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[executorch][muse] Fix the DFlash final-block draft counts test #24050

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Merged
Gasoonjia merged 1 commit into from
Oct 22, 2026
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[executorch][muse] Fix the DFlash final-block draft counts test #24050

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17 changes: 10 additions & 7 deletions examples/models/muse-glimmer/tests/cuda_dflash_native_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -598,20 +598,23 @@ TEST_F(CudaDFlashNative, FinalWholeBlockFitsExactlyAndPreservesAllPrefillRows) {
ASSERT_TRUE(executor_);
const auto sid = open();
b::BatchOutput out;
const auto start = executor_->stats();
ASSERT_TRUE(executor_->execute({{input(sid, 0, Tokens(78, 1), false)}}, out));
Peer::check(*executor_, sid, 78);
EXPECT_EQ(executor_->stats().hidden_rows_d2h, 78);
// 78 prefill rows exceed the fresh context, so the prefill itself drains
// them through the dynamic draft.
const auto prefilled = executor_->stats();
EXPECT_GT(prefilled.draft_forwards - start.draft_forwards, 0);
EXPECT_EQ(prefilled.static_draft_forwards, start.static_draft_forwards);
fixture_->rejected.fill(0);
const auto drain = executor_->stats();
ASSERT_TRUE(executor_->execute({{input(sid, 78, {1})}}, out));
EXPECT_EQ(out.outputs[0]->tokens, predictions(78, 2));
Peer::check(*executor_, sid, 80);
// 79 rows exceed one static block: drain dynamically, then draft statically.
const auto drained = executor_->stats();
EXPECT_EQ(drained.static_draft_forwards - drain.static_draft_forwards, 1);
EXPECT_GT(
drained.draft_forwards - drain.draft_forwards,
drained.static_draft_forwards - drain.static_draft_forwards);
// The drained remainder fits one block: the decode drafts statically.
const auto drafted = executor_->stats();
EXPECT_EQ(drafted.draft_forwards - prefilled.draft_forwards, 1);
EXPECT_EQ(drafted.static_draft_forwards - prefilled.static_draft_forwards, 1);
fixture_->rejected.fill(15);
const auto before = executor_->stats();
ASSERT_TRUE(executor_->execute({{input(sid, 80, {prediction(79)})}}, out));
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