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ggml-cpu: support IQ4_NL_4_4 by runtime repack #10541

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Nov 28, 2024
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ggml-cpu: support IQ4_NL_4_4 by runtime repack #10541

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f56013d
ggml-cpu: support IQ4_NL_4_4 by runtime repack
FanShupei Nov 27, 2024
0aa6488
ggml-cpu: add __ARM_FEATURE_DOTPROD guard
FanShupei Nov 27, 2024
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1 change: 1 addition & 0 deletions ggml/include/ggml-cpu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ extern "C" {
GGML_BACKEND_API int ggml_cpu_has_neon (void);
GGML_BACKEND_API int ggml_cpu_has_arm_fma (void);
GGML_BACKEND_API int ggml_cpu_has_fp16_va (void);
GGML_BACKEND_API int ggml_cpu_has_dotprod (void);
GGML_BACKEND_API int ggml_cpu_has_matmul_int8(void);
GGML_BACKEND_API int ggml_cpu_has_sve (void);
GGML_BACKEND_API int ggml_cpu_get_sve_cnt (void); // sve vector length in bytes
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3 changes: 3 additions & 0 deletions ggml/include/ggml.h
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Expand Up @@ -389,6 +389,9 @@ extern "C" {
GGML_TYPE_Q4_0_8_8 = 33,
GGML_TYPE_TQ1_0 = 34,
GGML_TYPE_TQ2_0 = 35,
GGML_TYPE_IQ4_NL_4_4 = 36,
// GGML_TYPE_IQ4_NL_4_8 = 37,
// GGML_TYPE_IQ4_NL_8_8 = 38,
GGML_TYPE_COUNT,
};

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6 changes: 6 additions & 0 deletions ggml/src/ggml-common.h
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Expand Up @@ -418,6 +418,12 @@ typedef struct {
} block_iq4_xs;
static_assert(sizeof(block_iq4_xs) == sizeof(ggml_half) + sizeof(uint16_t) + QK_K/64 + QK_K/2, "wrong iq4_xs block size/padding");

typedef struct {
ggml_half d[4]; // deltas for 4 iq4_nl blocks
uint8_t qs[QK4_NL * 2];// nibbles / quants for 4 iq4_nl blocks
} block_iq4_nlx4;
static_assert(sizeof(block_iq4_nlx4) == 4 * sizeof(ggml_half) + QK4_NL * 2, "wrong iq4_nlx4 block size/padding");

#endif // GGML_COMMON_DECL
#endif // GGML_COMMON_DECL

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