mirror of
https://github.com/xmrig/xmrig.git
synced 2024-11-18 18:11:05 +00:00
Restored all cn/2 based algorithms, except cn/r.
This commit is contained in:
XMRig
parent
235cda1051
commit
9b6ab55936
5 changed files with 1228 additions and 1676 deletions
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@ -57,7 +57,7 @@ xmrig::OclThread::OclThread(const rapidjson::Value &value)
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m_intensity = Json::getUint(value, kIntensity);
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m_worksize = Json::getUint(value, kWorksize);
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m_affinity = Json::getInt64(value, kAffinity, -1);
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m_memChunk = std::max(Json::getUint(value, kMemChunk, m_memChunk), 18u);
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m_memChunk = std::min(Json::getUint(value, kMemChunk, m_memChunk), 18u);
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m_compMode = Json::getBool(value, kCompMode, m_compMode);
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setUnrollFactor(Json::getUint(value, kUnroll, m_unrollFactor));
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@ -503,9 +503,15 @@ __kernel void cn1(__global ulong *input, __global uint4 *Scratchpad, __global ul
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c = AES_Round(AES0, AES1, AES2, AES3, c, ((uint4 *)a)[0]);
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{
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# if (ALGO == ALGO_CN_RWZ)
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(3));
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(1));
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# else
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1));
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
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# endif
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
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@ -544,9 +550,15 @@ __kernel void cn1(__global ulong *input, __global uint4 *Scratchpad, __global ul
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t ^= chunk2;
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
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# if (ALGO == ALGO_CN_RWZ)
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk1 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk3 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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# else
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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# endif
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}
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a[1] += t.s1;
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@ -1,480 +0,0 @@
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R"===(
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__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
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__kernel void cn1_v2_rwz(__global uint4 *Scratchpad, __global ulong *states, uint variant, __global ulong *input, uint Threads)
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{
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# if (ALGO == CRYPTONIGHT)
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ulong a[2], b[4];
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__local uint AES0[256], AES1[256], AES2[256], AES3[256];
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const ulong gIdx = getIdx();
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for(int i = get_local_id(0); i < 256; i += WORKSIZE)
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{
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const uint tmp = AES0_C[i];
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AES0[i] = tmp;
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AES1[i] = rotate(tmp, 8U);
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AES2[i] = rotate(tmp, 16U);
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AES3[i] = rotate(tmp, 24U);
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}
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barrier(CLK_LOCAL_MEM_FENCE);
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# if (COMP_MODE == 1)
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// do not use early return here
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if (gIdx < Threads)
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# endif
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{
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states += 25 * gIdx;
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# if defined(__NV_CL_C_VERSION)
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Scratchpad += gIdx * (0x40000 >> 2);
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# else
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# if (STRIDED_INDEX == 0)
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Scratchpad += gIdx * (MEMORY >> 4);
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# elif (STRIDED_INDEX == 1)
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Scratchpad += gIdx;
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# elif (STRIDED_INDEX == 2)
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Scratchpad += get_group_id(0) * (MEMORY >> 4) * WORKSIZE + MEM_CHUNK * get_local_id(0);
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# endif
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# endif
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a[0] = states[0] ^ states[4];
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a[1] = states[1] ^ states[5];
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b[0] = states[2] ^ states[6];
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b[1] = states[3] ^ states[7];
