Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,843
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     204,467
Calibration 2     193,662
Calibration 3     192,339
ssj_ops@calibrated=193,000
100% 99.4% 193,000 191,843
90% 89.6% 173,700 172,962
80% 79.4% 154,400 153,326
70% 70.3% 135,100 135,620
60% 59.8% 115,800 115,373
50% 50.3% 96,500 97,044
40% 39.8% 77,200 76,784
30% 30.1% 57,900 58,004
20% 19.9% 38,600 38,409
10% 9.9% 19,300 19,185
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 14,872,473 1,494
Payment 14,872,473
Order Status 1,487,248
Delivery 1,487,246
Stock Level 1,487,246
Customer Report 14,872,473
Calibration 2 New Order 14,086,342 1,494
Payment 14,086,337
Order Status 1,408,633
Delivery 1,408,634
Stock Level 1,408,634
Customer Report 14,086,341
Calibration 3 New Order 13,988,728 1,494
Payment 13,988,727
Order Status 1,398,873
Delivery 1,398,874
Stock Level 1,398,872
Customer Report 13,988,724
100% 99.4% New Order 13,952,890 1,494
Payment 13,952,892
Order Status 1,395,289
Delivery 1,395,289
Stock Level 1,395,290
Customer Report 13,952,884
90% 89.6% New Order 12,579,586 1,494
Payment 12,579,588
Order Status 1,257,960
Delivery 1,257,959
Stock Level 1,257,959
Customer Report 12,579,587
80% 79.4% New Order 11,151,456 1,494
Payment 11,151,453
Order Status 1,115,145
Delivery 1,115,146
Stock Level 1,115,145
Customer Report 11,151,464
70% 70.3% New Order 9,863,442 1,494
Payment 9,863,442
Order Status 986,343
Delivery 986,345
Stock Level 986,344
Customer Report 9,863,446
60% 59.8% New Order 8,390,951 1,494
Payment 8,390,953
Order Status 839,095
Delivery 839,097
Stock Level 839,096
Customer Report 8,390,951
50% 50.3% New Order 7,058,439 1,494
Payment 7,058,442
Order Status 705,845
Delivery 705,844
Stock Level 705,844
Customer Report 7,058,439
40% 39.8% New Order 5,584,405 1,494
Payment 5,584,404
Order Status 558,441
Delivery 558,440
Stock Level 558,440
Customer Report 5,584,401
30% 30.1% New Order 4,218,660 1,494
Payment 4,218,657
Order Status 421,866
Delivery 421,865
Stock Level 421,864
Customer Report 4,218,659
20% 19.9% New Order 2,793,538 1,494
Payment 2,793,542
Order Status 279,354
Delivery 279,354
Stock Level 279,355
Customer Report 2,793,543
10% 9.9% New Order 1,395,324 1,494
Payment 1,395,327
Order Status 139,533
Delivery 139,534
Stock Level 139,532
Customer Report 1,395,325
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0