kernel_code
stringlengths
49
1.22M
kernel void foo(global int* data) { data[1] = data[0]; }
constant float kPowersOfTwo[] = {1.0f, 2.0f, 4.0f, 8.0f, 16.0f, 32.0f, 64.0f, 128.0f, 256.0f, 512.0f, 1024.0f, 2048.0f, 4096.0f, 8192.0f, 16384.0f, 32768.0f, 65536.0f, 131072.0f, 262144.0f, 524288.0f, 1048576.0f, 2097152.0f, 4194304.0f, 8388608.0f, 16777216.0f, 33554432.0f}; constant int kPowersOfTwoSize = 26; float L...
kernel void unary_minus_ulong2(global ulong2* src_0, global ulong2* dst) { int gid = get_global_id(0); dst[gid] = -src_0[gid]; }
kernel void remainder_float4float4(global float4* src_0, global float4* src_1, global float4* dst) { int gid = get_global_id(0); dst[gid] = remainder(src_0[gid], src_1[gid]); }
kernel void sph_kernel_hashparticles(float viewWidth, float viewHeight, float viewDepth, int nx, int ny, int nz, float cellSize, global float4* pos, global uint2* partIdx, global float4* vel) { size_t gid = get_global_id(0); float3 tempPos; float rangeRatioX = (nx * cellSize - 0.0f) / viewWidth; float rangeRa...
kernel void updateDir(global float* newRDotR, global float* oldRDotR, global float* r, global float* p) { int id = get_global_id(0); p[id] = r[id] + (*newRDotR) / (*oldRDotR) * p[id]; }
float linear_to_gamma_2_2(float value) { if (value > 0.003130804954f) return 1.055f * native_powr(value, (1.0f / 2.4f)) - 0.055f; return 12.92f * value; } float gamma_2_2_to_linear(float value) { if (value > 0.04045f) return native_powr((value + 0.055f) / 1.055f, 2.4f); return value / 12.92f; } kernel...
kernel void test_fast_length(const global float* in, global float* out) { unsigned int gid = get_global_id(0); vstore3(fast_length(vload3(gid, in)), gid, out); }
kernel void element_product_three_f(global float* output, global const float* x, global const float* y, const unsigned int size) { unsigned int tid = get_global_id(0); if (tid < size) output[tid] = x[tid] * y[tid]; }
kernel void SimpleKernel4(const global float4* input, global float4* output) { size_t index = get_global_id(0); output[index] = rsqrt(fabs(input[index])); }
kernel void MatVecMultUsingDotFn(global float4* matrix, global float4* vector, global float* result) { size_t i = get_group_id(0) * get_local_size(0) + get_local_id(0); result[i] = dot(matrix[i], vector[0]); }
kernel void logb_float2(global float2* src_0, global float2* dst) { int gid = get_global_id(0); dst[gid] = logb(src_0[gid]); }
kernel void test_stream_read_uint(global unsigned int* dst) { dst[0] = ((1U << 16) + 1U); }
kernel void create_rids(global unsigned int* restrict input, global unsigned int* restrict rids, private unsigned int maximum) { unsigned int idx = get_global_id(0); if (idx < maximum) rids[idx] = idx; }
kernel void maxCl(global const int* a, global int* maxData) { size_t i = get_global_id(0); *maxData = min((int)maxData, a[i]); }
kernel void sampleKernel(global int* evt, global const int* script, global int* iscript, global int* iop, global int* step, global char* vm, global int* nrg) { int idx = get_global_id(0); int lstep = step[0]; if (evt[idx] == 0) { evt[idx] = script[idx * lstep * 2 + iscript[idx] * 2]; iop[idx] = script[id...
kernel void kernel_fdim_withoutDD1(global float* result_fdim, int n) { float p1 = -12.9; float p2 = -19.1; float p3 = -19.1; float p4 = -19.1; float p5 = -19.1; float p6 = -19.1; float p7 = -19.1; float p8 = -19.1; float p9 = -19.1; float p10 = -19.1; float k1 = 0.01; float k2 = 0.02; float k3...
kernel void test_block_1_5_kern(global float* a0, global float* b0, global float* b1, global float* b2, global float* b3, global float* b4, local float* c0) { int i; unsigned int gtid = get_global_id(0); unsigned int ltid = get_local_id(0); size_t lsz = get_local_size(0); c0[ltid] = a0[gtid] + 0.1f; barrier...