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b[2] = states[8] ^ states[10];
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b[3] = states[9] ^ states[11];
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}
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ulong2 bx0 = ((ulong2 *)b)[0];
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ulong2 bx1 = ((ulong2 *)b)[1];
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mem_fence(CLK_LOCAL_MEM_FENCE);
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# ifdef __NV_CL_C_VERSION
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__local uint16 scratchpad_line_buf[WORKSIZE];
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__local uint16* scratchpad_line = scratchpad_line_buf + get_local_id(0);
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# define SCRATCHPAD_CHUNK(N) (*(__local uint4*)((__local uchar*)(scratchpad_line) + (idx1 ^ (N << 4))))
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# else
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# if (STRIDED_INDEX == 0)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (idx ^ (N << 4))))
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# elif (STRIDED_INDEX == 1)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + mul24(as_uint(idx ^ (N << 4)), Threads)))
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# elif (STRIDED_INDEX == 2)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (((idx ^ (N << 4)) % (MEM_CHUNK << 4)) + ((idx ^ (N << 4)) / (MEM_CHUNK << 4)) * WORKSIZE * (MEM_CHUNK << 4))))
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# endif
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# endif
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# if (COMP_MODE == 1)
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// do not use early return here
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if (gIdx < Threads)
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# endif
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{
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uint2 division_result = as_uint2(states[12]);
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uint sqrt_result = as_uint2(states[13]).s0;
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#pragma unroll CN_UNROLL
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for(int i = 0; i < 0x60000; ++i)
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{
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# ifdef __NV_CL_C_VERSION
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uint idx = a[0] & 0x1FFFC0;
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uint idx1 = a[0] & 0x30;
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*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
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# else
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uint idx = a[0] & MASK;
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# endif
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uint4 c = SCRATCHPAD_CHUNK(0);
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c = AES_Round(AES0, AES1, AES2, AES3, c, ((uint4 *)a)[0]);
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{
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(3));
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(1));
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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}
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SCRATCHPAD_CHUNK(0) = as_uint4(bx0) ^ c;
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# ifdef __NV_CL_C_VERSION
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*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
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idx = as_ulong2(c).s0 & 0x1FFFC0;
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idx1 = as_ulong2(c).s0 & 0x30;
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*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
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# else
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idx = as_ulong2(c).s0 & MASK;
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# endif
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uint4 tmp = SCRATCHPAD_CHUNK(0);
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{
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tmp.s0 ^= division_result.s0;
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tmp.s1 ^= division_result.s1 ^ sqrt_result;
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division_result = fast_div_v2(as_ulong2(c).s1, (c.s0 + (sqrt_result << 1)) | 0x80000001UL);
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sqrt_result = fast_sqrt_v2(as_ulong2(c).s0 + as_ulong(division_result));
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}
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ulong2 t;
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t.s0 = mul_hi(as_ulong2(c).s0, as_ulong2(tmp).s0);
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t.s1 = as_ulong2(c).s0 * as_ulong2(tmp).s0;
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{
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1)) ^ t;
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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t ^= chunk2;
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk1 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk3 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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}
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a[1] += t.s1;
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a[0] += t.s0;
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SCRATCHPAD_CHUNK(0) = ((uint4 *)a)[0];
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# ifdef __NV_CL_C_VERSION
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*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
