Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,229
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     205,955
Calibration 2     206,211
Calibration 3     206,496
ssj_ops@calibrated=206,354
100% 99.9% 206,354 206,229
90% 89.4% 185,718 184,432
80% 79.6% 165,083 164,313
70% 70.7% 144,448 145,815
60% 60.4% 123,812 124,550
50% 50.3% 103,177 103,803
40% 40.1% 82,541 82,697
30% 30.1% 61,906 62,122
20% 19.8% 41,271 40,933
10% 10.1% 20,635 20,798
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,982,254 1,494
Payment 14,982,255
Order Status 1,498,226
Delivery 1,498,226
Stock Level 1,498,226
Customer Report 14,982,248
Calibration 2 New Order 14,999,601 1,494
Payment 14,999,595
Order Status 1,499,960
Delivery 1,499,961
Stock Level 1,499,961
Customer Report 14,999,597
Calibration 3 New Order 15,019,494 1,494
Payment 15,019,496
Order Status 1,501,949
Delivery 1,501,950
Stock Level 1,501,949
Customer Report 15,019,496
100% 99.9% New Order 14,999,422 1,494
Payment 14,999,425
Order Status 1,499,942
Delivery 1,499,942
Stock Level 1,499,942
Customer Report 14,999,427
90% 89.4% New Order 13,413,685 1,494
Payment 13,413,689
Order Status 1,341,368
Delivery 1,341,368
Stock Level 1,341,368
Customer Report 13,413,689
80% 79.6% New Order 11,951,483 1,494
Payment 11,951,490
Order Status 1,195,147
Delivery 1,195,150
Stock Level 1,195,148
Customer Report 11,951,490
70% 70.7% New Order 10,604,846 1,494
Payment 10,604,849
Order Status 1,060,485
Delivery 1,060,486
Stock Level 1,060,485
Customer Report 10,604,849
60% 60.4% New Order 9,058,486 1,494
Payment 9,058,486
Order Status 905,849
Delivery 905,847
Stock Level 905,847
Customer Report 9,058,485
50% 50.3% New Order 7,549,591 1,494
Payment 7,549,592
Order Status 754,959
Delivery 754,959
Stock Level 754,959
Customer Report 7,549,594
40% 40.1% New Order 6,014,547 1,494
Payment 6,014,548
Order Status 601,455
Delivery 601,455
Stock Level 601,454
Customer Report 6,014,542
30% 30.1% New Order 4,518,183 1,494
Payment 4,518,183
Order Status 451,817
Delivery 451,817
Stock Level 451,818
Customer Report 4,518,182
20% 19.8% New Order 2,976,968 1,494
Payment 2,976,966
Order Status 297,696
Delivery 297,697
Stock Level 297,698
Customer Report 2,976,975
10% 10.1% New Order 1,512,626 1,494
Payment 1,512,628
Order Status 151,264
Delivery 151,264
Stock Level 151,263
Customer Report 1,512,628
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0