summaryrefslogtreecommitdiff
path: root/llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl
diff options
context:
space:
mode:
authorMitja Felicijan <mitja.felicijan@gmail.com>2026-02-12 20:57:17 +0100
committerMitja Felicijan <mitja.felicijan@gmail.com>2026-02-12 20:57:17 +0100
commitb333b06772c89d96aacb5490d6a219fba7c09cc6 (patch)
tree211df60083a5946baa2ed61d33d8121b7e251b06 /llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl
downloadllmnpc-b333b06772c89d96aacb5490d6a219fba7c09cc6.tar.gz
Engage!
Diffstat (limited to 'llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl')
-rw-r--r--llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl366
1 files changed, 366 insertions, 0 deletions
diff --git a/llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl b/llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl
new file mode 100644
index 0000000..9fb4347
--- /dev/null
+++ b/llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl
@@ -0,0 +1,366 @@
+//------------------------------------------------------------------------------
+// This file is contains kernels for data conversion.
+// These kernels are used when loading the model, so its performance is less
+// important.
+//------------------------------------------------------------------------------
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+
+#ifdef cl_intel_required_subgroup_size
+#pragma OPENCL EXTENSION cl_intel_required_subgroup_size : enable
+#define INTEL_GPU 1
+#define REQD_SUBGROUP_SIZE_16 __attribute__((intel_reqd_sub_group_size(16)))
+#define REQD_SUBGROUP_SIZE_32 __attribute__((intel_reqd_sub_group_size(32)))
+#elif defined(cl_qcom_reqd_sub_group_size)
+#pragma OPENCL EXTENSION cl_qcom_reqd_sub_group_size : enable
+#define ADRENO_GPU 1
+#define REQD_SUBGROUP_SIZE_64 __attribute__((qcom_reqd_sub_group_size("half")))
+#define REQD_SUBGROUP_SIZE_128 __attribute__((qcom_reqd_sub_group_size("full")))
+#endif
+
+#define QK4_0 32
+#define QR4_0 2
+#define QK4_1 32
+#define QR4_1 2
+#define QK5_0 32
+#define QR5_0 2
+#define QK5_1 32
+#define QR5_1 2
+#define QK8_0 32
+#define QR8_0 1
+#define QK_K 256
+#define K_QUANTS_PER_ITERATION 2
+
+typedef char int8_t;
+typedef uchar uint8_t;
+typedef short int16_t;
+typedef ushort uint16_t;
+typedef int int32_t;
+typedef uint uint32_t;
+
+//------------------------------------------------------------------------------
+// block_q4_0
+//------------------------------------------------------------------------------
+struct block_q4_0
+{
+ half d;
+ uint8_t qs[QK4_0 / 2];
+};
+
+//------------------------------------------------------------------------------
+// block_q6_K
+//------------------------------------------------------------------------------
+struct block_q6_K {
+ uint8_t ql[QK_K/2]; // quants, lower 4 bits
+ uint8_t qh[QK_K/4]; // quants, upper 2 bits
+ int8_t scales[QK_K/16]; // scales, quantized with 8 bits
+ half d; // super-block scale
+};
+
+//------------------------------------------------------------------------------
+// kernel_convert_block_q4_0
+// Convert the block_q4_0 format to 2 separate arrays (AOS -> SOA).
+// This kernel does not deshuffle the bits.
