1 // Auto-generated file. Do not edit!
2 // Template: src/f32-spmm/neon.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2019 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/spmm.h>
15
16
xnn_f32_spmm_minmax_ukernel_4x1__neonfma(size_t mc,size_t nc,const float * restrict input,const float * restrict weights,const int32_t * restrict widx_dmap,const uint32_t * restrict nidx_nnzmap,float * restrict output,size_t output_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_spmm_minmax_ukernel_4x1__neonfma(
18 size_t mc,
19 size_t nc,
20 const float*restrict input,
21 const float*restrict weights,
22 const int32_t*restrict widx_dmap,
23 const uint32_t*restrict nidx_nnzmap,
24 float*restrict output,
25 size_t output_stride,
26 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
27 {
28 assert(mc != 0);
29 assert(mc % sizeof(float) == 0);
30 assert(nc != 0);
31
32 const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min);
33 const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max);
34 size_t output_decrement = output_stride * nc - 4 * sizeof(float);
35 while XNN_LIKELY(mc >= 4 * sizeof(float)) {
36 const float*restrict w = weights;
37 const int32_t* dmap = widx_dmap;
38 const uint32_t* nnzmap = nidx_nnzmap;
39 size_t n = nc;
40 do {
41 uint32_t nnz = *nnzmap++;
42 float32x4_t vacc0123 = vld1q_dup_f32(w); w += 1;
43 if XNN_LIKELY(nnz != 0) {
44 do {
45 const intptr_t diff = *dmap++;
46 const float32x4_t vi0123 = vld1q_f32(input);
47 input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
48 __builtin_prefetch(input + 16);
49 const float32x4_t vw = vld1q_dup_f32(w); w += 1;
50 __builtin_prefetch(w + 32);
51 vacc0123 = vfmaq_f32(vacc0123, vi0123, vw);
52 } while (--nnz != 0);
53 }
54 float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
55 vout0123 = vmaxq_f32(vout0123, vmin);
56 vst1q_f32(output, vout0123);
57 output = (float*restrict) ((uintptr_t) output + output_stride);
58 } while (--n != 0);
59 output = (float*restrict) ((uintptr_t) output - output_decrement);
60 input += 4;
61 mc -= 4 * sizeof(float);
62 }
63 if XNN_UNLIKELY(mc != 0) {
64 output_decrement += 2 * sizeof(float);
65 if (mc & (2 * sizeof(float))) {
66 const float*restrict w = weights;
67 const int32_t* dmap = widx_dmap;
68 const uint32_t* nnzmap = nidx_nnzmap;
69 size_t n = nc;
70 do {
71 uint32_t nnz = *nnzmap++;
72 float32x2_t vacc01 = vld1_dup_f32(w); w += 1;
73 if XNN_LIKELY(nnz != 0) {
74 do {
75 const intptr_t diff = *dmap++;
76 const float32x2_t vi01 = vld1_f32(input);
77 input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
78 const float32x2_t vw = vld1_dup_f32(w); w += 1;
79 vacc01 = vfma_f32(vacc01, vi01, vw);
80 } while (--nnz != 0);
81 }
82 float32x2_t vout01 = vmin_f32(vacc01, vget_low_f32(vmax));
83 vout01 = vmax_f32(vout01, vget_low_f32(vmin));
84 vst1_f32(output, vout01);
85 output = (float*restrict) ((uintptr_t) output + output_stride);
86 } while (--n != 0);
87 output = (float*restrict) ((uintptr_t) output - output_decrement);
88 input += 2;
89 }
90 output_decrement += 1 * sizeof(float);
91 if (mc & (1 * sizeof(float))) {
92 const float*restrict w = weights;
93 const int32_t* dmap = widx_dmap;
94 const uint32_t* nnzmap = nidx_nnzmap;
95 size_t n = nc;
96 do {
97 uint32_t nnz = *nnzmap++;
98 float32x2_t vacc0 = vld1_dup_f32(w); w += 1;
99 if XNN_LIKELY(nnz != 0) {
100 do {
101 const intptr_t diff = *dmap++;
102 const float32x2_t vi0 = vld1_dup_f32(input);
103 input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
104 const float32x2_t vw = vld1_dup_f32(w); w += 1;
105 vacc0 = vfma_f32(vacc0, vi0, vw);
106 } while (--nnz != 0);
107 }
108 float32x2_t vout0 = vmin_f32(vacc0, vget_low_f32(vmax));
109 vout0 = vmax_f32(vout0, vget_low_f32(vmin));
110 vst1_lane_f32(output, vout0, 0);
111 output = (float*restrict) ((uintptr_t) output + output_stride);
112 } while (--n != 0);
113 output = (float*restrict) ((uintptr_t) output - output_decrement);
114 input += 1;
115 }
116 }
117 }
118