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# endif
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((uint4 *)a)[0] ^= tmp;
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bx1 = bx0;
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bx0 = as_ulong2(c);
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}
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# undef SCRATCHPAD_CHUNK
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}
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mem_fence(CLK_GLOBAL_MEM_FENCE);
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# endif
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}
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)==="
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R"===(
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__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
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__kernel void cn1_v2_zls(__global uint4 *Scratchpad, __global ulong *states, uint variant, __global ulong *input, uint Threads)
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{
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# if (ALGO == CRYPTONIGHT)
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ulong a[2], b[4];
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__local uint AES0[256], AES1[256], AES2[256], AES3[256];
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const ulong gIdx = getIdx();
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for(int i = get_local_id(0); i < 256; i += WORKSIZE)
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{
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const uint tmp = AES0_C[i];
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AES0[i] = tmp;
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AES1[i] = rotate(tmp, 8U);
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AES2[i] = rotate(tmp, 16U);
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AES3[i] = rotate(tmp, 24U);
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}
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barrier(CLK_LOCAL_MEM_FENCE);
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# if (COMP_MODE == 1)
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// do not use early return here
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if (gIdx < Threads)
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# endif
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{
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states += 25 * gIdx;
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# if defined(__NV_CL_C_VERSION)
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Scratchpad += gIdx * (0x60000 >> 2);
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# else
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# if (STRIDED_INDEX == 0)
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Scratchpad += gIdx * (MEMORY >> 4);
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# elif (STRIDED_INDEX == 1)
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Scratchpad += gIdx;
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# elif (STRIDED_INDEX == 2)
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Scratchpad += get_group_id(0) * (MEMORY >> 4) * WORKSIZE + MEM_CHUNK * get_local_id(0);
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# endif
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# endif
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a[0] = states[0] ^ states[4];
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a[1] = states[1] ^ states[5];
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b[0] = states[2] ^ states[6];
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b[1] = states[3] ^ states[7];
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b[2] = states[8] ^ states[10];
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b[3] = states[9] ^ states[11];
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}
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ulong2 bx0 = ((ulong2 *)b)[0];
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ulong2 bx1 = ((ulong2 *)b)[1];
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mem_fence(CLK_LOCAL_MEM_FENCE);
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# ifdef __NV_CL_C_VERSION
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__local uint16 scratchpad_line_buf[WORKSIZE];
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__local uint16* scratchpad_line = scratchpad_line_buf + get_local_id(0);
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# define SCRATCHPAD_CHUNK(N) (*(__local uint4*)((__local uchar*)(scratchpad_line) + (idx1 ^ (N << 4))))
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# else
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# if (STRIDED_INDEX == 0)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (idx ^ (N << 4))))
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# elif (STRIDED_INDEX == 1)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + mul24(as_uint(idx ^ (N << 4)), Threads)))
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# elif (STRIDED_INDEX == 2)
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# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (((idx ^ (N << 4)) % (MEM_CHUNK << 4)) + ((idx ^ (N << 4)) / (MEM_CHUNK << 4)) * WORKSIZE * (MEM_CHUNK << 4))))
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# endif
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# endif
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# if (COMP_MODE == 1)
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// do not use early return here
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if (gIdx < Threads)
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# endif
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{
