diff --git a/cpp/bench/ann/conf/deep-100M.json b/cpp/bench/ann/conf/deep-100M.json
index fb29556ead..97d670b614 100644
--- a/cpp/bench/ann/conf/deep-100M.json
+++ b/cpp/bench/ann/conf/deep-100M.json
@@ -222,31 +222,324 @@
       "name" : "cagra.dim32",
       "algo" : "raft_cagra",
       "build_param": {
-        "index_dim" : 32
+        "index_dim": 32,
+        "intermediate_graph_degree": 48
       },
-      "file" : "index/deep-100M/cagra/dim32",
+            "file": "index/deep-100M/cagra/dim32",
+            "search_params": [
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 0,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 32,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 4,
+                    "max_iterations": 16,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 1,
+                    "max_iterations": 64,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 96,
+                    "search_width": 2,
+                    "max_iterations": 48,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 8,
+                    "max_iterations": 16,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 2,
+                    "max_iterations": 64,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 8,
+                    "max_iterations": 24,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 2,
+                    "max_iterations": 96,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 256,
+                    "search_width": 8,
+                    "max_iterations": 32,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 384,
+                    "search_width": 8,
+                    "max_iterations": 48,
+                    "algo": "single_cta"
+                },
+                {
+                    "itopk": 512,
+                    "search_width": 8,
+                    "max_iterations": 64,
+                    "algo": "single_cta"
+                }
+            ],
+            "search_result_file": "result/deep-100M/cagra/dim32"
+        },
+        {
+            "name": "cagra.dim32.multi_cta",
+            "algo": "raft_cagra",
+            "build_param": {
+                "index_dim": 32,
+                "intermediate_graph_degree": 48
+            },
+            "file": "index/deep-100M/cagra/dim32",
+            "search_params": [
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 0,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 32,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 4,
+                    "max_iterations": 16,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 1,
+                    "max_iterations": 64,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 96,
+                    "search_width": 2,
+                    "max_iterations": 48,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 8,
+                    "max_iterations": 16,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 2,
+                    "max_iterations": 64,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 8,
+                    "max_iterations": 24,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 2,
+                    "max_iterations": 96,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 256,
+                    "search_width": 8,
+                    "max_iterations": 32,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 384,
+                    "search_width": 8,
+                    "max_iterations": 48,
+                    "algo": "multi_cta"
+                },
+                {
+                    "itopk": 512,
+                    "search_width": 8,
+                    "max_iterations": 64,
+                    "algo": "multi_cta"
+                }
+            ],
+            "search_result_file": "result/deep-100M/cagra/dim32_multi_cta"
+        },
+        {
+            "name": "cagra.dim32.multi_kernel",
+            "algo": "raft_cagra",
+            "build_param": {
+                "index_dim": 32,
+                "intermediate_graph_degree": 48
+            },
+            "file": "index/deep-100M/cagra/dim32",
+            "search_params": [
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 0,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 32,
+                    "search_width": 1,
+                    "max_iterations": 32,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 4,
+                    "max_iterations": 16,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 64,
+                    "search_width": 1,
+                    "max_iterations": 64,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 96,
+                    "search_width": 2,
+                    "max_iterations": 48,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 8,
+                    "max_iterations": 16,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 128,
+                    "search_width": 2,
+                    "max_iterations": 64,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 8,
+                    "max_iterations": 24,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 192,
+                    "search_width": 2,
+                    "max_iterations": 96,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 256,
+                    "search_width": 8,
+                    "max_iterations": 32,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 384,
+                    "search_width": 8,
+                    "max_iterations": 48,
+                    "algo": "multi_kernel"
+                },
+                {
+                    "itopk": 512,
+                    "search_width": 8,
+                    "max_iterations": 64,
+                    "algo": "multi_kernel"
+                }
+            ],
+            "search_result_file": "result/deep-100M/cagra/dim32_multi_kernel"
+        },
+        {
+            "name": "cagra.dim64",
+            "algo": "raft_cagra",
+            "build_param": {
+                "index_dim": 64
+            },
+            "file": "index/deep-100M/cagra/dim64",
       "search_params" : [
-        {"itopk": 32},
-        {"itopk": 64},
-        {"itopk": 128}
+        {
+          "itopk": 32,
+          "search_width": 1,
+          "max_iterations": 0
+        },
+        {
+          "itopk": 32,
+          "search_width": 1,
+          "max_iterations": 32
+        },
+        {
+          "itopk": 64,
+          "search_width": 4,
+          "max_iterations": 16
+        },
+        {
+          "itopk": 64,
+          "search_width": 1,
+          "max_iterations": 64
+        },
+        {
+          "itopk": 96,
+          "search_width": 2,
+          "max_iterations": 48
+        },
+        {
+          "itopk": 128,
+          "search_width": 8,
+          "max_iterations": 16
+        },
+        {
+          "itopk": 128,
+          "search_width": 2,
+          "max_iterations": 64
+        },
+        {
+          "itopk": 192,
+          "search_width": 8,
+          "max_iterations": 24
+        },
+        {
+          "itopk": 192,
+          "search_width": 2,
+          "max_iterations": 96
+        },
+        {
+          "itopk": 256,
+          "search_width": 8,
+          "max_iterations": 32
+        },
+        {
+          "itopk": 384,
+          "search_width": 8,
+          "max_iterations": 48
+        },
+        {
+          "itopk": 512,
+          "search_width": 8,
+          "max_iterations": 64
+        }
       ],
       "search_result_file" : "result/deep-100M/cagra/dim32"
-    },
-
-
-    {
-      "name" : "cagra.dim64",
-      "algo" : "raft_cagra",
-      "build_param": {
-        "index_dim" : 64
-      },
-      "file" : "index/deep-100M/cagra/dim64",
-      "search_params" : [
-        {"itopk": 32},
-        {"itopk": 64},
-        {"itopk": 128}
-      ],
-      "search_result_file" : "result/deep-100M/cagra/dim64"
     }
   ]
 }
diff --git a/cpp/bench/ann/src/raft/raft_benchmark.cu b/cpp/bench/ann/src/raft/raft_benchmark.cu
index 4d8fdc9358..dcc4ae18be 100644
--- a/cpp/bench/ann/src/raft/raft_benchmark.cu
+++ b/cpp/bench/ann/src/raft/raft_benchmark.cu
@@ -144,6 +144,20 @@ void parse_search_param(const nlohmann::json& conf,
   if (conf.contains("itopk")) { param.p.itopk_size = conf.at("itopk"); }
   if (conf.contains("search_width")) { param.p.search_width = conf.at("search_width"); }
   if (conf.contains("max_iterations")) { param.p.max_iterations = conf.at("max_iterations"); }
+  if (conf.contains("algo")) {
+    if (conf.at("algo") == "single_cta") {
+      param.p.algo = raft::neighbors::experimental::cagra::search_algo::SINGLE_CTA;
+    } else if (conf.at("algo") == "multi_cta") {
+      param.p.algo = raft::neighbors::experimental::cagra::search_algo::MULTI_CTA;
+    } else if (conf.at("algo") == "multi_kernel") {
+      param.p.algo = raft::neighbors::experimental::cagra::search_algo::MULTI_KERNEL;
+    } else if (conf.at("algo") == "auto") {
+      param.p.algo = raft::neighbors::experimental::cagra::search_algo::AUTO;
+    } else {
+      std::string tmp = conf.at("algo");
+      THROW("Invalid value for algo: %s", tmp.c_str());
+    }
+  }
 }
 #endif