSACVF_FLOAT(vc, bb, va, vl);

  118.                 VSEV_FLOAT(pc, vc, vl);

  119.                 pa += vl;

  120.                 pc += vl;

  121.             }

  122.         }

  123.         a += m;

  124.     }

  125. }

  126. #elif GEMM_DEFAULT_UNROLL_N == 2

  127. 

  128. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) 

  129. {

  130. 

  131.     FLOAT aa, bb0, bb1;

  132.     FLOAT *pa, *pc, *pc0, *pc1;

  133.     FLOAT *pb0, *pb1;

  134. 

  135.     int i, j, k;

  136.     size_t vl;

  137.     FLOAT_V_T va, vc0, vc1;

  138.     for (i = 0; i < m; i++)

  139.     {

  140.         aa = *(a + i);

  141.         pc = c + i;

  142.         for (j = 0; j < n/2; j ++)

  143.         {

  144.             pb0 = pc + j * ldc * 2;

  145.             pb1 = pb0 + ldc;

  146.             bb0 = (*pb0) * aa;

  147.             bb1 = (*pb1) * aa;

  148.             *b      = bb0;

  149.             *(b+1)  = bb1;

  150.             *pb0    = bb0;

  151.             *pb1    = bb1;

  152.             b += 2;

  153.             pa = a + i + 1;

  154.             pc0 = pb0 + 1;

  155.             pc1 = pc0 + ldc;

  156.             for (k = (m - i - 1); k > 0; k -= vl)

  157.             {

  158.                 vl  = VSETVL(k);

  159.                 vc0 = VLEV_FLOAT(pc0, vl);

  160.                 vc1 = VLEV_FLOAT(pc1, vl);

  161.                 va  = VLEV_FLOAT(pa, vl);

  162.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  163.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  164.                 VSEV_FLOAT(pc0, vc0, vl);

  165.                 VSEV_FLOAT(pc1, vc1, vl);

  166.                 pa  += vl;

  167.                 pc0 += vl;

  168.                 pc1 += vl;

  169.             }

  170.         }

  171.         pc += ldc * (n/2) * 2;

  172.         if (n & 1)

  173.         {

  174.             pb0 = pc;

  175.             bb0 = *(pb0);

  176.             bb0 *= aa;

  177.             *b  = bb0;

  178.             *(c + i) = bb0;

  179.             b++;

  180.             pa = a + i + 1;

  181.             pc0 = pb0 + 1;

  182.             for (k = (m - i - 1); k > 0; k -= vl)

  183.             {

  184.                 vl = VSETVL(k);

  185.                 vc0 = VLEV_FLOAT(pc0, vl);

  186.                 va  = VLEV_FLOAT(pa, vl);

  187.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  188.                 VSEV_FLOAT(pc0, vc0, vl);

  189.                 pa  += vl;

  190.                 pc0 += vl;

  191.             }

  192.         }

  193. 

  194.         a += m;

  195.     }

  196. }

  197. #elif GEMM_DEFAULT_UNROLL_N == 4

  198. 

  199. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) 

  200. {

  201. 

  202.     FLOAT aa, bb0, bb1, bb2, bb3;

  203.     FLOAT *pa, *pc;

  204.     FLOAT *pc0, *pc1, *pc2, *pc3;

  205.     FLOAT *pb0, *pb1, *pb2, *pb3;

  206. 

  207.     int i, j, k;

  208.     size_t vl;

  209.     FLOAT_V_T va;

  210.     FLOAT_V_T vc0, vc1, vc2, vc3;

  211.     for (i = 0; i < m; i++)

  212.     {

  213.         aa = *(a + i);

  214.         pc = c + i;

  215.         for (j = 0; j < n/4; j ++)

  216.         {

  217.             pb0 = pc;

  218.             pb1 = pb0 + ldc;

  219.             pb2 = pb1 + ldc;

  220.             pb3 = pb2 + ldc;

  221. 

  222.             bb0 = (*pb0) * aa;

  223.             bb1 = (*pb1) * aa;

  224.             bb2 = (*pb2) * aa;

  225.             bb3 = (*pb3) * aa;

  226. 

