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Diffstat (limited to 'llama.cpp/ggml/src/ggml-webgpu/wgsl-shaders/get_rows.tmpl.wgsl')
| -rw-r--r-- | llama.cpp/ggml/src/ggml-webgpu/wgsl-shaders/get_rows.tmpl.wgsl | 874 |
1 files changed, 874 insertions, 0 deletions
diff --git a/llama.cpp/ggml/src/ggml-webgpu/wgsl-shaders/get_rows.tmpl.wgsl b/llama.cpp/ggml/src/ggml-webgpu/wgsl-shaders/get_rows.tmpl.wgsl new file mode 100644 index 0000000..f80ce1f --- /dev/null +++ b/llama.cpp/ggml/src/ggml-webgpu/wgsl-shaders/get_rows.tmpl.wgsl @@ -0,0 +1,874 @@ +#define(VARIANTS) + +[ + { + "SHADER_SUFFIX": "f32_vec", + "REPLS": { + "TYPE" : "vec4<f32>", + "DST_TYPE": "vec4<f32>", + "BLOCK_SIZE": 4 + }, + "DECLS": ["F32_VEC"] + }, + { + "REPLS": { + "TYPE" : "f32", + "DST_TYPE": "f32", + "BLOCK_SIZE": 1 + }, + "DECLS": ["F32"] + }, + { + "REPLS": { + "TYPE" : "f16", + "DST_TYPE": "f32", + "BLOCK_SIZE": 1 + }, + "DECLS": ["F16"] + }, + { + "REPLS": { + "TYPE" : "i32", + "DST_TYPE": "i32", + "BLOCK_SIZE": 1 + }, + "DECLS": ["I32"] + }, + { + "REPLS": { + "TYPE" : "q4_0", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32 + }, + "DECLS": ["BYTE_HELPERS", "Q4_0_T", "Q4_0"] + }, + { + "REPLS": { + "TYPE" : "q4_1", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32 + }, + "DECLS": ["BYTE_HELPERS", "Q4_1_T", "Q4_1"] + }, + { + "REPLS": { + "TYPE" : "q5_0", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32 + }, + "DECLS": ["BYTE_HELPERS", "Q5_0_T", "Q5_0"] + }, + { + "REPLS": { + "TYPE" : "q5_1", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32 + }, + "DECLS": ["BYTE_HELPERS", "Q5_1_T", "Q5_1"] + }, + { + "REPLS": { + "TYPE" : "q8_0", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32 + }, + "DECLS": ["BYTE_HELPERS", "Q8_0_T", "Q8_0"] + }, + { + "REPLS": { + "TYPE" : "q2_k", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "Q2_K_T", "Q2_K"] + }, + { + "REPLS": { + "TYPE" : "q3_k", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "Q3_K_T", "Q3_K"] + }, + { + "REPLS": { + "TYPE" : "q4_k", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["Q45_K_SCALE_MIN", "BYTE_HELPERS", "Q4_K_T", "Q4_K"] + }, + { + "REPLS": { + "TYPE" : "q5_k", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["Q45_K_SCALE_MIN", "BYTE_HELPERS", "Q5_K_T", "Q5_K"] + }, + { + "REPLS": { + "TYPE" : "q6_k", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "Q6_K_T", "Q6_K"] + }, + { + "REPLS": { + "TYPE" : "iq2_xxs", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ23_TABLES", "IQ2_XXS_GRID", "IQ2_XXS_T", "IQ2_XXS"] + }, + { + "REPLS": { + "TYPE" : "iq2_xs", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ23_TABLES", "IQ2_XS_GRID", "IQ2_XS_T", "IQ2_XS"] + }, + { + "REPLS": { + "TYPE": "iq2_s", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ23_TABLES", "IQ2_S_GRID", "IQ2_S_T", "IQ2_S"] + }, + { + "REPLS": { + "TYPE": "iq3_xxs", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ23_TABLES", "IQ3_XSS_GRID", "IQ3_XSS_T", "IQ3_XSS"] + }, + { + "REPLS": { + "TYPE": "iq3_s", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ23_TABLES", "IQ3_S_GRID", "IQ3_S_T", "IQ3_S"] + }, + { + "REPLS": { + "TYPE": "iq1_s", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ1_GRID", "IQ1_S_T", "IQ1_S"] + }, + { + "REPLS": { + "TYPE": "iq1_m", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256 + }, + "DECLS": ["BYTE_HELPERS", "IQ1_GRID", "IQ1_M_T", "IQ1_M"] + }, + { + "REPLS": { + "TYPE": "iq4_nl", + "DST_TYPE": "f32", + "BLOCK_SIZE": 32, + }, + "DECLS": ["BYTE_HELPERS", "IQ4_GRID", "IQ4_NL_T", "IQ4_NL"] + }, + { + "REPLS": { + "TYPE": "iq4_xs", + "DST_TYPE": "f32", + "BLOCK_SIZE": 256, + }, + "DECLS": ["BYTE_HELPERS", "IQ4_GRID", "IQ4_XS_T", "IQ4_XS"] + } +] + +#end(VARIANTS) + +#define(DECLS) + +#decl(F32_VEC) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + dst[(dst_base / 4) + offset] = src[(src_base / 4) + offset]; +} +#enddecl(F32_VEC) + +#decl(F32) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + dst[dst_base + offset] = src[src_base + offset]; +} +#enddecl(F32) + +#decl(F16) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + dst[dst_base + offset] = f32(src[src_base + offset]); +} +#enddecl(F16) + +#decl(I32) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + dst[dst_base + offset] = src[src_base + offset]; +} +#enddecl(I32) + +#decl(Q4_0) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block_q4_0 = src[src_base + offset]; + let d = f32(block_q4_0.d); + for (var j: u32 = 0; j < 4; j++) { + let q_packed = bitcast<u32>(vec2(block_q4_0.qs[2 * j], block_q4_0.qs[2 * j + 1])); + for (var k: u32 = 0; k < 4; k++) { + let q_byte = get_byte(q_packed, k); + let q_hi = (f32((q_byte >> 4) & 0xF) - 8.0f) * d; + let q_lo = (f32(q_byte & 0xF) - 8.0f) * d; + let dst_offset = dst_base + offset * 32 + j * 4 + k; + dst[dst_offset] = q_lo; + dst[dst_offset + 16] = q_hi; + } + } +} +#enddecl(Q4_0) + +#decl(Q4_1) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block_q4_1 = src[src_base + offset]; + let d = f32(block_q4_1.d); + let m = f32(block_q4_1.m); + for (var j: u32 = 0; j < 4; j++) { + let q_packed = block_q4_1.qs[j]; + for (var k: u32 = 0; k < 4; k++) { + let q_byte = get_byte(q_packed, k); + let q_hi = f32((q_byte >> 4) & 0xF) * d + m; + let q_lo = f32(q_byte & 0xF) * d + m; + let dst_offset = dst_base + offset * 32 + j * 4 + k; + dst[dst_offset] = q_lo; + dst[dst_offset + 16] = q_hi; + } + } +} +#enddecl(Q4_1) + +#decl(Q5_0) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block_q5_0 = src[src_base + offset]; + let d = f32(block_q5_0.d); + let qh_packed = bitcast<u32>(vec2(block_q5_0.qh[0], block_q5_0.qh[1])); + for (var j: u32 = 0; j < 4; j++) { + let q_packed = bitcast<u32>(vec2(block_q5_0.qs[2 * j], block_q5_0.qs[2 * j + 1])); + for (var k: u32 = 0; k < 4; k++) { + let q_byte = get_byte(q_packed, k); + let qh_hi = (qh_packed >> (j * 4 + k + 12)) & 0x10; + let q_hi = (f32(((q_byte >> 4) & 