inline unsigned int lowerBoundBinary(global float* data, unsigned int left, unsigned int right, float searchVal) { unsigned int firstIndex = left; unsigned int lastIndex = right; while (firstIndex < lastIndex) { unsigned int midIndex = (firstIndex + lastIndex) / 2; float midValue = data[midIndex]; i...
kernel void test_arg_3_6_kern(global float* a0, global float* a1, global float* a2, global float* b0, global float* b1, global float* b2, global float* b3, global float* b4, global float* b5) { unsigned int gtid = get_global_id(0); float tmp0 = a0[gtid] + 0.1f; float tmp1 = a1[gtid] + 1.1f; float tmp2 = a2[gtid...
kernel void rdwdot2_kernel(global const float* RKF, global const float* RKR, global float* WDOT, const float rateconv, global const float* molwt) { (WDOT[(((21) - 1) * (4)) + (get_global_id(0))]) = (((RKF[(((145) - 1) * (4)) + (get_global_id(0))]) - (RKR[(((145) - 1) * (4)) + (get_global_id(0))])) + ((RKF[(((185) - 1...
kernel void kernel_nextafter_withDD1(global float* result_nextafter, int N) { float t1 = 1.4; float t2 = -3.0; int i = 0; for (i = 0; i < N; i++) { t1 = nextafter(t1, t2); t1 = nextafter(t1, t2); t1 = nextafter(t1, t2); t1 = nextafter(t1, t2); t1 = nextafter(t1, t2); t1 = nextafter(t1, t...
kernel void Saxpy_noincx(float alpha, global float* x, global float* y, unsigned int incy) { unsigned int gid = get_global_id(0); float this_x = x[gid]; float this_y = y[gid * incy]; this_y += alpha * this_x; y[gid * incy] = this_y; }
kernel void divide_ulongulong(global ulong* src_0, global ulong* src_1, global float* dst) { int gid = get_global_id(0); dst[gid] = (float)(src_0[gid] / src_1[gid]); }
kernel void rdwdot8_kernel(global const float* RKF, global const float* RKR, global float* WDOT, const float rateconv, global const float* molwt) { float ROP12 = ((RKF[(((12) - 1) * (4)) + (get_global_id(0))]) - (RKR[(((12) - 1) * (4)) + (get_global_id(0))])) + ((RKF[(((13) - 1) * (4)) + (get_global_id(0))]) - (RKR[(...
kernel void decrypt(global int* plaintext, global int* key, global int* ciphertext) { unsigned int i = get_global_id(0); if (plaintext[i] > 31) { ciphertext[i] = plaintext[i] - key[i] + 32; if (ciphertext[i] < 32) { ciphertext[i] += 95; } } else { ciphertext[i] = plaintext[i]; } }
kernel void gauss_sphere(volatile global float4* normal, global int* north_hemisphere, global int* south_hemisphere, const float alpha_g, const float beta_g) { private const float beta = beta_g; private const float alpha = alpha_g; private const int rows = 2 * (1 + (int)ceil(beta / alpha)) + 1; private int...
kernel void undulator_taper(const float alpha, const float Kx, const float Ky, const float phase, const int jend, global float* gamma, global float* wu, global float* w, global float* ww1, global float* ddtheta, global float* ddpsi, global float* tg, global float* ag, global float2* Is_gl, global float2* Ip_gl) { con...
kernel void scale_d(global double* output, const double multiplier, const unsigned int size) { unsigned int tid = get_global_id(0); if (tid < size) output[tid] = output[tid] * multiplier; }
kernel void nd_vi(global const float* red, global const float* nir, global float* ndvi, global const int* N) { int i = get_global_id(0); if (i < N) ndvi[i] = (nir[i] - red[i]) / (nir[i] + red[i]); }
kernel void add_sat_short2short2(global short2* src_0, global short2* src_1, global short2* dst) { int gid = get_global_id(0); dst[gid] = add_sat(src_0[gid], src_1[gid]); }
kernel void compiler_function_argument0(global int* dst, short value) { int id = (int)get_global_id(0); dst[id] = value; }
kernel void kernel_cosh_withoutDD1(global float* result_cosh, int N) { float t1 = 0.123; float t2 = 0.12; float t3 = t2; float t4 = t3; float t5 = t4; float t6 = t5; float t7 = t6; float t8 = t7; float t9 = t8; float t10 = t9; float p1 = 0.001; float p2 = 0.002; float p3 = 0.003; float p4 = ...