  227.             *b      = bb0;

  228.             *(b+1)  = bb1;

  229.             *(b+2)  = bb2;

  230.             *(b+3)  = bb3;

  231. 

  232.             *pb0    = bb0;

  233.             *pb1    = bb1;

  234.             *pb2    = bb2;

  235.             *pb3    = bb3;

  236.             b += 4;

  237. 

  238.             pa = a + i + 1;

  239.             pc0 = pb0 + 1;

  240.             pc1 = pc0 + ldc;

  241.             pc2 = pc1 + ldc;

  242.             pc3 = pc2 + ldc;

  243. 

  244.             for (k = (m - i - 1); k > 0; k -= vl)

  245.             {

  246.                 vl  = VSETVL(k);

  247.                 vc0 = VLEV_FLOAT(pc0, vl);

  248.                 vc1 = VLEV_FLOAT(pc1, vl);

  249.                 vc2 = VLEV_FLOAT(pc2, vl);

  250.                 vc3 = VLEV_FLOAT(pc3, vl);

  251. 

  252.                 va  = VLEV_FLOAT(pa, vl);

  253. 

  254.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  255.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  256.                 vc2 = VFNMSACVF_FLOAT(vc2, bb2, va, vl);

  257.                 vc3 = VFNMSACVF_FLOAT(vc3, bb3, va, vl);

  258. 

  259.                 VSEV_FLOAT(pc0, vc0, vl);

  260.                 VSEV_FLOAT(pc1, vc1, vl);

  261.                 VSEV_FLOAT(pc2, vc2, vl);

  262.                 VSEV_FLOAT(pc3, vc3, vl);

  263. 

  264.                 pa  += vl;

  265.                 pc0 += vl;

  266.                 pc1 += vl;

  267.                 pc2 += vl;

  268.                 pc3 += vl;

  269.             }

  270.         }

  271.         pc += ldc * (n/4) * 4;

  272. 

  273.         if (n & 2)

  274.         {

  275.             pb0 = pc;

  276.             pb1 = pb0 + ldc;

  277.             bb0 = (*pb0) * aa;

  278.             bb1 = (*pb1) * aa;

  279.             *b      = bb0;

  280.             *(b+1)  = bb1;

  281.             *pb0    = bb0;

  282.             *pb1    = bb1;

  283.             b += 2;

  284.             pa = a + i + 1;

  285.             pc0 = pb0 + 1;

  286.             pc1 = pc0 + ldc;

  287.             for (k = (m - i - 1); k > 0; k -= vl)

  288.             {

  289.                 vl  = VSETVL(k);

  290.                 vc0 = VLEV_FLOAT(pc0, vl);

  291.                 vc1 = VLEV_FLOAT(pc1, vl);

  292.                 va  = VLEV_FLOAT(pa, vl);

  293.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  294.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  295.                 VSEV_FLOAT(pc0, vc0, vl);

  296.                 VSEV_FLOAT(pc1, vc1, vl);

  297.                 pa  += vl;

  298.                 pc0 += vl;

  299.                 pc1 += vl;

  300.             }

  301.             pc += ldc * 2;

  302.         }

  303. 

  304.         if (n & 1)

  305.         {

  306.             pb0 = pc;

  307.             bb0 = *(pb0);

  308.             bb0 *= aa;

  309.             *b  = bb0;

  310.             *(c + i) = bb0;

  311.             b++;

  312.             pa = a + i + 1;

  313.             pc0 = pb0 + 1;

  314.             for (k = (m - i - 1); k > 0; k -= vl)

  315.             {

  316.                 vl = VSETVL(k);

  317.                 vc0 = VLEV_FLOAT(pc0, vl);

  318.                 va  = VLEV_FLOAT(pa, vl);

  319.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  320.                 VSEV_FLOAT(pc0, vc0, vl);

  321.                 pa  += vl;

  322.                 pc0 += vl;

  323.             }

  324.         }

  325. 

  326.         a += m;

  327.     }

  328. }

  329. #elif GEMM_DEFAULT_UNROLL_N == 8

  330. 