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uint2 division_result = as_uint2(states[12]);
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uint sqrt_result = as_uint2(states[13]).s0;
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#pragma unroll CN_UNROLL
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for(int i = 0; i < 0x60000; ++i)
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{
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# ifdef __NV_CL_C_VERSION
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uint idx = a[0] & 0x1FFFC0;
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uint idx1 = a[0] & 0x30;
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*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
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# else
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uint idx = a[0] & MASK;
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# endif
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uint4 c = SCRATCHPAD_CHUNK(0);
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c = AES_Round(AES0, AES1, AES2, AES3, c, ((uint4 *)a)[0]);
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{
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1));
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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}
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SCRATCHPAD_CHUNK(0) = as_uint4(bx0) ^ c;
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# ifdef __NV_CL_C_VERSION
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*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
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idx = as_ulong2(c).s0 & 0x1FFFC0;
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idx1 = as_ulong2(c).s0 & 0x30;
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*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
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# else
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idx = as_ulong2(c).s0 & MASK;
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# endif
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uint4 tmp = SCRATCHPAD_CHUNK(0);
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{
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tmp.s0 ^= division_result.s0;
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tmp.s1 ^= division_result.s1 ^ sqrt_result;
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division_result = fast_div_v2(as_ulong2(c).s1, (c.s0 + (sqrt_result << 1)) | 0x80000001UL);
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sqrt_result = fast_sqrt_v2(as_ulong2(c).s0 + as_ulong(division_result));
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}
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ulong2 t;
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t.s0 = mul_hi(as_ulong2(c).s0, as_ulong2(tmp).s0);
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t.s1 = as_ulong2(c).s0 * as_ulong2(tmp).s0;
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{
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const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1)) ^ t;
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const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
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t ^= chunk2;
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const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
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SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
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SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
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SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
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}
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a[1] += t.s1;
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a[0] += t.s0;
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SCRATCHPAD_CHUNK(0) = ((uint4 *)a)[0];
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# ifdef __NV_CL_C_VERSION
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*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
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# endif
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((uint4 *)a)[0] ^= tmp;
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bx1 = bx0;
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bx0 = as_ulong2(c);
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}
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# undef SCRATCHPAD_CHUNK
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}
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mem_fence(CLK_GLOBAL_MEM_FENCE);
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# endif
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}
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)==="
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R"===(
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__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
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__kernel void cn1_v2_double(__global uint4 *Scratchpad, __global ulong *states, uint variant, __global ulong *input, uint Threads)
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{
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# if (ALGO == CRYPTONIGHT)
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ulong a[2], b[4];
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__local uint AES0[256], AES1[256], AES2[256], AES3[256];
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const ulong gIdx = getIdx();
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for(int i = get_local_id(0); i < 256; i += WORKSIZE)
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{
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const uint tmp = AES0_C[i];