0xF) | qh_hi) - 16.0) * d; + let qh_lo = ((qh_packed >> (j * 4 + k)) << 4) & 0x10; + let q_lo = (f32((q_byte & 0xF) | qh_lo) - 16.0) * d; + let dst_offset = dst_base + offset * 32 + j * 4 + k; + dst[dst_offset] = q_lo; + dst[dst_offset + 16] = q_hi; + } + } +} + +#enddecl(Q5_0) + +#decl(Q5_1) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block_q5_1 = src[src_base + offset]; + let d = f32(block_q5_1.d); + let m = f32(block_q5_1.m); + for (var j: u32 = 0; j < 4; j++) { + let q_packed = block_q5_1.qs[j]; + for (var k: u32 = 0; k < 4; k++) { + let q_byte = get_byte(q_packed, k); + let qh_hi = (block_q5_1.qh >> (j * 4 + k + 12)) & 0x10; + let q_hi = f32(((q_byte >> 4) & 0xF) | qh_hi) * d + m; + let qh_lo = ((block_q5_1.qh >> (j * 4 + k)) << 4) & 0x10; + let q_lo = f32((q_byte & 0xF) | qh_lo) * d + m; + let dst_offset = dst_base + offset * 32 + j * 4 + k; + dst[dst_offset] = q_lo; + dst[dst_offset + 16] = q_hi; + } + } +} +#enddecl(Q5_1) + +#decl(Q8_0) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block_q8_0 = src[src_base + offset]; + let d = f32(block_q8_0.d); + for (var j: u32 = 0; j < 8; j++) { + let q_packed = bitcast<u32>(vec2(block_q8_0.qs[2 * j], block_q8_0.qs[2 * j + 1])); + for (var k: u32 = 0; k < 4; k++) { + let q_byte = get_byte_i32(q_packed, k); + let q_val = f32(q_byte) * d; + let dst_offset = dst_base + offset * 32 + j * 4 + k; + dst[dst_offset] = q_val; + } + } +} +#enddecl(Q8_0) + +#decl(Q2_K) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + let m = f32(block.dmin); + var dst_i = dst_base + offset * 256; + var is: u32 = 0; + // 2 halves of the block (128 elements each) + for (var q_b_idx: u32 = 0; q_b_idx < 64; q_b_idx += 32) { + // 4 groups (each group has 2 blocks of 16 elements) + for (var shift: u32 = 0; shift < 8; shift += 2) { + // 2 blocks + for (var k: u32 = 0; k < 32; k += 16) { + let sc = get_byte(block.scales[is / 4], is % 4); + is++; + let dl = d * f32(sc & 0xF); + let ml = m * f32(sc >> 4); + for (var l: u32 = 0u; l < 16; l++) { + let q_idx = q_b_idx + k + l; + let q_byte = get_byte(block.qs[q_idx / 4], q_idx % 4); + let qs_val = (q_byte >> shift) & 3; + dst[dst_i] = (f32(qs_val) * dl - ml); + dst_i++; + } + } + } + } +} +#enddecl(Q2_K) + +#decl(Q3_K) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + + // extract 6-bit scales, which consist of 4-bits from first 8 bytes of scale, + // and 2-bits from the last 4 bytes + let kmask1: u32 = 0x03030303; + let kmask2: u32 = 0x0f0f0f0f; + var scale_vals: array<u32, 4>; + for (var i: u32 = 0; i < 4; i++) { + scale_vals[i] = bitcast<u32>(vec2(block.scales[2 * i], block.scales[2 * i + 1])); + } + var tmp: u32 = scale_vals[2]; + scale_vals[2] = ((scale_vals[0] >> 4) & kmask2) | (((tmp >> 4) & kmask1) << 4); + scale_vals[3] = ((scale_vals[1] >> 4) & kmask2) | (((tmp >> 6) & kmask1) << 4); + scale_vals[0] = (scale_vals[0] & kmask2) | ((tmp & kmask1) << 4); + scale_vals[1] = (scale_vals[1] & kmask2) | (((tmp >> 2) & kmask1) << 