[Inference] Optimized some scattered optimization points in the framework

[isky-cd]

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📝 What does this PR do?

Summarize your work here. if you have any plots/diagrams/screenshots/tables, please attach them here. pytest: model benchmark:

bsz	in_len	out_len	Throughput (tokens/sec)
16	128	128	1823.16-> 1831.51
32	128	128	3144.30 -> 3164.13
64	128	128	5024.28 -> 5130.96
16	128	256	1791.81-> 1844.73
32	128	256	3134.06 -> 3153.95
64	128	256	5056.01 -> 5102.04

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