diff --git a/configs/v1/32k.json b/configs/v1/32k.json
index 400b6be..d5f16d6 100644
--- a/configs/v1/32k.json
+++ b/configs/v1/32k.json
@@ -7,7 +7,7 @@
     "betas": [0.8, 0.99],
     "eps": 1e-9,
     "batch_size": 4,
-    "fp16_run": false,
+    "fp16_run": true,
     "lr_decay": 0.999875,
     "segment_size": 12800,
     "init_lr_ratio": 1,
diff --git a/configs/v1/40k.json b/configs/v1/40k.json
index cb30b8b..4ffc87b 100644
--- a/configs/v1/40k.json
+++ b/configs/v1/40k.json
@@ -7,7 +7,7 @@
     "betas": [0.8, 0.99],
     "eps": 1e-9,
     "batch_size": 4,
-    "fp16_run": false,
+    "fp16_run": true,
     "lr_decay": 0.999875,
     "segment_size": 12800,
     "init_lr_ratio": 1,
diff --git a/configs/v1/48k.json b/configs/v1/48k.json
index 6875991..2d0e05b 100644
--- a/configs/v1/48k.json
+++ b/configs/v1/48k.json
@@ -7,7 +7,7 @@
     "betas": [0.8, 0.99],
     "eps": 1e-9,
     "batch_size": 4,
-    "fp16_run": false,
+    "fp16_run": true,
     "lr_decay": 0.999875,
     "segment_size": 11520,
     "init_lr_ratio": 1,
diff --git a/configs/v2/32k.json b/configs/v2/32k.json
index 36adb8a..70e534f 100644
--- a/configs/v2/32k.json
+++ b/configs/v2/32k.json
@@ -7,7 +7,7 @@
     "betas": [0.8, 0.99],
     "eps": 1e-9,
     "batch_size": 4,
-    "fp16_run": false,
+    "fp16_run": true,
     "lr_decay": 0.999875,
     "segment_size": 12800,
     "init_lr_ratio": 1,
diff --git a/configs/v2/48k.json b/configs/v2/48k.json
index 73ee363..75f770c 100644
--- a/configs/v2/48k.json
+++ b/configs/v2/48k.json
@@ -7,7 +7,7 @@
     "betas": [0.8, 0.99],
     "eps": 1e-9,
     "batch_size": 4,
-    "fp16_run": false,
+    "fp16_run": true,
     "lr_decay": 0.999875,
     "segment_size": 17280,
     "init_lr_ratio": 1,