[BesTLA] Support Int1 for kernels and models

[luoyu-intel]

Type of Change

support new weight_dtype=int1

LLaMa2-7B
weight_dtype=int1, group_size=128, alg=sym, scale_dtype=bf16, comp_dtype=int8:

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model_print_timings:        load time =   180.49 ms
model_print_timings:      sample time =     3.36 ms /    16 runs   (    0.21 ms per token)
model_print_timings: prompt eval time =   169.91 ms /    33 tokens (    5.15 ms per token)
model_print_timings:        eval time =   293.41 ms /    15 runs   (   19.56 ms per token)
model_print_timings:       total time =   484.67 ms
========== eval time log of each prediction ==========
prediction   0, time: 169.91ms
prediction   1, time: 19.45ms
prediction   2, time: 19.28ms
prediction   3, time: 19.17ms
prediction   4, time: 19.27ms

weight_dtype=int1, group_size=128, alg=asym, scale_dtype=bf16, comp_dtype=int8:

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model_print_timings:        load time =   170.01 ms
model_print_timings:      sample time =     3.19 ms /    16 runs   (    0.20 ms per token)
model_print_timings: prompt eval time =   167.52 ms /    33 tokens (    5.08 ms per token)
model_print_timings:        eval time =   307.53 ms /    15 runs   (   20.50 ms per token)
model_print_timings:       total time =   496.13 ms
========== eval time log of each prediction ==========
prediction   0, time: 167.52ms
prediction   1, time: 20.22ms
prediction   2, time: 20.07ms
prediction   3, time: 20.08ms
prediction   4, time: 19.98ms

int1/int4=0.38