From b004a846dd14fb92ee7287219083a9aebd2e7d0b Mon Sep 17 00:00:00 2001
From: Filip Leonarski <filip.leonarski@psi.ch>
Date: Sat, 17 Oct 2026 09:24:40 +0200
Subject: [PATCH] RigidBodyGPU_CallsLeaveTheCallerOnItsCard: one engine on each
 card with the per-card Reserve

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PXc1zD1yxHqaR1DGdCTHL4
---
 tests/ModelValidationTest.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/ModelValidationTest.cpp b/tests/ModelValidationTest.cpp
index 25d16e3a4..885728b16 100644
--- a/tests/ModelValidationTest.cpp
+++ b/tests/ModelValidationTest.cpp
@@ -1705,7 +1705,9 @@ TEST_CASE("RigidBodyGPU_CallsLeaveTheCallerOnItsCard", "[ModelValidation][gpu]")
     const auto fobs = OwnAmplitudes(cryst, st, 3.5, logger);
     const size_t cards = get_gpu_count();
     std::vector<gemmi::Model> models(cards, st.models[0]);
-    auto pool = TestPool(models[0], st.cell, *sg, 3.5, fobs.v.size(), cards, logger);
+    auto pool = RigidBodyGPUPool::Plan(models[0], st.cell, *sg, 3.5, fobs.v.size(), logger);
+    REQUIRE(pool);
+    pool->Reserve(std::vector<size_t>(cards, 1));
     const int caller = RigidBodyGPUEngine::CurrentDevice();
     std::vector<std::unique_ptr<RigidBodyTargetGPU>> targets;
     for (size_t k = 0; k < cards; k++)