  331. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) 

  332. {

  333. 

  334.     FLOAT aa, bb0, bb1, bb2, bb3, bb4, bb5, bb6, bb7;

  335.     FLOAT *pa, *pc;

  336.     FLOAT *pc0, *pc1, *pc2, *pc3, *pc4, *pc5, *pc6, *pc7;

  337.     FLOAT *pb0, *pb1, *pb2, *pb3, *pb4, *pb5, *pb6, *pb7;

  338. 

  339.     int i, j, k;

  340.     size_t vl;

  341.     FLOAT_V_T va;

  342.     FLOAT_V_T vc0, vc1, vc2, vc3, vc4, vc5, vc6, vc7;

  343.     for (i = 0; i < m; i++)

  344.     {

  345.         aa = *(a + i);

  346.         pc = c + i;

  347.         for (j = 0; j < n/8; j ++)

  348.         {

  349.             pb0 = pc + j * ldc * 8;

  350.             pb1 = pb0 + ldc;

  351.             pb2 = pb1 + ldc;

  352.             pb3 = pb2 + ldc;

  353.             pb4 = pb3 + ldc;

  354.             pb5 = pb4 + ldc;

  355.             pb6 = pb5 + ldc;

  356.             pb7 = pb6 + ldc;

  357.             

  358.             bb0 = (*pb0) * aa;

  359.             bb1 = (*pb1) * aa;

  360.             bb2 = (*pb2) * aa;

  361.             bb3 = (*pb3) * aa;

  362.             bb4 = (*pb4) * aa;

  363.             bb5 = (*pb5) * aa;

  364.             bb6 = (*pb6) * aa;

  365.             bb7 = (*pb7) * aa;

  366. 

  367.             *b      = bb0;

  368.             *(b+1)  = bb1;

  369.             *(b+2)  = bb2;

  370.             *(b+3)  = bb3;

  371.             *(b+4)  = bb4;

  372.             *(b+5)  = bb5;

  373.             *(b+6)  = bb6;

  374.             *(b+7)  = bb7;

  375. 

  376.             *pb0    = bb0;

  377.             *pb1    = bb1;

  378.             *pb2    = bb2;

  379.             *pb3    = bb3;

  380.             *pb4    = bb4;

  381.             *pb5    = bb5;

  382.             *pb6    = bb6;

  383.             *pb7    = bb7;

  384.             b += 8;

  385. 

  386.             pa = a + i + 1;

  387.             pc0 = pb0 + 1;

  388.             pc1 = pc0 + ldc;

  389.             pc2 = pc1 + ldc;

  390.             pc3 = pc2 + ldc;

  391.             pc4 = pc3 + ldc;

  392.             pc5 = pc4 + ldc;

  393.             pc6 = pc5 + ldc;

  394.             pc7 = pc6 + ldc;

  395. 

  396.             for (k = (m - i - 1); k > 0; k -= vl)

  397.             {

  398.                 vl  = VSETVL(k);

  399.                 vc0 = VLEV_FLOAT(pc0, vl);

  400.                 vc1 = VLEV_FLOAT(pc1, vl);

  401.                 vc2 = VLEV_FLOAT(pc2, vl);

  402.                 vc3 = VLEV_FLOAT(pc3, vl);

  403.                 vc4 = VLEV_FLOAT(pc4, vl);

  404.                 vc5 = VLEV_FLOAT(pc5, vl);

  405.                 vc6 = VLEV_FLOAT(pc6, vl);

  406.                 vc7 = VLEV_FLOAT(pc7, vl);

  407. 

  408.                 va  = VLEV_FLOAT(pa, vl);

  409. 

  410.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  411.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  412.                 vc2 = VFNMSACVF_FLOAT(vc2, bb2, va, vl);

  413.                 vc3 = VFNMSACVF_FLOAT(vc3, bb3, va, vl);

  414.                 vc4 = VFNMSACVF_FLOAT(vc4, bb4, va, vl);

  415.                 vc5 = VFNMSACVF_FLOAT(vc5, bb5, va, vl);

  416.                 vc6 = VFNMSACVF_FLOAT(vc6, bb6, va, vl);

  417.                 vc7 = VFNMSACVF_FLOAT(vc7, bb7, va, vl);

  418. 

