From 3667154b9ea3341fdf38955ebb5905afa6d5e810 Mon Sep 17 00:00:00 2001
From: Nicolas Sarlin <nicolas.sarlin@zama.ai>
Date: Mon, 6 Jan 2025 11:49:09 +0100
Subject: [PATCH] chore(shortint): update compression parameters

---
 .../shortint/parameters/list_compression.rs    |  9 ++++++---
 .../parameters/v0_10/list_compression.rs       | 18 ++++++++++++++++++
 tfhe/src/shortint/parameters/v0_10/mod.rs      |  1 +
 3 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 tfhe/src/shortint/parameters/v0_10/list_compression.rs

diff --git a/tfhe/src/shortint/parameters/list_compression.rs b/tfhe/src/shortint/parameters/list_compression.rs
index 2d582faf93..6e34507b11 100644
--- a/tfhe/src/shortint/parameters/list_compression.rs
+++ b/tfhe/src/shortint/parameters/list_compression.rs
@@ -23,14 +23,17 @@ pub struct CompressionParameters {
 }
 
 pub const COMP_PARAM_MESSAGE_2_CARRY_2_KS_PBS_TUNIFORM_2M64: CompressionParameters =
+    V0_11_COMP_PARAM_MESSAGE_2_CARRY_2_KS_PBS_TUNIFORM_2M64;
+
+pub const V0_11_COMP_PARAM_MESSAGE_2_CARRY_2_KS_PBS_TUNIFORM_2M64: CompressionParameters =
     CompressionParameters {
         br_level: DecompositionLevelCount(1),
         br_base_log: DecompositionBaseLog(23),
-        packing_ks_level: DecompositionLevelCount(4),
-        packing_ks_base_log: DecompositionBaseLog(4),
+        packing_ks_level: DecompositionLevelCount(2),
+        packing_ks_base_log: DecompositionBaseLog(6),
         packing_ks_polynomial_size: PolynomialSize(256),
         packing_ks_glwe_dimension: GlweDimension(4),
         lwe_per_glwe: LweCiphertextCount(256),
         storage_log_modulus: CiphertextModulusLog(12),
-        packing_ks_key_noise_distribution: DynamicDistribution::new_t_uniform(42),
+        packing_ks_key_noise_distribution: DynamicDistribution::new_t_uniform(43),
     };
diff --git a/tfhe/src/shortint/parameters/v0_10/list_compression.rs b/tfhe/src/shortint/parameters/v0_10/list_compression.rs
new file mode 100644
index 0000000000..7f47eecb64
--- /dev/null
+++ b/tfhe/src/shortint/parameters/v0_10/list_compression.rs
@@ -0,0 +1,18 @@
+use crate::core_crypto::prelude::{CiphertextModulusLog, LweCiphertextCount};
+use crate::shortint::parameters::{
+    CompressionParameters, DecompositionBaseLog, DecompositionLevelCount, DynamicDistribution,
+    GlweDimension, PolynomialSize,
+};
+
+pub const V0_10_COMP_PARAM_MESSAGE_2_CARRY_2_KS_PBS_TUNIFORM_2M64: CompressionParameters =
+    CompressionParameters {
+        br_level: DecompositionLevelCount(1),
+        br_base_log: DecompositionBaseLog(23),
+        packing_ks_level: DecompositionLevelCount(4),
+        packing_ks_base_log: DecompositionBaseLog(4),
+        packing_ks_polynomial_size: PolynomialSize(256),
+        packing_ks_glwe_dimension: GlweDimension(4),
+        lwe_per_glwe: LweCiphertextCount(256),
+        storage_log_modulus: CiphertextModulusLog(12),
+        packing_ks_key_noise_distribution: DynamicDistribution::new_t_uniform(42),
+    };
diff --git a/tfhe/src/shortint/parameters/v0_10/mod.rs b/tfhe/src/shortint/parameters/v0_10/mod.rs
index 94ce0d066b..ff93f2a819 100644
--- a/tfhe/src/shortint/parameters/v0_10/mod.rs
+++ b/tfhe/src/shortint/parameters/v0_10/mod.rs
@@ -5,4 +5,5 @@
 pub mod classic;
 pub mod compact_public_key_only;
 pub mod key_switching;
+pub mod list_compression;
 pub mod multi_bit;