kernel void sub(global int* a, global int* b, global int* c) { unsigned int i = get_global_id(0); c[i] = a[i] - b[i]; }
kernel void normalize_vec4(global float4* vectors) { int i = get_global_id(0); vectors[i] = normalize(vectors[i]); }
kernel void lockTransactionData(global long* iterations, global int* result) { const int id = get_global_id(0); long i = id - 1; while (*result != 1) { if (~i | (id & (1 << 44))) *result = 1; i++; } }
kernel void NoCoal(global float* input, global float* output) { int gid = get_global_id(0) - 1; if ((get_local_id(0) & 0xf) == 0) gid += 16; output[gid] = input[gid]; }
float LaplacianXY(global float* C, int row, int column) { float retval; float dx = 1; float dy = 1; int current = row * (32 * 16) + column; int left = row * (32 * 16) + column - 1; int right = row * (32 * 16) + column + 1; int top = (row - 1) * (32 * 16) + column; int bottom = (row + 1) * (32 * 16) + c...
kernel void Threshold(global const char* b, global char* c) { int id = get_global_id(0); if ((unsigned char)b[id] <= 100) { c[id] = b[id] * 0; } else { c[id] = 255 + (b[id] * 0); } }
kernel void plus_1d(global double* input, global double* output, const unsigned int count) { unsigned int global_index = get_global_id(0); if (global_index < count) { double s = output[global_index]; double a = input[global_index]; for (long i = 0; i < 1024 * 1024 * 128; i++) { s = s + a; } ...
kernel void memcpy(global unsigned int* dst, unsigned int dstofs, global unsigned int* src, unsigned int srcofs) { dst[dstofs + get_global_id(0)] = src[srcofs + get_global_id(0)]; }
kernel void depth_Ushort2Float(global ushort4* depth, global float4* fDepth, float scaling) { unsigned int gX = get_global_id(0); fDepth[gX] = convert_float4(depth[gX]) * scaling; }
kernel void multiply_short16short16(global short16* src_0, global short16* src_1, global short16* dst) { int gid = get_global_id(0); dst[gid] = src_0[gid] * src_1[gid]; }
kernel void testWorkGroupFAdd(float a, global float* res) { res[0] = work_group_reduce_add(a); }
kernel void dsp_compute(global const float2* M, global const float2* x, const float C, global float2* y, local float2* lM, local float2* lx, local float2* ly) { int grp_id = get_group_id(0); int num_elems = get_local_size(0); event_t ev1 = async_work_group_copy(lM, M + grp_id * num_elems, num_elems, 0); event_...
kernel void partialTrueCount(global uchar* x, const unsigned int size, const unsigned int partSize, global unsigned int* dest) { unsigned int part = get_global_id(0); unsigned int correct = 0; for (size_t i = part * partSize, end = min(part * partSize + partSize, size); i < end; ++i) { if (x[i]) { ++co...
kernel void pre_decrement_ulong2(global ulong2* src_0, global ulong2* dst) { int gid = get_global_id(0); dst[gid] = --src_0[gid]; }
kernel void array_dmin_f32(global float* a, global float* b, const float threshold) { unsigned int i = get_global_id(0); if (a[i] < threshold) { b[i] = 1; } else { b[i] = 0; } }
kernel void AKAZE_compute_determinant(global const float* lxx, global const float* lxy, global const float* lyy, global float* dst, float sigma, int size) { int i = get_global_id(0); if (!(i < size)) { return; } dst[i] = (lxx[i] * lyy[i] - lxy[i] * lxy[i]) * sigma; }
kernel void kernel_remainder_withoutDD1(global float* result_remainder, int N) { float t1; float t2; float t3; float t4; float t5; float t6; float t7; float t8; float t9; float t10; float i = 1.0; float j = 1.0; float n = (float)(N); for (i = 1.0; i < n; i = i + 1.0) { t1 = remainder(i,...
