ggml : define helper constants only for CUDA and SYCL
ggml-ci
This commit is contained in:
Georgi Gerganov
parent
54ebe70ea5
commit
dca5020a74
1 changed files with 75 additions and 50 deletions
125
ggml-common.h
125
ggml-common.h
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@ -60,15 +60,88 @@ typedef sycl::half2 ggml_half2;
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#define static_assert(cond, msg) struct global_scope_noop_trick
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#endif
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#endif
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#endif
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#endif // __cplusplus
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// QK = number of values after dequantization
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// QK_K = super-block size
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#ifdef GGML_QKK_64
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#define QK_K 64
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#define K_SCALE_SIZE 4
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#else
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#define QK_K 256
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#define K_SCALE_SIZE 12
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#endif // GGML_QKK_64
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#if defined(GGML_COMMON_DECL_CUDA) || defined(GGML_COMMON_DECL_HIP)
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// QR = QK / number of values before dequantization
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// QI = number of 32 bit integers before dequantization
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#define QK4_0 32
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#define QI4_0 (QK4_0 / (4 * QR4_0))
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#define QR4_0 2
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#define QI4_1 (QK4_1 / (4 * QR4_1))
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#define QR4_1 2
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#define QI5_0 (QK5_0 / (4 * QR5_0))
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#define QR5_0 2
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#define QI5_1 (QK5_1 / (4 * QR5_1))
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#define QR5_1 2
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#define QI8_0 (QK8_0 / (4 * QR8_0))
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#define QR8_0 1
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#define QI8_1 (QK8_1 / (4 * QR8_1))
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#define QR8_1 1
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#define QI2_K (QK_K / (4*QR2_K))
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#define QR2_K 4
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#define QI3_K (QK_K / (4*QR3_K))
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#define QR3_K 4
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#define QI4_K (QK_K / (4*QR4_K))
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#define QR4_K 2
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#define QI5_K (QK_K / (4*QR5_K))
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#define QR5_K 2
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#define QI6_K (QK_K / (4*QR6_K))
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#define QR6_K 2
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#define QI2_XXS (QK_K / (4*QR2_XXS))
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#define QR2_XXS 8
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#define QI2_XS (QK_K / (4*QR2_XS))
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#define QR2_XS 8
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#define QI2_S (QK_K / (4*QR2_S))
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#define QR2_S 8
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#define QI3_XXS (QK_K / (4*QR3_XXS))
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#define QR3_XXS 8
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#define QI3_XS (QK_K / (4*QR3_XS))
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#define QR3_XS 8
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#define QI1_S (QK_K / (4*QR1_S))
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#define QR1_S 8
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#define QI4_NL (QK4_NL / (4*QR4_NL))
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#define QR4_NL 2
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#if QK_K == 64
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#define QI4_XS QI4_NL
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#define QR4_XS QR4_NL
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#else
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#define QI4_XS (QK_K / (4*QR4_XS))
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#define QR4_XS 8
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#endif
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#endif // GGML_COMMON_DECL_CUDA || GGML_COMMON_DECL_HIP
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#define QK4_0 32
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typedef struct {
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ggml_half d; // delta
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uint8_t qs[QK4_0 / 2]; // nibbles / quants
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@ -76,8 +149,6 @@ typedef struct {
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static_assert(sizeof(block_q4_0) == sizeof(ggml_half) + QK4_0 / 2, "wrong q4_0 block size/padding");
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#define QK4_1 32
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#define QI4_1 (QK4_1 / (4 * QR4_1))
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#define QR4_1 2
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typedef struct {
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union {
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struct {
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@ -91,8 +162,6 @@ typedef struct {
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static_assert(sizeof(block_q4_1) == 2 * sizeof(ggml_half) + QK4_1 / 2, "wrong q4_1 block size/padding");
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#define QK5_0 32
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#define QI5_0 (QK5_0 / (4 * QR5_0))
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#define QR5_0 2
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typedef struct {
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ggml_half d; // delta
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uint8_t qh[4]; // 5-th bit of quants
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@ -101,8 +170,6 @@ typedef struct {
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static_assert(sizeof(block_q5_0) == sizeof(ggml_half) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding");
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#define QK5_1 32
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#define QI5_1 (QK5_1 / (4 * QR5_1))
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#define QR5_1 2
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typedef struct {
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union {
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struct {
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@ -117,8 +184,6 @@ typedef struct {
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static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_half) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding");
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#define QK8_0 32
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#define QI8_0 (QK8_0 / (4 * QR8_0))
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#define QR8_0 1
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typedef struct {
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ggml_half d; // delta
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int8_t qs[QK8_0]; // quants
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@ -126,8 +191,6 @@ typedef struct {
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static_assert(sizeof(block_q8_0) == sizeof(ggml_half) + QK8_0, "wrong q8_0 block size/padding");
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#define QK8_1 32
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#define QI8_1 (QK8_1 / (4 * QR8_1))
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#define QR8_1 1
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typedef struct {
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union {
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struct {
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@ -144,21 +207,10 @@ static_assert(sizeof(block_q8_1) == 2*sizeof(ggml_half) + QK8_1, "wrong q8_1 blo
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// Super-block quantization structures
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//
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// Super-block size
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#ifdef GGML_QKK_64
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#define QK_K 64
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#define K_SCALE_SIZE 4
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#else
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#define QK_K 256
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#define K_SCALE_SIZE 12
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#endif
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// 2-bit quantization
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// weight is represented as x = a * q + b
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// 16 blocks of 16 elements each
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// Effectively 2.625 bits per weight
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#define QI2_K (QK_K / (4*QR2_K))
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#define QR2_K 4
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typedef struct {
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uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits
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uint8_t qs[QK_K/4]; // quants
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@ -176,8 +228,6 @@ static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_half) + QK_K/16 + QK_K/4, "wro
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// weight is represented as x = a * q
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// 16 blocks of 16 elements each
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// Effectively 3.4375 bits per weight
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#define QI3_K (QK_K / (4*QR3_K))
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#define QR3_K 4
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#ifdef GGML_QKK_64
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typedef struct {
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uint8_t hmask[QK_K/8]; // quants - high bit
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@ -200,8 +250,6 @@ static_assert(sizeof(block_q3_K) == sizeof(ggml_half) + QK_K / 4 + QK_K / 8 + 12
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// 8 blocks of 32 elements each
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// weight is represented as x = a * q + b
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// Effectively 4.5 bits per weight
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#define QI4_K (QK_K / (4*QR4_K))
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#define QR4_K 2
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#ifdef GGML_QKK_64
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typedef struct {
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ggml_half d[2]; // super-block scales/mins
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@ -228,8 +276,6 @@ static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_half) + K_SCALE_SIZE + QK_K/2,
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// 8 blocks of 32 elements each
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// weight is represented as x = a * q + b
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// Effectively 5.5 bits per weight
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#define QI5_K (QK_K / (4*QR5_K))
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#define QR5_K 2
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#ifdef GGML_QKK_64
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typedef struct {
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ggml_half d; // super-block scale
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@ -258,8 +304,6 @@ static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_half) + K_SCALE_SIZE + QK_K/2
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// weight is represented as x = a * q
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// 16 blocks of 16 elements each
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// Effectively 6.5625 bits per weight
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#define QI6_K (QK_K / (4*QR6_K))
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#define QR6_K 2
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typedef struct {
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uint8_t ql[QK_K/2]; // quants, lower 4 bits
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uint8_t qh[QK_K/4]; // quants, upper 2 bits
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@ -279,8 +323,6 @@ static_assert(sizeof(block_q8_K) == sizeof(float) + QK_K + QK_K/16*sizeof(int16_
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// (Almost) "true" 2-bit quantization.
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// Due to the need to use blocks as per ggml design, it ends up using
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// 2.0625 bpw because of the 16-bit scale for each block of 256.
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#define QI2_XXS (QK_K / (4*QR2_XXS))
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#define QR2_XXS 8
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typedef struct {
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ggml_half d;
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uint16_t qs[QK_K/8];
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@ -288,8 +330,6 @@ typedef struct {
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static_assert(sizeof(block_iq2_xxs) == sizeof(ggml_half) + QK_K/8*sizeof(uint16_t), "wrong iq2_xxs block size/padding");
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// 2.3125 bpw quants
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#define QI2_XS (QK_K / (4*QR2_XS))
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#define QR2_XS 8
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typedef struct {
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ggml_half d;
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uint16_t qs[QK_K/8];
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@ -298,8 +338,6 @@ typedef struct {
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static_assert(sizeof(block_iq2_xs) == sizeof(ggml_half) + QK_K/8*sizeof(uint16_t) + QK_K/32, "wrong iq2_xs block size/padding");
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// 2.5625 bpw quants
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#define QI2_S (QK_K / (4*QR2_S))
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#define QR2_S 8
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typedef struct {
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ggml_half d;
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uint8_t qs[QK_K/4];
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@ -311,8 +349,6 @@ static_assert(sizeof(block_iq2_s) == sizeof(ggml_half) + QK_K/4 + QK_K/16, "wron
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// (Almost) "true" 3-bit quantization.
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// Due to the need to use blocks as per ggml design, it ends up using
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// 3.0625 bpw because of the 16-bit scale for each block of 256.
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#define QI3_XXS (QK_K / (4*QR3_XXS))
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#define QR3_XXS 8
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typedef struct {
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ggml_half d;
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uint8_t qs[3*QK_K/8];
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@ -325,8 +361,6 @@ static_assert(sizeof(block_iq3_xxs) == sizeof(ggml_half) + 3*(QK_K/8), "wrong iq
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#else
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#define IQ3S_N_SCALE QK_K/64
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#endif
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#define QI3_XS (QK_K / (4*QR3_XS))
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#define QR3_XS 8
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typedef struct {
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ggml_half d;
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uint8_t qs[QK_K/4];
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@ -336,8 +370,6 @@ typedef struct {
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} block_iq3_s;
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static_assert(sizeof(block_iq3_s) == sizeof(ggml_half) + 13*(QK_K/32) + IQ3S_N_SCALE, "wrong iq3_s block size/padding");
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#define QI1_S (QK_K / (4*QR1_S))
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#define QR1_S 8
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typedef struct {
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ggml_half d;
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uint8_t qs[QK_K/8];
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@ -347,8 +379,6 @@ static_assert(sizeof(block_iq1_s) == sizeof(ggml_half) + QK_K/8 + QK_K/16, "wron
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// Non-linear quants
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#define QK4_NL 32
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#define QI4_NL (QK4_NL / (4*QR4_NL))
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#define QR4_NL 2
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typedef struct {
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ggml_half d;
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uint8_t qs[QK4_NL/2];
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@ -357,12 +387,7 @@ static_assert(sizeof(block_iq4_nl) == sizeof(ggml_half) + QK4_NL/2, "wrong iq4_n
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#if QK_K == 64
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#define block_iq4_xs block_iq4_nl
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#define QI4_XS QI4_NL
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#define QR4_XS QR4_NL
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//typedef struct block_iq4_nl block_iq4_xs;
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#else
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#define QI4_XS (QK_K / (4*QR4_XS))
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#define QR4_XS 8
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typedef struct {
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ggml_half d;
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uint16_t scales_h;
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