  419.                 VSEV_FLOAT(pc0, vc0, vl);

  420.                 VSEV_FLOAT(pc1, vc1, vl);

  421.                 VSEV_FLOAT(pc2, vc2, vl);

  422.                 VSEV_FLOAT(pc3, vc3, vl);

  423.                 VSEV_FLOAT(pc4, vc4, vl);

  424.                 VSEV_FLOAT(pc5, vc5, vl);

  425.                 VSEV_FLOAT(pc6, vc6, vl);

  426.                 VSEV_FLOAT(pc7, vc7, vl);

  427. 

  428.                 pa  += vl;

  429.                 pc0 += vl;

  430.                 pc1 += vl;

  431.                 pc2 += vl;

  432.                 pc3 += vl;

  433.                 pc4 += vl;

  434.                 pc5 += vl;

  435.                 pc6 += vl;

  436.                 pc7 += vl;

  437.             }

  438.         }

  439.         pc += ldc * (n/8) * 8;

  440. 

  441.         if (n & 4)

  442.         {

  443.             pb0 = pc;

  444.             pb1 = pb0 + ldc;

  445.             pb2 = pb1 + ldc;

  446.             pb3 = pb2 + ldc;

  447. 

  448.             bb0 = (*pb0) * aa;

  449.             bb1 = (*pb1) * aa;

  450.             bb2 = (*pb2) * aa;

  451.             bb3 = (*pb3) * aa;

  452. 

  453.             *b      = bb0;

  454.             *(b+1)  = bb1;

  455.             *(b+2)  = bb2;

  456.             *(b+3)  = bb3;

  457. 

  458.             *pb0    = bb0;

  459.             *pb1    = bb1;

  460.             *pb2    = bb2;

  461.             *pb3    = bb3;

  462.             b += 4;

  463. 

  464.             pa = a + i + 1;

  465.             pc0 = pb0 + 1;

  466.             pc1 = pc0 + ldc;

  467.             pc2 = pc1 + ldc;

  468.             pc3 = pc2 + ldc;

  469. 

  470.             for (k = (m - i - 1); k > 0; k -= vl)

  471.             {

  472.                 vl  = VSETVL(k);

  473.                 vc0 = VLEV_FLOAT(pc0, vl);

  474.                 vc1 = VLEV_FLOAT(pc1, vl);

  475.                 vc2 = VLEV_FLOAT(pc2, vl);

  476.                 vc3 = VLEV_FLOAT(pc3, vl);

  477. 

  478.                 va  = VLEV_FLOAT(pa, vl);

  479. 

  480.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  481.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  482.                 vc2 = VFNMSACVF_FLOAT(vc2, bb2, va, vl);

  483.                 vc3 = VFNMSACVF_FLOAT(vc3, bb3, va, vl);

  484. 

  485.                 VSEV_FLOAT(pc0, vc0, vl);

  486.                 VSEV_FLOAT(pc1, vc1, vl);

  487.                 VSEV_FLOAT(pc2, vc2, vl);

  488.                 VSEV_FLOAT(pc3, vc3, vl);

  489. 

  490.                 pa  += vl;

  491.                 pc0 += vl;

  492.                 pc1 += vl;

  493.                 pc2 += vl;

  494.                 pc3 += vl;

  495.             }

  496.             pc += ldc * 4;

  497.         }

  498. 