+//------------------------------------------------------------------------------
+kernel void kernel_convert_block_q4_0(
+ global struct block_q4_0 * src0,
+ global uchar * dst_q,
+ global half * dst_d
+) {
+ global struct block_q4_0 * b = (global struct block_q4_0 *) src0 + get_global_id(0);
+ global uchar * q = (global uchar *) dst_q + QK4_0/2*get_global_id(0);
+ global half * d = (global half *) dst_d + get_global_id(0);
+
+ *d = b->d;
+
+ for (int i = 0; i < QK4_0/2; ++i) {
+ q[i] = b->qs[i];
+ }
+}
+
+kernel void kernel_restore_block_q4_0(
+ global uchar * src_q,
+ global half * src_d,
+ global struct block_q4_0 * dst
+) {
+ global struct block_q4_0 * b = (global struct block_q4_0 *) dst + get_global_id(0);
+ global uchar * q = (global uchar *) src_q + QK4_0/2*get_global_id(0);
+ global half * d = (global half *) src_d + get_global_id(0);
+
+ b->d = *d;
+ for (int i = 0; i < QK4_0/2; ++i) {
+ b->qs[i] = q[i];
+ }
+}
+
+//------------------------------------------------------------------------------
+// kernel_convert_block_q4_0_noshuffle
+// Flatten q4_0 weights and unshuffle the bits
+//------------------------------------------------------------------------------
+
+kernel void kernel_convert_block_q4_0_noshuffle(
+ global struct block_q4_0 * src0,
+ global uchar * dst_q,
+ global half * dst_d
+) {
+ global struct block_q4_0 * b = (global struct block_q4_0 *) src0 + get_global_id(0);
+ global uchar * q = (global uchar *) dst_q + QK4_0/2*get_global_id(0);
+ global half * d = (global half *) dst_d + get_global_id(0);
+
+ *d = b->d;
+ for (int i = 0; i < QK4_0/4; ++i) {
+ uchar x0 = b->qs[2*i + 0];
+ uchar x1 = b->qs[2*i + 1];
+
+ q[i + 0 ] = convert_uchar(x0 & 0x0F) | convert_uchar((x1 & 0x0F) << 4);
+ q[i + QK4_0/4] = convert_uchar((x0 & 0xF0) >> 4) | convert_uchar(x1 & 0xF0);
+
+#ifdef ADRENO_GPU
+ // Workaround for adreno - must have the following printf statement for
+ // the kernel to work properly. Otherwise it produces incorrect result.
+ // convert_uchar above also seems necessary.
+ // Compare against a large number so that it does not print anything.
+ // get_sub_group_local_id() also works.
+ if (get_global_id(0) == 65536*4096) {
+ printf("%04x - %02x\n", *(global ushort*)d, ((x0 & 0xF0) >> 4) | (x1 & 0xF0));
+ }
+#endif
+ }
+}
+
+kernel void kernel_restore_block_q4_0_noshuffle(
+ global uchar * src_q,
+ global half * src_d,
+ global struct block_q4_0 * dst,
+ uchar mask_0F,
+ uchar mask_F0
+) {
+ global struct block_q4_0 * b = (global struct block_q4_0 *) dst + get_global_id(0);
+ global uchar * q = (global uchar *) src_q + QK4_0/2*get_global_id(0);
+ global half * d = (global half *) src_d + get_global_id(0);
+
+ b->d = *d;
+ for (int i = 0; i < QK4_0/4; ++i) {
+ uchar x0 = q[i + 0 ] ;
+ uchar x1 = q[i + QK4_0/4];
+
+ b->qs[2*i + 0] = convert_uchar((x0 & mask_0F) | ((x1 & mask_0F) << 4));
+ b->qs[2*i + 1] = convert_uchar(((x0 & mask_F0) >> 4) | (x1 & mask_F0));
+ }
+}
+
+//------------------------------------------------------------------------------
+// block_mxfp4
+//------------------------------------------------------------------------------
+#define QK_MXFP4 32
+struct block_mxfp4 {
+ uchar e; // E8M0
+ uchar qs[QK_MXFP4 / 2];
+};
+
+//------------------------------------------------------------------------------
+// kernel_convert_block_mxfp4
+// Convert the block_mxfp4 format to 2 separate arrays (AOS -> SOA).
+// This kernel does not deshuffle the bits.
