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#if !defined(DATA_A_F32) && !defined(DATA_A_F16) | |
#extension GL_EXT_shader_explicit_arithmetic_types_int8 : require | |
#endif | |
#if defined(DATA_A_F32) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
return vec2(data_a[a_offset + ib], data_a[a_offset + ib + 1]); | |
} | |
#endif | |
#if defined(DATA_A_F16) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
return vec2(data_a[a_offset + ib], data_a[a_offset + ib + 1]); | |
} | |
#endif | |
#if defined(DATA_A_Q4_0) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
const uint vui = uint(data_a[a_offset + ib].qs[iqs]); | |
return (vec2(vui & 0xF, vui >> 4) - 8.0f) * d; | |
} | |
#endif | |
#if defined(DATA_A_Q4_1) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
const float m = float(data_a[a_offset + ib].m); | |
const uint vui = uint(data_a[a_offset + ib].qs[iqs]); | |
return vec2(vui & 0xF, vui >> 4) * d + m; | |
} | |
#endif | |
#if defined(DATA_A_Q5_0) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
const uint uint_qh = uint(data_a[a_offset + ib].qh[1]) << 16 | data_a[a_offset + ib].qh[0]; | |
const ivec2 qh = ivec2(((uint_qh >> iqs) << 4) & 0x10, (uint_qh >> (iqs + 12)) & 0x10); | |
const uint vui = uint(data_a[a_offset + ib].qs[iqs]); | |
return (vec2((vui & 0xF) | qh.x, (vui >> 4) | qh.y) - 16.0f) * d; | |
} | |
#endif | |
#if defined(DATA_A_Q5_1) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
const float m = float(data_a[a_offset + ib].m); | |
const uint uint_qh = data_a[a_offset + ib].qh; | |
const ivec2 qh = ivec2(((uint_qh >> iqs) << 4) & 0x10, (uint_qh >> (iqs + 12)) & 0x10); | |
const uint vui = uint(data_a[a_offset + ib].qs[iqs]); | |
return vec2((vui & 0xF) | qh.x, (vui >> 4) | qh.y) * d + m; | |
} | |
#endif | |
#if defined(DATA_A_Q8_0) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
return vec2(int(data_a[a_offset + ib].qs[iqs]), int(data_a[a_offset + ib].qs[iqs + 1])) * d; | |
} | |
#endif | |
#if defined(DATA_A_IQ4_NL) | |
vec2 dequantize(uint ib, uint iqs, uint a_offset) { | |
const float d = float(data_a[a_offset + ib].d); | |
const uint vui = uint(data_a[a_offset + ib].qs[iqs]); | |
return vec2(kvalues_iq4nl[vui & 0xF], kvalues_iq4nl[vui >> 4]) * d; | |
} | |
#endif | |