Vector evaluations

benchmarks/vector/saxpy/Makefile

@@ -1,11 +1,11 @@
 LIB_PATH = ../../../runtime
 
-COMP     = /nethome/ekim79/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-gcc
+COMP     = /home/priya/dev/riscv_vec/riscv-gnu/bin/riscv32-unknown-elf-gcc
 
 CC_FLAGS = -ffreestanding -O0 -Wl,--gc-sections -nostartfiles -nostdlib -nostartfiles -nodefaultlibs -Wl,-Bstatic,-T,$(LIB_PATH)/mains/vortex_link.ld -march=rv32imv -mabi=ilp32
 
-DMP  = /nethome/ekim79/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-objdump
-CPY  = /nethome/ekim79/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-objcopy
+DMP  = /home/priya/dev/riscv_vec/riscv-gnu/bin/riscv32-unknown-elf-objdump
+CPY  = /home/priya/dev/riscv_vec/riscv-gnu/bin/riscv32-unknown-elf-objcopy
 
 # VX_STR  = ../../startup/vx_start.s
 
@@ -17,7 +17,7 @@ VX_API  = $(LIB_PATH)/vx_api/vx_api.c
 VX_TEST = $(LIB_PATH)/tests/tests.c
 VX_FIO  = $(LIB_PATH)/fileio/fileio.s
 VX_VEC  = vx_vec_saxpy.s       #float --> int
-LIBS    = /nethome/ekim79/riscv-gnu-toolchain/drops/riscv32-unknown-elf/lib/libc.a /nethome/ekim79/riscv-gnu-toolchain/drops/riscv32-unknown-elf/lib/libstdc++.a -static-libgcc -lgcc
+LIBS    = /home/priya/dev/riscv_vec/riscv-gnu/riscv32-unknown-elf/lib/libc.a /home/priya/dev/riscv_vec/riscv-gnu/riscv32-unknown-elf/lib/libstdc++.a -static-libgcc -lgcc
 
 VX_MAIN = vx_vec_saxpy
 

benchmarks/vector/saxpy/vx_vec_saxpy.c

@@ -16,7 +16,7 @@ int main()
 {
     vx_tmc(1);
 
-    int n = 4; //#define NUM_DATA 65536
+    int n = 64; //#define NUM_DATA 65536
 
     int *a = (int*)malloc(sizeof(int) * n); 
     int *b = (int*)malloc(sizeof(int) * n); 
@@ -39,9 +39,18 @@ int main()
 //    for(int i = 0; i < n; ++i) printf("%d \n", b[i]);
 #endif
 
+    int startCycles = vx_getCycles();
+    int startInst = vx_getInst();
     vx_vec_saxpy(n, factor, a, b);
+    int endCycles = vx_getCycles();
+    int endInst = vx_getInst();
 
-#if 1
+    int totalInst = (endInst - startInst);
+    int totalCycles = (endCycles - startCycles);
+
+    printf("\nCycles = %d, Instructions = %d", totalCycles, totalInst);
+
+#if 0
     printf("\nsaxpy\na[%d]: ", n);
     for(int i = 0; i < n; ++i) printf("%d ", a[i]);
     printf("\n\nb[%d]: ", n);

benchmarks/vector/saxpy/vx_vec_saxpy.s

@@ -10,8 +10,8 @@
 #     a2      a
 #     a3      b
 vx_vec_saxpy:
-    vsetvli a4, a0, e32
 loop:
+    vsetvli a4, a0, e32
     vlw.v v0, (a2)
     sub a0, a0, a4
     slli a4, a4, 2