+//------------------------------------------------------------------------------
+kernel void kernel_convert_block_mxfp4(
+ global struct block_mxfp4 * src0,
+ global uchar * dst_q,
+ global uchar * dst_e
+) {
+ global struct block_mxfp4 * b = (global struct block_mxfp4 *) src0 + get_global_id(0);
+ global uchar * q = (global uchar *) dst_q + QK_MXFP4 / 2 * get_global_id(0);
+ global uchar * e = (global uchar *) dst_e + get_global_id(0);
+
+ *e = b->e;
+
+ for (int i = 0; i < QK_MXFP4 / 2; ++i) {
+ q[i] = b->qs[i];
+ }
+}
+
+kernel void kernel_convert_block_mxfp4_trans(
+ global struct block_mxfp4 * src0,
+ __global uint4 * dst_q,
+ __global uchar * dst_e,
+ uint ne00,
+ uint ne01
+) {
+ int i00 = get_global_id(1);
+ uint i01 = get_global_id(0);
+ uint i02 = get_global_id(2);
+
+ uint ne00_blk = ne00 / QK_MXFP4;
+ uint src_blk_offset = i00 + i01 * ne00_blk + i02 * ne00_blk * ne01;
+ uint dst_blk_offset = i01 + i00 * ne01 + i02 * ne00_blk * ne01;
+
+ global struct block_mxfp4 * b = src0 + src_blk_offset;
+
+ dst_q[dst_blk_offset] = ((global uint4 *)(&(b->qs[0])))[0];
+ dst_e[dst_blk_offset] = b->e;
+}
+
+kernel void kernel_restore_block_mxfp4(
+ global uchar * src_q,
+ global half * src_e,
+ global struct block_mxfp4 * dst
+) {
+ global struct block_mxfp4 * b = (global struct block_mxfp4 *) dst + get_global_id(0);
+ global uchar * q = (global uchar *) src_q + QK_MXFP4 / 2 * get_global_id(0);
+ global uchar * e = (global uchar *) src_e + get_global_id(0);
+
+ b->e = *e;
+ for (int i = 0; i < QK_MXFP4 / 2; ++i) {
+ b->qs[i] = q[i];
+ }
+}
+
+kernel void kernel_restore_block_mxfp4_trans(
+ __global uint4 * src_q,
+ __global uchar * src_e,
+ global struct block_mxfp4 * dst,
+ uint ne00,
+ uint ne01
+) {
+ int i00 = get_global_id(1);
+ uint i01 = get_global_id(0);
+ uint i02 = get_global_id(2);
+
+ uint ne00_blk = ne00 / QK_MXFP4;
+ uint src_blk_offset = i01 + i00 * ne01 + i02 * ne00_blk * ne01;
+ uint dst_blk_offset = i00 + i01 * ne00_blk + i02 * ne00_blk * ne01;
+
+ global struct block_mxfp4 * b = dst + dst_blk_offset;
+
+ ((global uint4 *)(&(b->qs[0])))[0] = src_q[src_blk_offset];
+ b->e = src_e[src_blk_offset];
+}
+
+//------------------------------------------------------------------------------
+// block_q8_0
+//------------------------------------------------------------------------------
+typedef struct {
+ half d; // delta
+ char qs[QK8_0]; // quants
+} block_q8_0;
+
+kernel void kernel_convert_block_q8_0(
+ global block_q8_0 * src0,
+ global uchar * dst_q,
+ global half * dst_d
+) {
+ global block_q8_0 * b = (global block_q8_0 *) src0 + get_global_id(0);
+ global uchar * q = (global uchar *) dst_q + QK8_0*get_global_id(0);
+ global half * d = (global half *) dst_d + get_global_id(0);
+
+ *d = b->d;
+
+ for (int i = 0; i < QK8_0; ++i) {
+ q[i] = b->qs[i];
+ }
+}
+
+kernel void kernel_restore_block_q8_0(
+ global uchar * src_q,
+ global half * src_d,
