update u2++ ctc prefix beam search result (#2736)

speechx/build.sh

@@ -20,4 +20,4 @@ fi
 mkdir -p build
 
 cmake -B build -DBOOST_ROOT:STRING=${boost_SOURCE_DIR}
-cmake --build build
+cmake --build build -j

speechx/examples/u2pp_ol/wenetspeech/RESULTS.md

@@ -6,8 +6,11 @@
 
 > Intel(R) Xeon(R) Gold 6271C CPU @ 2.60GHz, support `avx512_vnni`
 > RTF with feature and decoder which is more end to end.
+
 ### FP32
 
+`local/recognizer.sh`
+
 #### CER
 
 ```
@@ -27,6 +30,8 @@ I1027 10:52:38.662876 51665 u2_recognizer_main.cc:123] RTF is: 0.309318
 
 ### INT8
 
+`local/recognizer_quant.sh`
+
 > RTF relative improve 12.8%, which count feature and decoder time.
 > Test under Paddle commit c331e2ce2031d68a553bc9469a07c30d718438f3  
 
@@ -46,3 +51,17 @@ I1110 09:59:52.551712 37249 u2_recognizer_main.cc:122] total wav duration is: 36
 I1110 09:59:52.551717 37249 u2_recognizer_main.cc:123] total decode cost:9737.63 sec
 I1110 09:59:52.551723 37249 u2_recognizer_main.cc:124] RTF is: 0.269674
 ```
+
+### CTC Prefix Beam Search
+
+`local/decode.sh`
+
+#### CER
+
+```
+Overall -> 6.74 % N=104765 C=98106 S=6516 D=143 I=401
+Mandarin -> 6.74 % N=104762 C=98106 S=6513 D=143 I=401
+English -> 0.00 % N=0 C=0 S=0 D=0 I=0
+Other -> 100.00 % N=3 C=0 S=3 D=0 I=0
+
+```