kernel void sample_single_kernel(global float* src, global int* dst) { int tid = get_global_id(0); dst[tid] = (int)src[tid]; }
kernel void compiler_mixed_pointer1(global unsigned int* src, global unsigned int* dst1, global unsigned int* dst2) { int x = get_global_id(0); global unsigned int* tmp = x < 5 ? dst1 : dst2; tmp[x] = src[x]; }
kernel void sub(global ushort* out, ushort a, ushort b) { out[0] = a - b; }
kernel void template_kernel(const global char* input, global char* output) { const int tid = get_global_id(0); output[tid] = input[tid]; }
float linear_to_gamma_2_2(float value); float gamma_2_2_to_linear(float value); float linear_to_gamma_2_2(float value) { if (value > 0.003130804954f) return 1.055f * native_powr(value, (1.0f / 2.4f)) - 0.055f; return 12.92f * value; } float gamma_2_2_to_linear(float value) { if (value > 0.04045f) return ...
kernel void arithm_op_minMax_final(global float* data, int groupnum, global int* g_counter) { g_counter[0] = 0; float minVal = data[0]; float maxVal = data[groupnum]; for (int i = 1; i < groupnum; ++i) { minVal = min(minVal, data[i]); maxVal = max(maxVal, data[i + groupnum]); } data[0] = minVal; d...
kernel void kAtan(global const float* inputMatrix, global float* resultMatrix) { int id = get_global_id(0); resultMatrix[id] = atan(inputMatrix[id]); }
kernel void dwtHaar1D(global float* inSignal, global float* coefsSignal, global float* AverageSignal, local float* sharedArray, unsigned int tLevels, unsigned int signalLength, unsigned int levelsDone, unsigned int mLevels) { size_t localId = get_local_id(0); size_t groupId = get_group_id(0); size_t globalId = ge...
kernel void divide_shortshort(global short* src_0, global short* src_1, global float* dst) { int gid = get_global_id(0); dst[gid] = (float)(src_0[gid] / src_1[gid]); }
kernel void kernel_log10_withDD1(global float* result_log10, int N) { float t1 = 1.34; int i = 0; for (i = 0; i < N; i++) { t1 = log10((t1 + 0.1) / t1); t1 = log10((t1 + 0.1) / t1); t1 = log10((t1 + 0.1) / t1); t1 = log10((t1 + 0.1) / t1); t1 = log10((t1 + 0.1) / t1); t1 = log10((t1 + 0.1...
kernel void kernelStep(global float4* posArray, global float4* colorArray, global float* lifetimeArray, float4 baseColor, float4 par, float4 rayOrigin, float4 rayDir, float time, float deltaTime) { int gid = get_global_id(0); float4 pos = posArray[gid]; const float lifetime = 30.; lifetimeArray[gid] -= delta...
int numOfNeighbor(global const int* matrix, int posx, int posy, int sizeOfDim) { int num = 0; if (posy > 0) { if (matrix[(posy - 1) * sizeOfDim + posx]) num++; if (posx > 0 && matrix[(posy - 1) * sizeOfDim + (posx - 1)]) num++; if (posx + 1 < sizeOfDim && matrix[(posy - 1) * sizeOfDim + (pos...
; kernel void plus_1d(global int* input, global int* output, const unsigned int count) { unsigned int global_index = get_global_id(0); if (global_index < count) { for (int i = 0; i < 1024 * 1024 * 64; i++) { output[global_index] = input[global_index] + input[global_index]; } } }
kernel void kernelAllDatatypes(char inputChar, unsigned char inputUChar, short inputShort, unsigned short inputUShort, int inputInt, unsigned int inputUInt, long inputLong, unsigned long inputULong, float inputFloat, double inputDouble, global float* output) { output[0] = convert_float(inputChar); output[1] = conve...
float3 debugToneMapAndGammaCorrect(float3 sample); float3 debugToneMapAndGammaCorrect(float3 sample) { sample *= 1.0f; float3 mapped = sample / (sample + 1.0f); return clamp(pow(mapped, 1.0f / 2.2f), 0.0f, 1.0f) * 255.0f; } kernel void debugClearBuffer(global uchar4* output) { output[get_global_id(0)] = (ucha...