4); + + // convert arrays of f16 -> u32 + var hmask_vals: array<u32, 8>; + for (var i: u32 = 0; i < 8; i++) { + hmask_vals[i] = bitcast<u32>(vec2(block.hmask[2 * i], block.hmask[2 * i + 1])); + } + var qs_vals: array<u32, 16>; + for (var i: u32 = 0; i < 16; i++) { + qs_vals[i] = bitcast<u32>(vec2(block.qs[2 * i], block.qs[2 * i + 1])); + } + + var dst_i = dst_base + offset * 256; + var is: u32 = 0; + var m: u32 = 1; + // 2 halves of the block (128 elements each) + for (var q_b_idx: u32 = 0; q_b_idx < 64; q_b_idx += 32) { + // 4 groups (each group has 2 blocks of 16 elements) + for (var shift: u32 = 0; shift < 8; shift += 2) { + // 2 blocks + for (var k: u32 = 0; k < 32; k += 16) { + let sc = get_byte(scale_vals[is / 4], is % 4); + is++; + let dl = d * (f32(sc) - 32.0); + for (var l: u32 = 0u; l < 16u; l++) { + let q_idx = q_b_idx + k + l; + let hm_idx = k + l; + let q_byte = get_byte(qs_vals[q_idx / 4], q_idx % 4); + let hmask_byte = get_byte(hmask_vals[hm_idx / 4], hm_idx % 4); + let hm = select(4.0, 0.0, (hmask_byte & m) != 0); + let qs_val = (q_byte >> shift) & 3; + dst[dst_i] = (f32(qs_val) - hm) * dl; + dst_i++; + } + } + m <<= 1; + } + } +} +#enddecl(Q3_K) + +#decl(Q4_K) +// 8 blocks of 32 elements each +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + let m = f32(block.dmin); + var dst_i = dst_base + offset * 256; + var is: u32 = 0; + // 2 blocks each iteration + for (var q_b_idx: u32 = 0; q_b_idx < 128; q_b_idx += 32) { + for (var shift: u32 = 0; shift < 8; shift += 4) { + let scale_min = get_scale_min(is, block.scales); + is++; + let dl = d * scale_min.x; + let ml = m * scale_min.y; + for (var l: u32 = 0; l < 32; l++) { + let q_idx = q_b_idx + l; + let q_byte = get_byte(block.qs[q_idx / 4], q_idx % 4); + let qs_val = (q_byte >> shift) & 0xF; + dst[dst_i] = (f32(qs_val) * dl - ml); + dst_i++; + } + } + } +} +#enddecl(Q4_K) + +#decl(Q5_K) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + let m = f32(block.dmin); + var dst_i = dst_base + offset * 256; + var is: u32 = 0; + var u: u32 = 1; + // 2 blocks each iteration + for (var q_b_idx: u32 = 0; q_b_idx < 128; q_b_idx += 32) { + for (var shift: u32 = 0; shift < 8; shift += 4) { + let scale_min = get_scale_min(is, block.scales); + is++; + let dl = d * scale_min.x; + let ml = m * scale_min.y; + for (var l: u32 = 0; l < 32; l++) { + let q_idx = q_b_idx + l; + let q_byte = get_byte(block.qs[q_idx / 4], q_idx % 4); + let qh_byte = get_byte(block.qh[l / 4], l % 4); + let qs_val = (q_byte >> shift) & 0xF; + let qh_val = select(0.0, 16.0, (qh_byte & u) != 0); + dst[dst_i] = (f32(qs_val) + qh_val) * dl - ml; + dst_i++; + } + u <<= 1; + } + } +} +#enddecl(Q5_K) + +#decl(Q6_K) +// 16 blocks of 16 elements each +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + + // convert arrays of f16 -> u32 + var ql_vals: array<u32, 32>; + for (var i: u32 = 0; i < 32; i++) { + ql_vals[i] = bitcast<u32>(vec2(block.ql[2 * i], block.ql[2 * i + 1])); + } + var