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Make sparse benchmark problem size scale with numNodes #5530

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Merged
benharsh merged 2 commits into from
Sep 11, 2026
Merged

Make sparse benchmark problem size scale with numNodes #5530

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fee3b46
Make sparse benchmark problem size scale with numNodes
benharsh Sep 10, 2026
91f9268
Correctly get arkouda config before computing problem size
benharsh Sep 10, 2026
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13 changes: 9 additions & 4 deletions benchmarks/sparse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,11 @@ def compare_scipy(left, right, rtol=1e-9, atol=0.0, equal_nan=False):
return True


def time_ak_sparse(N, trials, dtype, seed):
print(">>> arkouda {} sparse".format(dtype))
def time_ak_sparse(N_per_locale, trials, dtype, seed):
cfg = ak.get_config()
N = N_per_locale * cfg["numNodes"]

print(">>> arkouda {} sparse".format(dtype))
print("numLocales = {}, numNodes {}, N = {:,}".format(cfg["numLocales"], cfg["numNodes"], N))

nnz = N * 10
Expand Down Expand Up @@ -66,7 +68,10 @@ def time_ak_sparse(N, trials, dtype, seed):
print("Average CSCxCSR time = {:.4f} seconds".format(np.mean(multiplication_times)))


def time_np_sparse(N, trials, dtype, seed):
def time_np_sparse(N_per_locale, trials, dtype, seed):
cfg = ak.get_config()
N = N_per_locale * cfg["numNodes"]

print(">>> numpy {} sparse".format(dtype))
print("N = {:,}".format(N))

Expand Down Expand Up @@ -145,7 +150,7 @@ def create_parser():
parser = argparse.ArgumentParser(description="Benchmark sparse matrix creation and multiplication.")
parser.add_argument("hostname", type=str, help="Name of the Arkouda server")
parser.add_argument("port", type=int, help="Port of the Arkouda server")
parser.add_argument("-n", "--size", type=int, default=(10**6), help="Size of the sparse matrices")
parser.add_argument("-n", "--size", type=int, default=62500, help="Size of the sparse matrices")
parser.add_argument("-t", "--trials", type=int, default=3, help="Number of trials for benchmarking")
parser.add_argument(
"-d", "--dtype", default="int64", help="Dtype of array ({})".format(", ".join(TYPES))
Expand Down
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