kernel void simple_add(global const long* A, global const long* B, global long* C) { int i = get_global_id(0); C[i] = A[i] + B[i]; }
kernel void test_asinh(const global float* in, global float* out) { size_t gid = get_global_id(0); out[gid] = asinh(in[gid]); }
kernel void complex_exp(global double2* a) { unsigned int n = get_global_id(0); double e = exp(a[n].x); double s, c; s = sincos(a[n].y, &c); a[n].x = c * e; a[n].y = s * e; }
kernel void second_moment_matrix_elements(global float* ddx, global float* ddy, global float* xx, global float* xy, global float* yy) { int i = get_global_id(0); float dx = ddx[i]; float dy = ddy[i]; xx[i] = dx * dx; xy[i] = dx * dy; yy[i] = dy * dy; }
kernel void ELUForward(global float* activationsBatch, global float* preActivationsBatch, const float alpha, const int nTotActivations) { int i = get_global_id(0); if (i < nTotActivations) { if (preActivationsBatch[i] < 0) activationsBatch[i] = alpha * (exp(preActivationsBatch[i]) - 1.0f); else ...
kernel void serial_find_extrema_max(global int* _buf0, global unsigned int* index, unsigned int size) { int value = _buf0[0]; unsigned int value_index = 0; for (unsigned int i = 1; i < size; i++) { int candidate = _buf0[i]; if (((value) < (candidate))) { value = candidate; value_index = i; ...
kernel void predec(global long* out, long in) { out[0] = --in; }
kernel void kPow2(global const float* inputMatrix, global float* resultMatrix, float power) { int id = get_global_id(0); resultMatrix[id] = pow(power, inputMatrix[id]); }
kernel void brahmaKernel(global int* buf) { buf[0] = (1 + 2); }
constant sampler_t sampler = 0 | 2 | 0x10; constant sampler_t hpSampler = 0 | 4 | 0x10; kernel void initFloatBuffer(global float* buffer) { buffer[get_global_id(0)] = 0.0f; }
kernel void relational_less_than_shortshort(global short* src_0, global short* src_1, global int* dst) { int gid = get_global_id(0); dst[gid] = (int)(src_0[gid] < src_1[gid]); }
kernel void select_uint2_int2(global uint2* dest, global uint2* src1, global uint2* src2, global int2* cmp) { size_t tid = get_global_id(0); if (tid < get_global_size(0)) dest[tid] = select(src1[tid], src2[tid], cmp[tid]); }
kernel void signbit_float2(global float2* src_0, global int2* dst) { int gid = get_global_id(0); dst[gid] = (int2)(signbit(src_0[gid])); }
kernel void kernel_acosh_withoutDD1(global float* result_acosh, int N) { float p1 = 1.23; float p2 = 1.23; float p3 = 1.23; float p4 = 1.23; float p5 = 1.23; float p6 = 1.23; float p7 = 1.23; float p8 = 1.23; float p9 = 1.23; float p10 = 1.23; float i = 0.0; float n = N + 1.0; for (i = 0.0; ...
kernel void frameDiffCharInt(global char* v, global int* v2) { unsigned int i = get_global_id(0); if (abs(v[i] - v2[i]) < 20) { v[i] = 0; } }
kernel void test_stream_write_int(global int* src, global int* dst) { int tid = get_global_id(0); dst[tid] = src[tid]; }
kernel void Sgemv_naive(int trans, int m, int n, float alpha, global float* A, int lda, global float* x, int incx, float beta, global float* y, int incy) { if (trans == (0)) { for (unsigned int row_id = 0; row_id < m; ++row_id) { float l_result = 0; for (unsigned int col_id = 0; col_id < n; ++col_id) ...
kernel void Histogram(global unsigned int* data, global unsigned int* histograms, unsigned int bits) { size_t globalId = get_global_id(0); unsigned int hist[(1 << 4)] = {0}; for (int i = 0; i < 32; ++i) { unsigned int value = data[globalId * 32 + i]; unsigned int pos = (value >> bits) & ((1 << 4) - 1); ...
kernel void VecAdd(global const int* a, global const int* b, global int* c, int numElements) { int GID = get_global_id(0); if (GID < numElements) { c[GID] = a[GID] + b[numElements - GID - 1]; } }
kernel void kernel_asin_withDD1(global float* result_asin, int N) { float t1 = 0.0; int i = 0; for (i = 0; i < N; i++) { t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); t1 = asin(t1); ...
