Remove outdated MemBench stuff

cuburn/code/iter.py

@@ -240,49 +240,3 @@ def render(features, cps):
     abuf = cuda.from_device_like(obufd, abuf)
     return abuf, dbuf
 
-
-
-# TODO: find a better place to stick this code
-class MemBench(HunkOCode):
-    decls = """
-__shared__ uint32_t coord[512];
-"""
-
-    defs_tmpl = Template("""
-__global__
-void iter{{W}}(mwc_st *mwcs, uint32_t *buf) {
-    mwc_st rctx = mwcs[gtid()];
-
-    int mask = (1 << {{W}}) - 1;
-    int smoff = threadIdx.x >> {{W}};
-    int writer = (threadIdx.x & mask) == 0;
-
-    for (int i = 0; i < 1024 * 32; i++) {
-        if (writer)
-            coord[smoff] = mwc_next(&rctx) & 0x7ffffff; // 512MB / 4 bytes
-        __syncthreads();
-        uint32_t *dst = buf + (coord[smoff] + (threadIdx.x & mask));
-        uint32_t val = mwc_next(&rctx);
-        asm("st.global.u32  [%0],   %1;" :: "l"(dst), "r"(val));
-    }
-}
-""")
-
-    @property
-    def defs(self):
-        return '\n'.join([self.defs_tmpl.substitute(W=w) for w in range(8)])
-
-def membench():
-    code = assemble_code(BaseCode, mwc.MWC, MemBench())
-    mod = SourceModule(code)
-
-    buf = cuda.mem_alloc(512 << 20)
-    seeds = mwc.MWC.make_seeds(512 * 21)
-
-    for w in range(8):
-        fun = mod.get_function('iter%d' % w)
-        print 'Launching with W=%d' % w
-        t = fun(cuda.In(seeds), buf,
-                block=(512, 1, 1), grid=(21, 1), time_kernel=True)
-        print 'Completed in %g' % t
-