Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,368
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     202,686
Calibration 2     194,870
Calibration 3     193,661
ssj_ops@calibrated=194,266
100% 100.1% 194,266 194,368
90% 90.9% 174,839 176,492
80% 79.6% 155,413 154,690
70% 69.5% 135,986 135,011
60% 60.8% 116,559 118,155
50% 50.3% 97,133 97,746
40% 39.6% 77,706 76,966
30% 30.1% 58,280 58,391
20% 19.8% 38,853 38,425
10% 9.9% 19,427 19,207
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 14,743,683 1,494
Payment 14,743,682
Order Status 1,474,368
Delivery 1,474,368
Stock Level 1,474,368
Customer Report 14,743,684
Calibration 2 New Order 14,173,916 1,494
Payment 14,173,912
Order Status 1,417,392
Delivery 1,417,391
Stock Level 1,417,390
Customer Report 14,173,914
Calibration 3 New Order 14,085,100 1,494
Payment 14,085,092
Order Status 1,408,510
Delivery 1,408,510
Stock Level 1,408,509
Customer Report 14,085,090
100% 100.1% New Order 14,137,422 1,494
Payment 14,137,420
Order Status 1,413,742
Delivery 1,413,743
Stock Level 1,413,742
Customer Report 14,137,422
90% 90.9% New Order 12,836,362 1,494
Payment 12,836,365
Order Status 1,283,635
Delivery 1,283,637
Stock Level 1,283,637
Customer Report 12,836,362
80% 79.6% New Order 11,250,252 1,494
Payment 11,250,259
Order Status 1,125,025
Delivery 1,125,026
Stock Level 1,125,024
Customer Report 11,250,261
70% 69.5% New Order 9,819,135 1,494
Payment 9,819,134
Order Status 981,913
Delivery 981,915
Stock Level 981,914
Customer Report 9,819,131
60% 60.8% New Order 8,593,450 1,494
Payment 8,593,450
Order Status 859,345
Delivery 859,345
Stock Level 859,345
Customer Report 8,593,452
50% 50.3% New Order 7,109,272 1,494
Payment 7,109,270
Order Status 710,927
Delivery 710,926
Stock Level 710,927
Customer Report 7,109,265
40% 39.6% New Order 5,597,559 1,494
Payment 5,597,560
Order Status 559,756
Delivery 559,755
Stock Level 559,755
Customer Report 5,597,554
30% 30.1% New Order 4,246,658 1,494
Payment 4,246,656
Order Status 424,665
Delivery 424,667
Stock Level 424,666
Customer Report 4,246,656
20% 19.8% New Order 2,794,710 1,494
Payment 2,794,711
Order Status 279,473
Delivery 279,472
Stock Level 279,471
Customer Report 2,794,713
10% 9.9% New Order 1,396,914 1,494
Payment 1,396,911
Order Status 139,691
Delivery 139,690
Stock Level 139,692
Customer Report 1,396,916
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0