+ global block_q8_0 * dst
+) {
+ global block_q8_0 * b = (global block_q8_0 *) dst + get_global_id(0);
+ global uchar * q = (global uchar *) src_q + QK8_0*get_global_id(0);
+ global half * d = (global half *) src_d + get_global_id(0);
+
+ b->d = *d;
+ for (int i = 0; i < QK8_0; ++i) {
+ b->qs[i] = q[i];
+ }
+}
+
+kernel void kernel_restore_block_q8_0_trans(
+ global uchar * src_q,
+ global half * src_d,
+ global block_q8_0 * dst,
+ uint ne00,
+ uint ne01
+){
+ uint num_blk_per_row = ne00 / QK8_0;
+
+ global block_q8_0 * b = (global block_q8_0 *) dst + get_global_id(0) * num_blk_per_row;
+ global uchar * q = (global uchar *) src_q + get_global_id(0) * 4; // 4 8-bit packed
+ global half * d = (global half *) src_d + get_global_id(0);
+
+ for (uint blk = 0; blk < num_blk_per_row; blk++) {
+ b->d = *d;
+
+ for (uint i = 0; i < QK8_0; i+=4) {
+ b->qs[i] = q[0];
+ b->qs[i+1] = q[1];
+ b->qs[i+2] = q[2];
+ b->qs[i+3] = q[3];
+
+ q += 4 * ne01; // M stride
+ }
+
+ d += ne01;
+
+ b++;
+ }
+}
+
+//------------------------------------------------------------------------------
+// kernel_convert_block_q6_K
+// Convert the block_q6_K format to 3 separate arrays (AOS -> SOA).
+// This kernel does not deshuffle the bits.
+// Each thread processes a super block.
+//------------------------------------------------------------------------------
+kernel void kernel_convert_block_q6_K(
+ global struct block_q6_K * src0,
+ global uchar * dst_ql,
+ global uchar * dst_qh,
+ global char * dst_s,
+ global half * dst_d
+) {
+ global struct block_q6_K * b = (global struct block_q6_K *) src0 + get_global_id(0);
+ global uchar * ql = (global uchar *) dst_ql + QK_K/2*get_global_id(0);
+ global uchar * qh = (global uchar *) dst_qh + QK_K/4*get_global_id(0);
+ global char * s = (global char *) dst_s + QK_K/16*get_global_id(0);
+ global half * d = (global half *) dst_d + get_global_id(0);
+
+ *d = b->d;
+
+ for (int i = 0; i < QK_K/2; ++i) {
+ ql[i] = b->ql[i];
+ }
+ for (int i = 0; i < QK_K/4; ++i) {
+ qh[i] = b->qh[i];
+ }
+ for (int i = 0; i < QK_K/16; ++i) {
+ s[i] = b->scales[i];
+ }
+}
+
+// Restore block_q6_K from flattened arrays.
+// Each thread processes a super block.
+kernel void kernel_restore_block_q6_K(
+ global uchar * dst_ql,
+ global uchar * dst_qh,
+ global char * dst_s,
+ global half * dst_d,
+ global struct block_q6_K * dst
+) {
+ global struct block_q6_K * b = (global struct block_q6_K *) dst + get_global_id(0);
+ global uchar * ql = (global uchar *) dst_ql + QK_K/2*get_global_id(0);
+ global uchar * qh = (global uchar *) dst_qh + QK_K/4*get_global_id(0);
+ global char * s = (global char *) dst_s + QK_K/16*get_global_id(0);
+ global half * d = (global half *) dst_d + get_global_id(0);
+
+ b->d = *d;
+
+ for (int i = 0; i < QK_K/2; ++i) {
+ b->ql[i] = ql[i];
+ }
+ for (int i = 0; i < QK_K/4; ++i) {
+ b->qh[i] = qh[i];
+ }
+ for (int i = 0; i < QK_K/16; ++i) {
+ b->scales[i] = s[i];
+ }
+}