  499.         if (n & 2)

  500.         {

  501.             pb0 = pc;

  502.             pb1 = pb0 + ldc;

  503.             bb0 = (*pb0) * aa;

  504.             bb1 = (*pb1) * aa;

  505.             *b      = bb0;

  506.             *(b+1)  = bb1;

  507.             *pb0    = bb0;

  508.             *pb1    = bb1;

  509.             b += 2;

  510.             pa = a + i + 1;

  511.             pc0 = pb0 + 1;

  512.             pc1 = pc0 + ldc;

  513.             for (k = (m - i - 1); k > 0; k -= vl)

  514.             {

  515.                 vl  = VSETVL(k);

  516.                 vc0 = VLEV_FLOAT(pc0, vl);

  517.                 vc1 = VLEV_FLOAT(pc1, vl);

  518.                 va  = VLEV_FLOAT(pa, vl);

  519.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  520.                 vc1 = VFNMSACVF_FLOAT(vc1, bb1, va, vl);

  521.                 VSEV_FLOAT(pc0, vc0, vl);

  522.                 VSEV_FLOAT(pc1, vc1, vl);

  523.                 pa  += vl;

  524.                 pc0 += vl;

  525.                 pc1 += vl;

  526.             }

  527.             pc += ldc * 2;

  528.         }

  529. 

  530.         if (n & 1)

  531.         {

  532.             pb0 = pc;

  533.             bb0 = *(pb0);

  534.             bb0 *= aa;

  535.             *b  = bb0;

  536.             *(c + i) = bb0;

  537.             b++;

  538.             pa = a + i + 1;

  539.             pc0 = pb0 + 1;

  540.             for (k = (m - i - 1); k > 0; k -= vl)

  541.             {

  542.                 vl = VSETVL(k);

  543.                 vc0 = VLEV_FLOAT(pc0, vl);

  544.                 va  = VLEV_FLOAT(pa, vl);

  545.                 vc0 = VFNMSACVF_FLOAT(vc0, bb0, va, vl);

  546.                 VSEV_FLOAT(pc0, vc0, vl);

  547.                 pa  += vl;

  548.                 pc0 += vl;

  549.             }

  550.         }

  551. 

  552.         a += m;

  553.     }

  554. }

  555. 

  556. #else

  557. 

  558. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) {

  559. 

  560.   FLOAT aa, bb;

  561. 

  562.   int i, j, k;

  563. 

  564.   for (i = 0; i < m; i++) {

  565. 

  566.     aa = *(a + i);

  567. 

  568.     for (j = 0; j < n; j ++) {

  569.       bb = *(c + i + j * ldc);

  570.       bb *= aa;

  571.       *b             = bb;

  572.       *(c + i + j * ldc) = bb;

  573.       b ++;

  574. 

  575.       for (k = i + 1; k < m; k ++){

  576. 	*(c + k + j * ldc) -= bb * *(a + k);

  577.       }

  578. 

  579.     }

  580.     a += m;

  581.   }

  582. }

  583. 

  584. #endif

  585. 

  586. #else

  587. 

  588. static inline void solve(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) {

  589. 

  590.   FLOAT aa1, aa2;

  591.   FLOAT bb1, bb2;

  592.   FLOAT cc1, cc2;

  593. 

  594.   int i, j, k;

  595. 

  596.   ldc *= 2;

  597. 

  598.   for (i = 0; i < m; i++) {

  599. 

  600.     aa1 = *(a + i * 2 + 0);

  601.     aa2 = *(a + i * 2 + 1);

  602. 

  603.     for (j = 0; j < n; j ++) {

  604.       bb1 = *(c + i * 2 + 0 + j * ldc);

  605.       bb2 = *(c + i * 2 + 1 + j * ldc);

  606. 

  607. #ifndef CONJ

  608.       cc1 = aa1 * bb1 - aa2 * bb2;

  609.       cc2 = aa1 * bb2 + aa2 * bb1;

  610. #else

  611.       cc1 = aa1 * bb1 + aa2 * bb2;

  612.       cc2 = aa1 * bb2 - aa2 * bb1;

  613. #endif

  614. 

  615.       *(b + 0) = cc1;

  616.       *(b + 1) = cc2;

  617.       *(c + i * 2 + 0 + j * ldc) = cc1;

  618.       *(c + i * 2 + 1 + j * ldc) = cc2;

  619.       b += 2;

  620. 

