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RandySheriffH authored and GitHub committed 4dfb89b3ad4
Implement mutex-free spin lock for task queue (#14834) Implemented "lock-free" spinlock to save CPU usage on context switching. The change has been tested on queene service of Ads team, the lock-free version of ort (40 threads) saves CPU usage on gen8 (128 logical processors on 8 numa nodes) windows by nearly half, from 65% to 35%. For 32 cores, the curve is flat: Anubis, 32 vCPU, windows, hugging face models, 95 percentile E2E latency in ms: model | mutex(ms) | mutex-free --- | --- | --- alvert_base_v2 | 34.21 | 34.09 bert_large_uncased | 116.27| 117.84 bart_base | 72.06 | 71.99 distilgpt2 | 25.43 | 25.02 vit_base_patch16_224 | 37.33 | 37.76 Anubis, 32 vCPU win, Linux, 1st party models, 95 percentile E2E latency in ms: model | mutex(ms) | mutex-free --- | --- | --- deepthink_v2 | 24.35 | 22.95 bing_feeds | 36.96 | 36.48 deep_writes | 14.46 | 14.32 keypoints | 9.34 | 7.69 model11 | 1.71 | 1.66 model12 | 1.82 | 1.44 model2 | 4.21 | 3.95 model6 | 1.08 | 1.05 agiencoder | 0.99 | 0.93 geminet_transformer | 5.32 | 5.24 --------- Co-authored-by: Randy Shuai <rashuai@microsoft.com>