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[https://nvbugs/5636916][fix] Cherry-pick #10654: Fix accuracy issue of TWO-SHOT AllReduce kernel #10841

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hyukn merged 1 commit into from
Jan 21, 2026
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[https://nvbugs/5636916][fix] Cherry-pick #10654: Fix accuracy issue of TWO-SHOT AllReduce kernel #10841

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142 changes: 71 additions & 71 deletions cpp/tensorrt_llm/common/customAllReduceUtils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -126,62 +126,62 @@ inline AllReduceStrategyType selectStrategyLookUpTable(
inline AllReduceBestStrategyTableType AllReduceBestStrategyTableSM90
= {{ // TP=2
{// Fusion=NONE
{4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 5, 4, 4, 5, 5, 5, 4, 5, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 5, 4, 5, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 5, 5, 5, 5, 4, 4, 5, 0, 0, 0}, {4, 5, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 5, 5, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 5, 5, 5, 5, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 4, 5, 5, 5, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 5, 4, 4, 5, 4, 4, 5, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 5, 5, 5, 5, 5, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 5, 5, 5, 5, 4, 5, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 5, 5, 4, 4, 4, 5, 4, 4, 4, 0, 0, 0}, {4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}},
{ // TP=4
{// Fusion=NONE
{4, 4, 4, 4, 5, 4, 4, 5, 4, 5, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 5, 4, 5, 5, 5, 4, 4, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 5, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 5, 5, 5, 5, 4, 5, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 5, 4, 5, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 5, 4, 4, 4, 4, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 5, 4, 5, 5, 4, 4, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}},
{ // TP=8
{// Fusion=NONE
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 0, 0, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 5, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
Expand All @@ -191,67 +191,67 @@ inline AllReduceBestStrategyTableType AllReduceBestStrategyTableSM90
inline AllReduceBestStrategyTableType AllReduceBestStrategyTableSM100
= {{ // TP=2
{// Fusion=NONE
{4, 4, 4, 4, 4, 4, 4, 4, 5, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0}, {4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 5, 4, 4, 4, 5, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 5, 4, 5, 5, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 5, 5, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 5, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0},
{4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0}}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}}},
{ // TP=4
{// Fusion=NONE
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0}}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0}}},
{ // TP=8
{// Fusion=NONE
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_FP8
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0, 0}},
{// Fusion=RESIDUAL_RMS_NORM_QUANT_NVFP4
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 0, 0, 0, 0, 0, 0}}}};
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 0, 0}, {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0},
{4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 0, 0}}}};

inline const std::unordered_map<int, AllReduceBestStrategyTableType> AllReduceBestStrategyTable = {
{90, AllReduceBestStrategyTableSM90},
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9 changes: 0 additions & 9 deletions cpp/tensorrt_llm/kernels/communicationKernels/allReduceFusionKernels.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -137,17 +137,8 @@ public:
// corresponding CTA has not been launched.
for (int flag_idx = blockIdx.x; flag_idx < kBarrierFlagCount; flag_idx += gridDim.x)
{
#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 900))
asm volatile(
"st.global.relaxed.sys.b32 [%1], %0;" ::"r"(m_flag_value), "l"(m_target_flag + flag_idx * NRanks));
#else
st_flag(m_target_flag + flag_idx * NRanks, m_flag_value);
#endif
}
#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 900))
// Single release fence
asm volatile("fence.release.sys;");
#endif

while (ld_flag(m_current_flag) == prev_flag(m_flag_value))
{
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1 change: 1 addition & 0 deletions tests/microbenchmarks/all_reduce.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,7 @@ def allreduce_benchmark(
logger.set_rank(mapping.rank)

AutoTuner.get().setup_distributed_state(mapping)
dist = Distributed.get(mapping)

sm_version = get_sm_version()

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2 changes: 1 addition & 1 deletion tests/scripts/allreduce_perf/allreduce_heuristic_code_gen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -176,7 +176,7 @@ def main():
parser.add_argument("--enable_auto", action="store_true", default=False)

args = parser.parse_args()
tp_size_list = [2]
tp_size_list = [2, 4, 8]

# Process the benchmark data
# combine all the data into one dataframe
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