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AES0[i] = tmp;
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AES1[i] = rotate(tmp, 8U);
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AES2[i] = rotate(tmp, 16U);
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AES3[i] = rotate(tmp, 24U);
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}
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barrier(CLK_LOCAL_MEM_FENCE);
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# if (COMP_MODE == 1)
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// do not use early return here
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if (gIdx < Threads)
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# endif
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{
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states += 25 * gIdx;
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# if defined(__NV_CL_C_VERSION)
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Scratchpad += gIdx * (0x100000 >> 2);
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# else
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# if (STRIDED_INDEX == 0)
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Scratchpad += gIdx * (MEMORY >> 4);
|
||||
# elif (STRIDED_INDEX == 1)
|
||||
Scratchpad += gIdx;
|
||||
# elif (STRIDED_INDEX == 2)
|
||||
Scratchpad += get_group_id(0) * (MEMORY >> 4) * WORKSIZE + MEM_CHUNK * get_local_id(0);
|
||||
# endif
|
||||
# endif
|
||||
|
||||
a[0] = states[0] ^ states[4];
|
||||
a[1] = states[1] ^ states[5];
|
||||
|
||||
b[0] = states[2] ^ states[6];
|
||||
b[1] = states[3] ^ states[7];
|
||||
b[2] = states[8] ^ states[10];
|
||||
b[3] = states[9] ^ states[11];
|
||||
}
|
||||
|
||||
ulong2 bx0 = ((ulong2 *)b)[0];
|
||||
ulong2 bx1 = ((ulong2 *)b)[1];
|
||||
|
||||
mem_fence(CLK_LOCAL_MEM_FENCE);
|
||||
|
||||
# ifdef __NV_CL_C_VERSION
|
||||
__local uint16 scratchpad_line_buf[WORKSIZE];
|
||||
__local uint16* scratchpad_line = scratchpad_line_buf + get_local_id(0);
|
||||
# define SCRATCHPAD_CHUNK(N) (*(__local uint4*)((__local uchar*)(scratchpad_line) + (idx1 ^ (N << 4))))
|
||||
# else
|
||||
# if (STRIDED_INDEX == 0)
|
||||
# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (idx ^ (N << 4))))
|
||||
# elif (STRIDED_INDEX == 1)
|
||||
# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + mul24(as_uint(idx ^ (N << 4)), Threads)))
|
||||
# elif (STRIDED_INDEX == 2)
|
||||
# define SCRATCHPAD_CHUNK(N) (*(__global uint4*)((__global uchar*)(Scratchpad) + (((idx ^ (N << 4)) % (MEM_CHUNK << 4)) + ((idx ^ (N << 4)) / (MEM_CHUNK << 4)) * WORKSIZE * (MEM_CHUNK << 4))))
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# if (COMP_MODE == 1)
|
||||
// do not use early return here
|
||||
if (gIdx < Threads)
|
||||
# endif
|
||||
{
|
||||
uint2 division_result = as_uint2(states[12]);
|
||||
uint sqrt_result = as_uint2(states[13]).s0;
|
||||
|
||||
#pragma unroll CN_UNROLL
|
||||
for(int i = 0; i < 0x100000; ++i)
|
||||
{
|
||||
# ifdef __NV_CL_C_VERSION
|
||||
uint idx = a[0] & 0x1FFFC0;
|
||||
uint idx1 = a[0] & 0x30;
|
||||
|
||||
*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
|
||||
# else
|
||||
uint idx = a[0] & MASK;
|
||||
# endif
|
||||
|
||||
uint4 c = SCRATCHPAD_CHUNK(0);
|
||||
c = AES_Round(AES0, AES1, AES2, AES3, c, ((uint4 *)a)[0]);
|
||||
|
||||
{
|
||||
const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1));
|
||||
const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
|
||||
const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
|
||||
|
||||
SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
|
||||
SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
|
||||
SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
|
||||
}
|
||||
|
||||
SCRATCHPAD_CHUNK(0) = as_uint4(bx0) ^ c;
|
||||
|
||||
# ifdef __NV_CL_C_VERSION
|
||||
*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
|
||||
|
||||
idx = as_ulong2(c).s0 & 0x1FFFC0;
|
||||
idx1 = as_ulong2(c).s0 & 0x30;
|
||||
|
||||
*scratchpad_line = *(__global uint16*)((__global uchar*)(Scratchpad) + idx);
|
||||
# else
|
||||
idx = as_ulong2(c).s0 & MASK;
|
||||
# endif
|
||||
|
||||
uint4 tmp = SCRATCHPAD_CHUNK(0);
|
||||
|
||||
{
|
||||
tmp.s0 ^= division_result.s0;
|
||||
tmp.s1 ^= division_result.s1 ^ sqrt_result;
|
||||
|
||||
division_result = fast_div_v2(as_ulong2(c).s1, (c.s0 + (sqrt_result << 1)) | 0x80000001UL);
|
||||
sqrt_result = fast_sqrt_v2(as_ulong2(c).s0 + as_ulong(division_result));
|
||||
}
|
||||
|
||||
ulong2 t;
|
||||
t.s0 = mul_hi(as_ulong2(c).s0, as_ulong2(tmp).s0);
|
||||
t.s1 = as_ulong2(c).s0 * as_ulong2(tmp).s0;
|
||||
{
|
||||
const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(1)) ^ t;
|
||||
const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
|
||||
t ^= chunk2;
|
||||
const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));
|
||||
|
||||
SCRATCHPAD_CHUNK(1) = as_uint4(chunk3 + bx1);
|
||||
SCRATCHPAD_CHUNK(2) = as_uint4(chunk1 + bx0);
|
||||
SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
|
||||
}
|
||||
|
||||
a[1] += t.s1;
|
||||
a[0] += t.s0;
|
||||
|
||||
SCRATCHPAD_CHUNK(0) = ((uint4 *)a)[0];
|
||||
|
||||
# ifdef __NV_CL_C_VERSION
|
||||
*(__global uint16*)((__global uchar*)(Scratchpad) + idx) = *scratchpad_line;
|
||||
# endif
|
||||
|
||||
((uint4 *)a)[0] ^= tmp;
|
||||
bx1 = bx0;
|
||||
bx0 = as_ulong2(c);
|
||||
}
|
||||
|
||||
# undef SCRATCHPAD_CHUNK
|
||||
}
|
||||
mem_fence(CLK_GLOBAL_MEM_FENCE);
|
||||
# endif
|
||||
}
|
||||
|
||||
)==="
|
||||
File diff suppressed because it is too large
Load diff
|
|
@ -2,6 +2,7 @@
|
|||
* @author SChernykh
|
||||
*/
|
||||
|
||||
#if (ALGO_BASE == ALGO_CN_2)
|
||||
inline uint get_reciprocal(uint a)
|
||||
{
|
||||
const float a_hi = as_float((a >> 8) + ((126U + 31U) << 23));
|
||||
|
|
@ -52,3 +53,4 @@ inline uint fast_sqrt_v2(const ulong n1)
|
|||
|
||||
return result;
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue