Help is available by moving the cursor above any
symbol or by checking MAQAO website.
| Metric | r0 | r1 | r2 | r3 | |
|---|---|---|---|---|---|
| Total Time (s) | 7.42 | 7.70 | 7.38 | 7.80 | |
| Max (Thread Active Time) (s) | 5.30 | 5.23 | 5.03 | 5.09 | |
| Average Active Time (s) | 4.34 | 4.27 | 4.18 | 4.26 | |
| Activity Ratio (%) | 77.0 | 75.3 | 75.2 | 73.4 | |
| Average number of active threads | 56.057 | 53.213 | 54.324 | 52.414 | |
| Affinity Stability (%) | 95.8 | 92.8 | 95.2 | 92.6 | |
| Time in analyzed loops (%) | 64.0 | 63.7 | 64.7 | 64.3 | |
| Time in analyzed innermost loops (%) | 61.5 | 61.1 | 62.1 | 61.6 | |
| Time in user code (%) | 64.8 | 64.1 | 65.3 | 64.8 | |
| Compilation Options Score (%) | 99.3 | 75.0 | 99.3 | 87.5 | |
| Array Access Efficiency (%) | 70.4 | 77.9 | 71.0 | 77.8 | |
| Potential Speedups | |||||
| Perfect Flow Complexity | 1.00 | 1.01 | 1.00 | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB | 1.28 | 1.31 | 1.30 | 1.27 | |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.86 | 1.89 | 1.82 | 1.82 | |
| No Scalar Integer | Potential Speedup | 1.01 | 1.02 | 1.00 | 1.01 |
| Nb Loops to get 80% | 4 | 3 | 1 | 3 | |
| FP Vectorised | Potential Speedup | 1.00 | 1.00 | 1.01 | 1.01 |
| Nb Loops to get 80% | 1 | 2 | 2 | 2 | |
| Fully Vectorised | Potential Speedup | 1.36 | 1.34 | 1.38 | 1.34 |
| Nb Loops to get 80% | 2 | 1 | 2 | 1 | |
| Only FP Arithmetic | Potential Speedup | 1.75 | 1.74 | 1.76 | 1.75 |
| Nb Loops to get 80% | 2 | 1 | 2 | 1 | |
| Source Object | Issue |
|---|---|
| ▼libllama.so | |
| ▼ | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), it is needed to have more accurate reports. Other recommended flags are: -O2/-O3, -march=(target) |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| ▼libggml-cpu.so | |
| ▼binary-ops.cpp | |
| ○ | |
| ▼kai_rhs_pack_nxk_qsi4c32pscalef16_qsu4c32s16s0.c | |
| ○ | |
| ▼kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c | |
| ○ | |
| ▼kleidiai.cpp | |
| ○ | |
| ▼quants.c | |
| ○ | |
| ▼kai_lhs_quant_pack_qsi8d32p4x8sb_f32_neon.c | |
| ○ | |
| ▼vec.cpp | |
| ○ | |
| ▼ggml-cpu.c | |
| ○ | |
| ▼ops.cpp | |
| ○ | |
| ▼[vdso] | |
| ▼ | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), it is needed to have more accurate reports. Other recommended flags are: -O2/-O3, -march=(target) |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| ▼libggml-base.so | |
| ▼ggml.c | |
| ○ | -mcpu=native is missing. |
| r0 | r1 | r2 | r3 | |
|---|---|---|---|---|
| Experiment Name | ||||
| Application | /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/run/oneview_runs/defaults/orig/exec | /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/run/base_runs/defaults/gcc/exec | /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/run/binaries/armclang_3/exec | /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/run/binaries/gcc_5/exec |
| Timestamp | 2025-10-25 08:49:23 | 2025-10-25 08:50:49 | 2025-10-25 09:00:13 | 2025-10-25 09:00:40 |
| Experiment Type | MPI; OpenMP; | same as r0 | same as r0 | same as r0 |
| Machine | ip-172-31-47-249.ec2.internal | same as r0 | same as r0 | same as r0 |
| Architecture | aarch64 | same as r0 | same as r0 | same as r0 |
| Micro Architecture | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 |
| Model Name | ||||
| Cache Size | ||||
| Number of Cores | ||||
| Maximal Frequency | 0 GHz | same as r0 | same as r0 | same as r0 |
| OS Version | Linux 6.1.155-176.282.amzn2023.aarch64 #1 SMP Tue Oct 7 15:53:00 UTC 2025 | same as r0 | same as r0 | same as r0 |
| Architecture used during static analysis | aarch64 | same as r0 | same as r0 | same as r0 |
| Micro Architecture used during static analysis | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 |
| Compilation Options | + [vdso]: N/A libggml-base.so: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_AmazonLinux-2023/llvm-bin/clang-19 -D GGML_BUILD -D GGML_COMMIT=\"unknown\" -D GGML_SCHED_MAX_COPIES=4 -D GGML_SHARED -D GGML_USE_CPU_KLEIDIAI -D GGML_VERSION=\"0.0.0\" -D _GNU_SOURCE -D _XOPEN_SOURCE=600 -D ggml_base_EXPORTS -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_fp32_bf16p_bf16p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/pack -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/../include -O3 -g -fno-omit-frame-pointer -fcf-protection=none -no-pie -grecord-command-line -O3 -D NDEBUG -std=gnu11 -fPIC -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes -Werror=implicit-int -Werror=implicit-function-declaration -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function -Wunreachable-code-break -Wunreachable-code-return -Wdouble-promotion -MD -MT ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o -MF ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o.d -o ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o -c /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/ggml.c libggml-cpu.so: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_AmazonLinux-2023/llvm-bin/clang-19 -D GGML_BACKEND_BUILD -D GGML_BACKEND_SHARED -D GGML_SCHED_MAX_COPIES=4 -D GGML_SHARED -D GGML_USE_CPU_KLEIDIAI -D GGML_USE_CPU_REPACK -D GGML_USE_LLAMAFILE -D GGML_USE_OPENMP -D _GNU_SOURCE -D _XOPEN_SOURCE=600 -D ggml_cpu_EXPORTS -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/.. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/ggml-cpu -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_fp32_bf16p_bf16p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/pack -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/../include -O3 -g -fno-omit-frame-pointer -fcf-protection=none -no-pie -grecord-command-line -O3 -D NDEBUG -std=gnu11 -fPIC -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes -Werror=implicit-int -Werror=implicit-function-declaration -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function -Wunreachable-code-break -Wunreachable-code-return -Wdouble-promotion -mcpu=native+dotprod+i8mm+sve+nosme -fopenmp=libomp -mcpu=native+dotprod+i8mm+sve+nosme -MD -MT ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o -MF ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o.d -o ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o -c /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/build/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c libllama.so: N/A | exec: N/A libggml-base.so: GNU C11 14.2.0 -mlittle-endian -mabi=lp64 -g -O3 -O3 -std=gnu11 -fno-omit-frame-pointer -fcf-protection=none -fPIC libggml-cpu.so: GNU C11 14.2.0 -mcpu=neoverse-v2+crc+sve2-aes+sve2-sha3+nossbs+dotprod+i8mm+sve+nosme -mlittle-endian -mabi=lp64 -g -O3 -O3 -std=gnu11 -fno-omit-frame-pointer -fcf-protection=none -fPIC -fopenmp libllama.so: N/A | + [vdso]: N/A libggml-base.so: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_AmazonLinux-2023/llvm-bin/clang-19 -D GGML_BUILD -D GGML_COMMIT=\"unknown\" -D GGML_SCHED_MAX_COPIES=4 -D GGML_SHARED -D GGML_USE_CPU_KLEIDIAI -D GGML_VERSION=\"0.0.0\" -D _GNU_SOURCE -D _XOPEN_SOURCE=600 -D ggml_base_EXPORTS -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_fp32_bf16p_bf16p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/pack -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/../include -O3 -O3 -mcpu=neoverse-v2+nosve+nosve2 -armpl -ffast-math -g -fno-omit-frame-pointer -fcf-protection=none -no-pie -grecord-command-line -fno-finite-math-only -O3 -D NDEBUG -std=gnu11 -fPIC -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes -Werror=implicit-int -Werror=implicit-function-declaration -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function -Wunreachable-code-break -Wunreachable-code-return -Wdouble-promotion -MD -MT ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o -MF ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o.d -o ggml/src/CMakeFiles/ggml-base.dir/ggml.c.o -c /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/ggml.c libggml-cpu.so: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_AmazonLinux-2023/llvm-bin/clang-19 -D GGML_BACKEND_BUILD -D GGML_BACKEND_SHARED -D GGML_SCHED_MAX_COPIES=4 -D GGML_SHARED -D GGML_USE_CPU_KLEIDIAI -D GGML_USE_CPU_REPACK -D GGML_USE_LLAMAFILE -D GGML_USE_OPENMP -D _GNU_SOURCE -D _XOPEN_SOURCE=600 -D ggml_cpu_EXPORTS -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/.. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/. -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/ggml-cpu -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_fp32_bf16p_bf16p -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/pack -I /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/llama.cpp/ggml/src/../include -O3 -O3 -mcpu=neoverse-v2+nosve+nosve2 -armpl -ffast-math -g -fno-omit-frame-pointer -fcf-protection=none -no-pie -grecord-command-line -fno-finite-math-only -O3 -D NDEBUG -std=gnu11 -fPIC -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes -Werror=implicit-int -Werror=implicit-function-declaration -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function -Wunreachable-code-break -Wunreachable-code-return -Wdouble-promotion -fopenmp=libomp -MD -MT ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o -MF ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o.d -o ggml/src/CMakeFiles/ggml-cpu.dir/__/__/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c.o -c /home/eoseret/Tools/QaaS/qaas_runs/ip-172-31-47-249.ec2.internal/176-138-2040/llama.cpp/build/armclang_3/_deps/kleidiai_download-src/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p4x8_16x4_neon_i8mm.c libllama.so: N/A | exec: N/A libggml-base.so: GNU C11 14.2.0 -mcpu=neoverse-v2 -mlittle-endian -mabi=lp64 -g -O2 -std=gnu11 -funroll-loops -ffast-math -fno-omit-frame-pointer -fcf-protection=none -fno-finite-math-only -fPIC libggml-cpu.so: GNU C11 14.2.0 -mcpu=neoverse-v2 -mlittle-endian -mabi=lp64 -g -O2 -std=gnu11 -funroll-loops -ffast-math -fno-omit-frame-pointer -fcf-protection=none -fno-finite-math-only -fPIC -fopenmp libllama.so: N/A |
| Number of processes observed | 1 | same as r0 | same as r0 | same as r0 |
| Number of threads observed | 96 | same as r0 | same as r0 | same as r0 |
| Frequency Driver | NA | same as r0 | same as r0 | same as r0 |
| Frequency Governor | NA | same as r0 | same as r0 | same as r0 |
| Huge Pages | madvise | same as r0 | same as r0 | same as r0 |
| Hyperthreading | off | same as r0 | same as r0 | same as r0 |
| Number of sockets | 1 | same as r0 | same as r0 | same as r0 |
| Number of cores per socket | 96 | same as r0 | same as r0 | same as r0 |
| MAQAO version | 2025.1.3 | same as r0 | same as r0 | same as r0 |
| MAQAO build | b489783858807c9a72e0923fd7b399a22c81991c::20251024-122946 | same as r0 | same as r0 | same as r0 |
| Comments | same as r0 | same as r0 | same as r0 |