@@ -88,6 +88,83 @@ vec4 dequantize4(uint ib, uint iqs, uint a_offset) {
8888}
8989#endif
9090
91+ #if defined(DATA_A_IQ1_S)
92+ vec2 dequantize(uint ib, uint iqs, uint a_offset) {
93+ const uint ib32 = iqs / 32;
94+ const uint ib8 = iqs / 8;
95+ const int i8 = int(iqs % 8);
96+ const uint qh = data_a[a_offset + ib].qh[ib32];
97+ const uint qs = data_a[a_offset + ib].qs[ib8];
98+ const float dl = float(2 * bitfieldExtract(qh, 12, 3) + 1);
99+ const float delta = ((qh & 0x8000) != 0) ? -IQ1S_DELTA : IQ1S_DELTA;
100+ const uint idxhi = bitfieldExtract(qh, 3 * int(ib8 & 3), 3);
101+ const int16_t grid = int16_t(iq1s_grid[qs | (idxhi << 8)]);
102+ // Signed bitfield extract.
103+ const ivec2 gvec = ivec2(
104+ bitfieldExtract(grid, 2 * (i8), 2),
105+ bitfieldExtract(grid, 2 * (i8 + 1), 2)
106+ );
107+ return dl * (vec2(gvec) + delta);
108+ }
109+ vec4 dequantize4(uint ib, uint iqs, uint a_offset) {
110+ const uint ib32 = iqs / 32;
111+ const uint ib8 = iqs / 8;
112+ const int i8 = int(iqs % 8);
113+ const uint qh = data_a[a_offset + ib].qh[ib32];
114+ const uint qs = data_a[a_offset + ib].qs[ib8];
115+ const float dl = 2 * bitfieldExtract(qh, 12, 3) + 1;
116+ const float delta = ((qh & 0x8000) != 0) ? -IQ1S_DELTA : IQ1S_DELTA;
117+ const int16_t grid = int16_t(iq1s_grid[qs | (bitfieldExtract(qh, 3 * int(ib8 & 3), 3) << 8)]);
118+ // Signed bitfield extract.
119+ const ivec4 gvec = ivec4(
120+ bitfieldExtract(grid, 2 * (i8), 2),
121+ bitfieldExtract(grid, 2 * (i8 + 1), 2),
122+ bitfieldExtract(grid, 2 * (i8 + 2), 2),
123+ bitfieldExtract(grid, 2 * (i8 + 3), 2)
124+ );
125+ return dl * (vec4(gvec) + delta);
126+ }
127+ #endif
128+
129+ #if defined(DATA_A_IQ1_M)
130+ vec2 dequantize(uint ib, uint iqs, uint a_offset) {
131+ const uint ib8 = iqs / 8;
132+ const uint ib16 = iqs / 16;
133+ const int i8 = int(iqs % 8);
134+ const uint sc = data_a[a_offset + ib].scales[iqs / 64];
135+ const uint qs = data_a[a_offset + ib].qs[ib8];
136+ const uint qh = data_a[a_offset + ib].qh[ib16] >> (4 * (ib8 & 1));
137+ const float dl = 2 * bitfieldExtract(sc, 3 * int(ib16 & 3), 3) + 1;
138+ const float delta = ((qh & 8) != 0) ? -IQ1M_DELTA : IQ1M_DELTA;
139+ const int16_t grid = int16_t(iq1s_grid[qs | ((qh & 7) << 8)]);
140+ // Signed bitfield extract.
141+ const ivec2 gvec = ivec2(
142+ bitfieldExtract(grid, 2 * (i8), 2),
143+ bitfieldExtract(grid, 2 * (i8 + 1), 2)
144+ );
145+ return dl * (vec2(gvec) + delta);
146+ }
147+ vec4 dequantize4(uint ib, uint iqs, uint a_offset) {
148+ const uint ib8 = iqs / 8;
149+ const uint ib16 = iqs / 16;
150+ const int i8 = int(iqs % 8);
151+ const uint sc = data_a[a_offset + ib].scales[iqs / 64];
152+ const uint qs = data_a[a_offset + ib].qs[ib8];
153+ const uint qh = data_a[a_offset + ib].qh[ib16] >> (4 * (ib8 & 1));
154+ const float dl = 2 * bitfieldExtract(sc, 3 * int(ib16 & 3), 3) + 1;
155+ const float delta = ((qh & 8) != 0) ? -IQ1M_DELTA : IQ1M_DELTA;
156+ const int16_t grid = int16_t(iq1s_grid[qs | ((qh & 7) << 8)]);
157+ // Signed bitfield extract.
158+ const ivec4 gvec = ivec4(
159+ bitfieldExtract(grid, 2 * (i8), 2),
160+ bitfieldExtract(grid, 2 * (i8 + 1), 2),
161+ bitfieldExtract(grid, 2 * (i8 + 2), 2),
162+ bitfieldExtract(grid, 2 * (i8 + 3), 2)
163+ );
164+ return dl * (vec4(gvec) + delta);
165+ }
166+ #endif
167+
91168#if defined(DATA_A_IQ2_XXS)
92169vec2 dequantize(uint ib, uint iqs, uint a_offset) {
93170 const uint ib32 = iqs / 32;
@@ -357,7 +434,16 @@ vec2 get_dm(uint ib, uint a_offset) {
357434}
358435#endif
359436
360- #if defined(DATA_A_Q4_0) || defined(DATA_A_Q5_0) || defined(DATA_A_Q8_0) || defined(DATA_A_IQ2_XXS) || defined(DATA_A_IQ2_XS) || defined(DATA_A_IQ2_S) || defined(DATA_A_IQ3_XXS) || defined(DATA_A_IQ3_S) || defined(DATA_A_IQ4_XS) || defined(DATA_A_IQ4_NL)
437+ #if defined(DATA_A_IQ1_M)
438+ vec2 get_dm(uint ib, uint a_offset) {
439+ const uint16_t[4] scales = data_a[a_offset + ib].scales;
440+ const u16vec4 s = u16vec4(scales[0], scales[1], scales[2], scales[3]) >> 12;
441+ const float d = float(unpackHalf2x16(s.x | (s.y << 4) | (s.z << 8) | (s.w << 12)).x);
442+ return vec2(d, 0);
443+ }
444+ #endif
445+
446+ #if defined(DATA_A_Q4_0) || defined(DATA_A_Q5_0) || defined(DATA_A_Q8_0) || defined(DATA_A_IQ1_S) || defined(DATA_A_IQ2_XXS) || defined(DATA_A_IQ2_XS) || defined(DATA_A_IQ2_S) || defined(DATA_A_IQ3_XXS) || defined(DATA_A_IQ3_S) || defined(DATA_A_IQ4_XS) || defined(DATA_A_IQ4_NL)
361447vec2 get_dm(uint ib, uint a_offset) {
362448 return vec2(float(data_a[a_offset + ib].d), 0);
363449}
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