qh_vals: array<u32, 16>; + for (var i: u32 = 0; i < 16; i++) { + qh_vals[i] = bitcast<u32>(vec2(block.qh[2 * i], block.qh[2 * i + 1])); + } + var scale_vals: array<u32, 4>; + for (var i: u32 = 0; i < 4; i++) { + scale_vals[i] = bitcast<u32>(vec2(block.scales[2 * i], block.scales[2 * i + 1])); + } + + var dst_i = dst_base + offset * 256; + var qh_b_idx: u32 = 0; + var sc_b_idx: u32 = 0; + for (var ql_b_idx: u32 = 0; ql_b_idx < 128; ql_b_idx += 64) { + for (var l: u32 = 0; l < 32; l++) { + let ql13_b = get_byte(ql_vals[(ql_b_idx + l) / 4], (ql_b_idx + l) % 4); + let ql24_b = get_byte(ql_vals[(ql_b_idx + l + 32) / 4], (ql_b_idx + l + 32) % 4); + let qh_b = get_byte(qh_vals[(qh_b_idx + l) / 4], (qh_b_idx + l) % 4); + + let q1 = f32((ql13_b & 0xF) | ((qh_b & 3) << 4)) - 32.0; + let q2 = f32((ql24_b & 0xF) | (((qh_b >> 2) & 3) << 4)) - 32.0; + let q3 = f32((ql13_b >> 4) | (((qh_b >> 4) & 3) << 4)) - 32.0; + let q4 = f32((ql24_b >> 4) | (((qh_b >> 6) & 3) << 4)) - 32.0; + + let is = l/16; + let is1 = sc_b_idx + is; + let sc1 = get_byte_i32(scale_vals[is1 / 4], is1 % 4); + let is2 = sc_b_idx + is + 2; + let sc2 = get_byte_i32(scale_vals[is2 / 4], is2 % 4); + let is3 = sc_b_idx + is + 4; + let sc3 = get_byte_i32(scale_vals[is3 / 4], is3 % 4); + let is4 = sc_b_idx + is + 6; + let sc4 = get_byte_i32(scale_vals[is4 / 4], is4 % 4); + + dst[dst_i + l] = (q1 * f32(sc1)) * d; + dst[dst_i + l + 32] = (q2 * f32(sc2)) * d; + dst[dst_i + l + 64] = (q3 * f32(sc3)) * d; + dst[dst_i + l + 96] = (q4 * f32(sc4)) * d; + } + dst_i += 128; + qh_b_idx += 32; + sc_b_idx += 8; + } +} + +#enddecl(Q6_K) + +#decl(IQ2_XXS) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + for (var ib: u32 = 0; ib < 32; ib += 4) { + let aux0 = bitcast<u32>(vec2(block.qs[ib], block.qs[ib + 1])); + let aux1 = bitcast<u32>(vec2(block.qs[ib + 2], block.qs[ib + 3])); + let db = d * (0.5 + f32(aux1 >> 28)) * 0.25; + for (var l: u32 = 0; l < 4; l++) { + let ig = get_byte(aux0, l) * 8; + let is = (aux1 >> (7 * l)) & 127; + let signs = get_byte(ksigns_iq2xs[is / 4], is % 4); + for (var j: u32 = 0; j < 8; j++) { + let g = get_byte(iq2xxs_grid[(ig + j) / 4], (ig + j) % 4); + let m = select(1.0, -1.0, (get_byte(kmask_iq2xs[j / 4], j % 4) & signs) != 0); + dst[dst_i] = db * f32(g) * m; + dst_i++; + } + } + } +} +#enddecl(IQ2_XXS) + +#decl(IQ2_XS) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + var scale_vals = array<u32, 2>( + bitcast<u32>(vec2(block.scales[0], block.scales[1])), + bitcast<u32>(vec2(block.scales[2], block.scales[3])) + ); + for (var ib: u32 = 0; ib < 32; ib += 4) { + let s = get_byte(scale_vals[ib / 16], (ib % 16) / 4); + let db = array<f32, 2>( + d * (0.5 + f32(s & 0xF)) * 0.25, + d * (0.5 + f32(s >> 4)) * 0.25 + ); + for (var l: u32 = 0; l < 4; l++) { + let qs_val = bitcast<u32>(vec2(block.qs[ib + l], 0.0)); + let ig = (qs_val & 511) * 8; + let is = qs_val >> 9; + let signs = get_byte(ksigns_iq2xs[is / 4], is % 4); + let dl = db[l/2]; + for (var j: u32 = 0; j < 8; j++) { + let g = get_byte(iq2xs_grid[(ig + j) / 4], (ig + j) % 4); + let m = select(1.0, -1.0, (get_byte(kmask_iq2xs[j / 4], j % 4) & signs) != 0); + dst[dst_i] = dl * f32(g) * m; + dst_i++; + } + } + } +} +#enddecl(IQ2_XS) + +#decl(IQ2_S) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + var qs_vals : array<u32, 16>; + for (var i: u32 = 0; i < 16; i++) { + qs_vals[i] = bitcast<u32>(vec2(block.qs[i * 2], block.qs[i * 2 + 1])); + } + var qh_vals = array<u32, 2>( + bitcast<u32>(vec2(block.qh[0], block.qh[1])), + bitcast<u32>(vec2(block.qh[2], block.qh[3])) + ); + var scale_vals = array<u32, 2>( + bitcast<u32>(vec2(block.scales[0], block.scales[1])), + bitcast<u32>(vec2(block.scales[2], block.scales[3])) + ); + for (var ib: u32 = 0; ib < 8; ib ++) { + let s = get_byte(scale_vals[ib / 4], ib % 4); + let db = array<f32, 2>( + d * (0.5 + f32(s & 0xF)) * 0.25, + d * (0.5 + f32(s >> 4)) * 0.25 + ); + let qs_w = qs_vals[ib]; + for (var l: u32 = 0; l < 4; l++) { + let qh_b = (get_byte(qh_vals[ib / 4], ib % 4) << (8 - 2 * l)) & 0x300; + let ig = (get_byte(qs_w, l) | qh_b) * 8; + let signs = get_byte(qs_vals[ib + 8], l); + let dl = db[l/2]; + for (var j: u32 = 0; j < 8; j++) { + let g = get_byte(iq2s_grid[(ig + j) / 4], (ig + j) % 4); + let m = select(1.0, -1.0, (get_byte(kmask_iq2xs[j / 4], j % 4) & signs) != 0); + dst[dst_i] = dl * f32(g) * m; + dst_i++; + } + } + } +} + +#enddecl(IQ2_S) + +#decl(IQ3_XSS) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + for (var ib: u32 = 0; ib < 16; ib += 2) { + let sc_sign = bitcast<u32>(vec2(block.qs[ib + 32], block.qs[ib + 33])); + let db = d * (0.5 + f32(sc_sign >> 28)) * 0.5; + for (var l: u32 = 0; l < 4; l++) { + let is = (sc_sign >> (7 * l)) & 127; + let signs = get_byte(ksigns_iq2xs[is / 4], is % 4); + let ig_val = bitcast<u32>(vec2(block.qs[ib * 2 + l], 0.0)); + let ig1 = get_byte(ig_val, 0); + let ig2 = get_byte(ig_val, 1); + for (var j: u32 = 0; j < 4; j++) { + let g1 = get_byte(iq3xxs_grid[ig1], j); + let g2 = get_byte(iq3xxs_grid[ig2], j); + let m1 = select(1.0, -1.0, (get_byte(kmask_iq2xs[0], j) & signs) != 0); + let m2 = select(1.0, -1.0, (get_byte(kmask_iq2xs[1], j) & signs) != 0); + dst[dst_i] = db * f32(g1) * m1; + dst[dst_i + 4] = db * f32(g2) * m2; + dst_i++; + } + dst_i += 4; + } + } +} +#enddecl(IQ3_XSS) + +#decl(IQ3_S) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + var qh_vals = array<u32, 2>( + bitcast<u32>(vec2(block.qh[0], block.qh[1])), + bitcast<u32>(vec2(block.qh[2], block.qh[3])) + ); + var sign_vals: array<u32, 8>; + for (var i: u32 = 0; i < 8; i++) { + sign_vals[i] = bitcast<u32>(vec2(block.signs[i * 2], block.signs[i * 2 + 1])); + } + var scale_vals = bitcast<u32>(vec2(block.scales[0], block.scales[1])); + for (var ib: u32 = 0; ib < 4; ib++) { + let s = get_byte(scale_vals, ib); + let db = array<f32, 2>( + d * (1.0 + 2.0 * f32(s & 0xF)), + d * (1.0 + 2.0 * f32(s >> 4)) + ); + for (var k: u32 = 0; k < 2; k++) { + let dl = db[k]; + let qh_byte = get_byte(qh_vals[ib / 2], (ib % 2) * 2 + k); + let sign_w = sign_vals[ib * 2 + k]; + for (var l: u32 = 0; l < 4; l++) { + let signs = get_byte(sign_w, l); + let ig_val = bitcast<u32>(vec2(block.qs[ib * 8 + k * 4 + l], 0.0)); + let ig1 = get_byte(ig_val, 0) | ((qh_byte << ((8 - (2 * l)))) & 256); + let ig2 = get_byte(ig_val, 1) | ((qh_byte << ((7 - (2 * l)))) & 256); + for (var j: u32 = 0; j < 4; j++) { + let g1 = get_byte(iq3s_grid[ig1], j); + let g2 = get_byte(iq3s_grid[ig2], j); + let m1 = select(1.0, -1.0, (get_byte(kmask_iq2xs[0], j) & signs) != 0); + let m2 = select(1.0, -1.0, (get_byte(kmask_iq2xs[1], j) & signs) != 0); + dst[dst_i] = dl * f32(g1) * m1; + dst[dst_i + 4] = dl * f32(g2) * m2; + dst_i++; + } + dst_i += 4; + } + } + } +} +#enddecl(IQ3_S) + +#decl(IQ1_S) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 256; + for (var ib: u32 = 0; ib < 8; ib++) { + let qh = bitcast<u32>(vec2(block.qh[ib], 0.0)); + let dl = d * (2 * f32((qh >> 12) & 7) + 1); + let delta = select(IQ1_DELTA, -IQ1_DELTA, (qh & 0x8000) != 0); + let qs_w = bitcast<u32>(vec2(block.qs[ib * 2], block.qs[ib * 2 + 1])); + for (var l: u32 = 0; l < 4; l++) { + let ig = (get_byte(qs_w, l) | (((qh >> (3 * l)) & 7) << 8)) * 8; + for (var j: u32 = 0; j < 8; j++) { + let gw = iq1_grid[(ig + j) / 16]; + let g = (gw >> (((ig + j) % 16) * 2)) & 3; + let gs = bitcast<i32>(g << 30) >> 30; + dst[dst_i] = dl * (f32(gs) + delta); + dst_i++; + } + } + } +} + +#enddecl(IQ1_S) + +#decl(IQ1_M) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + + let scale = ((block.scales[0] >> 12) & 0xF) | ((block.scales[0] >> 24) & 0x00F0) | ((block.scales[1] >> 4) & 0x0F00) | ((block.scales[1] >> 16) & 0xF000); + let d = f32(bitcast<vec2<f16>>(scale).x); + var dst_i = dst_base + offset * 256; + for (var ib: u32 = 0; ib < 8; ib++) { + let sw = (block.scales[ib / 4] >> (16 * ((ib / 2) % 2))) & 0xFFFF; + let s1 : u32 = (sw >> (6 * (ib % 2))) & 0x7; + let s2 : u32 = (sw >> (6 * (ib % 2) + 3)) & 0x7; + var dl = array<f32, 2>( + d * f32(2 * s1 + 1), + d * f32(2 * s2 + 1) + ); + + let qh = block.qh[ib / 2] >> (16 * (ib % 2)); + var idx = array<u32, 4>( + get_byte(block.qs[ib], 0) | ((qh << 8) & 0x700), + get_byte(block.qs[ib], 1) | ((qh << 4) & 0x700), + get_byte(block.qs[ib], 2) | ((qh) & 0x700), + get_byte(block.qs[ib], 3) | ((qh >> 4) & 0x700) + ); + var delta = array<f32, 4>( + select(IQ1_DELTA, -IQ1_DELTA, (qh & 0x08) != 0), + select(IQ1_DELTA, -IQ1_DELTA, (qh & 0x80) != 0), + select(IQ1_DELTA, -IQ1_DELTA, ((qh >> 8) & 0x08) != 0), + select(IQ1_DELTA, -IQ1_DELTA, ((qh >> 8) & 0x80) != 0) + ); + for (var l: u32 = 0; l < 4; l++) { + let ig = idx[l] * 8; + for (var j: u32 = 0; j < 8; j++) { + let gw = iq1_grid[(ig + j) / 16]; + let g = (gw >> (((ig + j) % 16) * 2)) & 3; + let gs = bitcast<i32>(g << 30) >> 30; + dst[dst_i] = dl[l/2] * (f32(gs) + delta[l]); + dst_i++; + } + } + } +} + +#enddecl(IQ1_M) + +#decl(IQ4_NL) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + var dst_i = dst_base + offset * 32; + var qs: array<u32, 4>; + for (var i: u32 = 0; i < 4; i++) { + qs[i] = bitcast<u32>(vec2(block.qs[i * 2], block.qs[i * 2 + 1])); + } + for (var j: u32 = 0; j < 16; j++) { + let qsb = get_byte(qs[j / 4], j % 4); + dst[dst_i] = d * f32(kvalues_iq4nl[qsb & 0xF]); + dst[dst_i + 16] = d * f32(kvalues_iq4nl[qsb >> 4]); + dst_i++; + } +} +#enddecl(IQ4_NL) + +#decl(IQ4_XS) +fn copy_elements(src_base: u32, dst_base: u32, offset: u32) { + let block = src[src_base + offset]; + let d = f32(block.d); + let scales_h = bitcast<u32>(vec2(block.scales_h, 0.0)); + var dst_i = dst_base + offset * 256; + for (var ib: u32 = 0; ib < 8; ib++) { + let ls = ((get_byte(block.scales_l, ib / 2) >> (4 * (ib % 2))) & 0xF) | (((scales_h >> (2 * ib)) & 3) << 4); + let dl = d * (f32(ls) - 32.0); + for (var j: u32 = 0; j < 16; j++) { + let iqs = ib * 16 + j; + let qsb = get_byte(block.qs[iqs / 4], iqs % 4); + dst[dst_i] = dl * f32(kvalues_iq4nl[qsb & 0xF]); + dst[dst_i + 16] = dl * f32(kvalues_iq4nl[qsb >> 4]); + dst_i++; + } + dst_i += 16; + } +} +#enddecl(IQ4_XS) + +#end(DECLS) + +#define(SHADER) + +enable f16; + +DECLS + +@group(0) @binding(0) +var<storage, read_write> src: array<{{TYPE}}>; + +@group(0) @binding(1) +var<storage, read_write> idx: array<i32>; + +@group(0) @binding(2) +var<storage, read_write> dst: array<{{DST_TYPE}}>; + +struct Params { + offset_src: u32, // in elements + offset_idx: u32, // in elements + offset_dst: u32, // in elements + + // Strides (in elements) + stride_src1: u32, + stride_src2: u32, + stride_src3: u32, + + stride_idx0: u32, + stride_idx1: u32, + stride_idx2: u32, + + stride_dst1: u32, + stride_dst2: u32, + stride_dst3: u32, + + // Shape of dst + ne0: u32, + n_rows: u32, + ne2: u32, + ne3: u32, + + // Shape of idx + idx1: u32, + idx2: u32, +}; + +@group(0) @binding(3) +var<uniform> params: Params; + +override wg_size: u32; +@compute @workgroup_size(wg_size) +fn main(@builtin(global_invocation_id) gid: vec3<u32>) { + if (gid.x >= params.n_rows * params.ne2 * params.ne3) { + return; + } + var i = gid.x; + let i_dst3 = i / (params.ne2 * params.n_rows); + + i = i % (params.ne2 * params.n_rows); + let i_dst2 = i / params.n_rows; + let i_dst1 = i % params.n_rows; + + let i_idx2 = i_dst3 % params.idx2; + let i_idx1 = i_dst2 % params.idx1; + let i_idx0 = i_dst1; + + let i_idx = params.offset_idx + i_idx0 * params.stride_idx0 + i_idx1 * params.stride_idx1 + i_idx2 * params.stride_idx2; + + let idx_val = u32(idx[i_idx]); + + let i_src_row = params.offset_src + idx_val * params.stride_src1 + i_dst2 * params.stride_src2 + i_dst3 * params.stride_src3; + let i_dst_row = params.offset_dst + i_dst1 * params.stride_dst1 + i_dst2 * params.stride_dst2 + i_dst3 * params.stride_dst3; + + for (var i: u32 = 0; i < params.ne0/{{BLOCK_SIZE}}; i++) { + copy_elements(i_src_row, i_dst_row, i); + } +} + +#end(SHADER) |