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CUDA: enable sparse fa for qwen4

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Aman Gupta
2026-09-11 23:06:46 +08:00
parent 4d9176092d
commit 41a4ad00dd
5 changed files with 68 additions and 35 deletions
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tests/test-backend-ops.cpp
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@@ -10464,6 +10464,11 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
test_cases.emplace_back(new test_flash_attn_ext(128, 128, 1, { 8, 1}, 4096, 64, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_F16, GGML_TYPE_F16, {0, 1, 2, 3}, true, false, 512));
test_cases.emplace_back(new test_flash_attn_ext(128, 128, 1, { 8, 1}, 4096, 64, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_F16, GGML_TYPE_F16, {0, 1, 2, 3}, true, false, 2048));
// sparse attn (qwen4 shape - gqa 12)
test_cases.emplace_back(new test_flash_attn_ext(256, 256, 2, {12, 1}, 4096, 1, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_F16, GGML_TYPE_F16, {0, 1, 2, 3}, true, false, 512));
test_cases.emplace_back(new test_flash_attn_ext(256, 256, 2, {12, 1}, 8192, 64, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_F16, GGML_TYPE_F16, {0, 1, 2, 3}, true, false, 512));
test_cases.emplace_back(new test_flash_attn_ext(256, 256, 1, {12, 2}, 8192, 67, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_F16, GGML_TYPE_F16, {0, 1, 2, 3}, true, false, 512));
// sparse mask + quantized cache
test_cases.emplace_back(new test_flash_attn_ext(128, 128, 1, { 8, 1}, 4096, 1, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_Q8_0, GGML_TYPE_Q8_0, {0, 1, 2, 3}, true, false, 512));
test_cases.emplace_back(new test_flash_attn_ext(128, 128, 1, { 8, 1}, 4096, 64, true, false, 0, 0, GGML_PREC_F32, GGML_TYPE_Q8_0, GGML_TYPE_Q8_0, {0, 1, 2, 3}, true, false, 512));