  621.       for (k = i + 1; k < m; k ++){

  622. #ifndef CONJ

  623. 	*(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) - cc2 * *(a + k * 2 + 1);

  624. 	*(c + k * 2 + 1 + j * ldc) -= cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0);

  625. #else

  626. 	*(c + k * 2 + 0 + j * ldc) -= cc1 * *(a + k * 2 + 0) + cc2 * *(a + k * 2 + 1);

  627. 	*(c + k * 2 + 1 + j * ldc) -= -cc1 * *(a + k * 2 + 1) + cc2 * *(a + k * 2 + 0);

  628. #endif

  629.       }

  630. 

  631.     }

  632.     a += m * 2;

  633.   }

  634. }

  635. 

  636. 

  637. static inline void solve_N1(BLASLONG m, BLASLONG n, FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc) {

  638. 

  639.   FLOAT aa1, aa2;

  640.   FLOAT bb1, bb2;

  641.   FLOAT cc1, cc2;

  642.   FLOAT *pa, *pc;

  643. 

  644.   int i, j, k;

  645. 

  646.   size_t vl;

  647.   FLOAT_V_T va0, va1, vc0, vc1;

  648. 

  649.   ldc *= 2;

  650. 

  651.   for (i = 0; i < m; i++) {

  652. 

  653.     aa1 = *(a + i * 2 + 0);

  654.     aa2 = *(a + i * 2 + 1);

  655. 

  656.     for (j = 0; j < n; j ++) {

  657.       bb1 = *(c + i * 2 + 0 + j * ldc);

  658.       bb2 = *(c + i * 2 + 1 + j * ldc);

  659. 

  660. #ifndef CONJ

  661.       cc1 = aa1 * bb1 - aa2 * bb2;

  662.       cc2 = aa1 * bb2 + aa2 * bb1;

  663. #else

  664.       cc1 = aa1 * bb1 + aa2 * bb2;

  665.       cc2 = aa1 * bb2 - aa2 * bb1;

  666. #endif

  667. 

  668.       *(b + 0) = cc1;

  669.       *(b + 1) = cc2;

  670.       *(c + i * 2 + 0 + j * ldc) = cc1;

  671.       *(c + i * 2 + 1 + j * ldc) = cc2;

  672.       b += 2;

  673. 

  674.         pa = a + (i + 1) * 2;

  675.         pc = c + j * ldc + (i + 1) * 2;

  676.         for (k = (m - i - 1); k > 0; k -= vl)

  677.         {

  678.             vl = VSETVL(k);

  679.             VLSEG2_FLOAT(&va0, &va1, pa, vl);

  680.             VLSEG2_FLOAT(&vc0, &vc1, pc, vl);

  681. #ifndef CONJ

  682.             vc0 = VFNMSACVF_FLOAT(vc0, cc1, va0);

  683.             vc0 = VFMACCVF_FLOAT(vc0, cc2, va1);

  684.             vc1 = VFNMSACVF_FLOAT(vc1, cc1, va1);

  685.             vc1 = VFNMSACVF_FLOAT(vc1, cc2, va0);

  686. #else

  687.             vc0 = VFNMSACVF_FLOAT(vc0, cc1, va0);

  688.             vc0 = VFNMSACVF_FLOAT(vc0, cc2, va1);

  689.             vc1 = VFMACCVF_FLOAT(vc1, cc1, va1);

  690.             vc1 = VFNMSACVF_FLOAT(vc1, cc2, va0);

  691. #endif

  692.             VSSEG2_FLOAT(pc, vc0, vc1, vl);

  693.             pa += vl * 2;

  694.             pc += vl * 2;

  695.         }

  696.       }

  697.     }

  698.     a += m * 2;

  699.   }

  700. }

  701. 

  702. #endif

  703. 

  704. 

  705. int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT dummy1,

  706. #ifdef COMPLEX

  707. 	   FLOAT dummy2,

  708. #endif

  709. 	   FLOAT *a, FLOAT *b, FLOAT *c, BLASLONG ldc, BLASLONG offset){

  710. 

  711.   FLOAT *aa, *cc;

  712.   BLASLONG  kk;

  713.   BLASLONG i, j;

  714. 

  715.   size_t vl = VSETVL_MAX;

  716. 

