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tests : fix test-opt with GGML_BACKEND_DL #15599

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Merged
merged 1 commit into from
Aug 26, 2025
Merged

tests : fix test-opt with GGML_BACKEND_DL #15599

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11 changes: 6 additions & 5 deletions tests/test-opt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
#include "ggml.h"
#include "ggml-alloc.h"
#include "ggml-backend.h"
#include "ggml-cpu.h"
#include "ggml-opt.h"

#include <cmath>
Expand Down Expand Up @@ -899,6 +898,7 @@ static std::pair<int, int> test_backend(

int main(void) {
ggml_log_set(nullptr, nullptr);
ggml_backend_load_all();
const size_t dev_count = ggml_backend_dev_count();
printf("Testing %zu devices\n\n", dev_count);
size_t n_ok = 0;
Expand All @@ -911,11 +911,12 @@ int main(void) {

ggml_backend_t backend = ggml_backend_dev_init(devs[i], NULL);
GGML_ASSERT(backend != NULL);
#ifndef _MSC_VER
if (ggml_backend_is_cpu(backend)) {
ggml_backend_cpu_set_n_threads(backend, std::thread::hardware_concurrency() / 2);

auto * reg = ggml_backend_dev_backend_reg(devs[i]);
auto ggml_backend_set_n_threads_fn = (ggml_backend_set_n_threads_t) ggml_backend_reg_get_proc_address(reg, "ggml_backend_set_n_threads");
if (ggml_backend_set_n_threads_fn) {
ggml_backend_set_n_threads_fn(backend, std::thread::hardware_concurrency() / 2);
}
#endif
backends.push_back(backend);
}

Expand Down
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