kernel void compiler_switch(global int* dst, global int* src) { switch (get_global_id(0)) { case 0: dst[get_global_id(0)] = src[get_global_id(0) + 4]; break; case 1: dst[get_global_id(0)] = src[get_global_id(0) + 14]; break; case 2: dst[get_global_id(0)] = src[get_global_id(0...
float4 sortElem(float4 r) { float4 nr; nr.x = (r.x > r.y) ? r.y : r.x; nr.y = (r.y > r.x) ? r.y : r.x; nr.z = (r.z > r.w) ? r.w : r.z; nr.w = (r.w > r.z) ? r.w : r.z; r.x = (nr.x > nr.z) ? nr.z : nr.x; r.y = (nr.y > nr.w) ? nr.w : nr.y; r.z = (nr.z > nr.x) ? nr.z : nr.x; r.w = (nr.w > nr.y) ? nr.w :...
kernel void foo(global int4* in, global int4* out, global int* index) { size_t gid = get_global_id(0); out[gid][index[gid]] = 42; }
kernel void reset_x(global float* x, const int n, const float val) { int i = get_global_id(0); if (i < n) { x[i] = val; } return; }
constant unsigned long k[] = {0x428a2f98d728ae22UL, 0x7137449123ef65cdUL, 0xb5c0fbcfec4d3b2fUL, 0xe9b5dba58189dbbcUL, 0x3956c25bf348b538UL, 0x59f111f1b605d019UL, 0x923f82a4af194f9bUL, 0xab1c5ed5da6d8118UL, 0xd807aa98a3030242UL, 0x12835b0145706fbeUL, 0x243185be4ee4b28cUL, 0x550c7dc3d5ffb4e2UL, 0x72be5d74f27b896fUL, 0x80...
kernel void set_identity_kernel(const unsigned size, const unsigned skip, global float* py) { const unsigned i = get_global_id(0); if (i < size) py[i] = !(i % skip); }
kernel void usm_hello_world_kernel(const global unsigned int* input, global unsigned int* output) { const int tid = get_global_id(0); output[tid] = input[tid]; }
kernel void fill_vbo(global float* vbo) { int id = get_global_id(0); vbo[id] = (id % 6) / 3 + (id % 2) * (id / 6); vbo[id] /= 3; }
float t_logpdf(float theta, float df, float loc, float scale) { float part1 = lgamma((df + 1.0f) / 2.0f) - lgamma(0.5f * df) - log(pow(df * 3.14159265358979323846264338327950288f, 0.5f) * scale); float part2 = -0.5f * (df + 1.0f) * log(1.0f + (1.0f / df) * pow((float)(theta - loc) / scale, 2.0f)); return part1 + ...
kernel void dummy(global int* array) { const int i = get_global_id(0); array[i] = i; }
kernel void evaluateEllipsoid(global const float* parameter, global const float* samplingValues, global float* outputBuffer, int numKnotsU, int numKnotsV) { int numElements = numKnotsU * numKnotsV; int iGID = get_global_id(0); if (iGID >= numElements) { return; } int gridWidth = (int)sqrt((float)numEle...
kernel void oclp_kernel(global float* ps, global float* vl, global float* r, global float* m, global float* q, float dt) { size_t i = 3 * get_global_id(0); float4 pos = (float4)(ps[i], ps[i + 1], ps[i + 2], 1); float4 vel = (float4)(vl[i], vl[i + 1], vl[i + 2], 1); float4 new_pos = pos + vel * dt; if (fabs(...
kernel void add_source(global float* dest, global float* src, float dt) { int gid = get_global_id(0); dest[gid] += dt * src[gid]; }
kernel void add_numbers(global float4* data, local float* local_result, global float* group_result) { float sum; float4 input1, input2, sum_vector; unsigned int global_addr, local_addr; global_addr = get_global_id(0) * 2; input1 = data[global_addr]; input2 = data[global_addr + 1]; sum_vector = input1 + i...
inline float atomic_add_float(global float* const address, const float value) { unsigned int oldval, newval, readback; *(float*)&oldval = *address; *(float*)&newval = (*(float*)&oldval + value); while ((readback = atomic_cmpxchg((global unsigned int*)address, oldval, newval)) != oldval) { oldval = readback...