  717.   //fprintf(stderr, "%s , %s, m = %4ld  n = %4ld  k = %4ld offset = %4ld\n", __FILE__, __FUNCTION__, m, n, k, offset); // Debug

  718. 

  719.   j = (n >> GEMM_UNROLL_N_SHIFT);

  720. 

  721.   while (j > 0) {

  722. 

  723.     kk = offset;

  724.     aa = a;

  725.     cc = c;

  726. 

  727.     i = vl;

  728. 

  729.     while (i <= m) {

  730. 

  731.       if (kk > 0) {

  732.         GEMM_KERNEL(vl, GEMM_UNROLL_N, kk, dm1,

  733. #ifdef COMPLEX

  734.             ZERO,

  735. #endif

  736.             aa, b, cc, ldc);

  737.       }

  738. 

  739.       solve(vl, GEMM_UNROLL_N,

  740.           aa + kk * vl * COMPSIZE,

  741.           b  + kk * GEMM_UNROLL_N * COMPSIZE,

  742.           cc, ldc);

  743. 

  744.       aa += vl * k * COMPSIZE;

  745.       cc += vl     * COMPSIZE;

  746.       kk += vl;

  747.       i += vl;

  748.     }

  749. 

  750.     i = m % vl;

  751.     if (i) {

  752.       if (kk > 0) {

  753.         GEMM_KERNEL(i, GEMM_UNROLL_N, kk, dm1,

  754. #ifdef COMPLEX

  755.             ZERO,

  756. #endif

  757.             aa, b, cc, ldc);

  758.       }

  759.       solve(i, GEMM_UNROLL_N,

  760.           aa + kk * i             * COMPSIZE,

  761.           b  + kk * GEMM_UNROLL_N * COMPSIZE,

  762.           cc, ldc);

  763. 

  764.       aa += i * k * COMPSIZE;

  765.       cc += i     * COMPSIZE;

  766.       kk += i;

  767. 

  768.     }

  769. 

  770.     b += GEMM_UNROLL_N * k   * COMPSIZE;

  771.     c += GEMM_UNROLL_N * ldc * COMPSIZE;

  772.     j --;

  773.   }

  774. 

  775.   if (n & (GEMM_UNROLL_N - 1)) {

  776. 

  777.     j = (GEMM_UNROLL_N >> 1);

  778.     while (j > 0) {

  779.       if (n & j) {

  780. 

  781.         kk = offset;

  782.         aa = a;

  783.         cc = c;

  784. 

  785.         i = vl;

  786. 

  787.         while (i <= m) {

  788.           if (kk > 0) {

  789.             GEMM_KERNEL(vl, j, kk, dm1,

  790. #ifdef COMPLEX

  791.                 ZERO,

  792. #endif

  793.                 aa,

  794.                 b,

  795.                 cc,

  796.                 ldc);

  797.           }

  798. 

  799.           solve(vl, j,

  800.               aa + kk * vl * COMPSIZE,

  801.               b  + kk * j             * COMPSIZE, cc, ldc);

  802. 

  803.           aa += vl * k * COMPSIZE;

  804.           cc += vl     * COMPSIZE;

  805.           kk += vl;

  806.           i += vl;

  807.         }

  808. 

  809.         i = m % vl;

  810.         if (i) {

  811.           if (kk > 0) {

  812.             GEMM_KERNEL(i, j, kk, dm1,

  813. #ifdef COMPLEX

  814.                 ZERO,

  815. #endif

  816.                 aa,

  817.                 b,

  818.                 cc,

  819.                 ldc);

  820.           }

  821. 

  822.           solve(i, j,

  823.               aa + kk * i * COMPSIZE,

  824.               b  + kk * j * COMPSIZE, cc, ldc);

  825. 

  826.           aa += i * k * COMPSIZE;

  827.           cc += i     * COMPSIZE;

  828.           kk += i;

  829. 

  830.         }

  831. 

  832.         b += j * k   * COMPSIZE;

  833.         c += j * ldc * COMPSIZE;

  834.       }

  835.       j >>= 1;

  836.     }

  837.   }

  838. 

  839.   return 0;

  840. }